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Best Step Drill Bits - Buying Guide

Last Updated: 01/16/2020

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Bestselling Step Drill Bits on Amazon

  1. CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case
  2. Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4 to 1-3/8 | Total 10 Step Sizes
  3. Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes
  4. COMOWARE Step Drill Bit Set & Automatic Center Punch- Unibit, Titanium Coated, Double Cutting Blades...
  5. Neiko 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3-Piece Set | 31 Step Si...
  6. Step Drill Bit,Knoweasy 3pcs High Speed Steel Drill Bit for Metal Aluminium and Wood Drilling Hole
  7. Tacklife Step Drill Bit Set with & Automatic Center Punch,High Speed Steel |5+1 Pieces Drill Bit Set...
  8. COMOWARE Step Drill Bit - Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Dri...
  9. DEWALT Step Drill Bit Set, 7/8-Inch to 1-1/8-Inch (DWA1789IR)
  10. Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes

  #1

CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

Model: CO-Z SDB-0000   |    Mpn: CO-Z SDB-0000   |    Ean: 0640674583197   |    PartNumber: CO-Z SDB-0000   |   Asin: B0177PN6SI

Specifications Item Type: Step Drill Size: #1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') #2: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'') #3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") #4: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") #5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")" Features 1. Cobalt added reduces friction and lasts longer than those which does not contain cobalt bits. 2. High speed steel for longer service life. 3. Double cutting blades design enables a faster and smoother cutting. 4. Automatically deburrs holes while drilling 5. 3-sided shank prevents slip in drill chuck 6. Includes a protective aluminum case to make the drills not easy to dull. 7. The sharpness and titanium coating ensure easily cut through most sheet metal, plastic and of course wood and some other materials with ease. Package 5x Step Drill Bit Set 1x Aluminum Case.

Features

  • Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
  • Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • All the bits come in a well-organized case for easy transport and storage.
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Brand: CO-Z   |   Manufacturer: CO-Z

Item Dimensions: 6.1 x 1.57 x 4.33 inches (15.5 x 4.0 x 11.0 cm)   |   Package Dimensions: 1.9 x 5 x 6.4 inches (4.8 x 12.7 x 16.3 cm)

Amazon Price: $21.89 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $22.89

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  #2

Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4 to 1-3/8 | Total 10 Step Sizes

Model: 10194A   |    Mpn: 10194A   |    Ean: 7147905917071   |    PartNumber: 10194A   |   Asin: B000FZ2UOY

Neiko Tools U.S.A. Titanium Step Drill Bit 1/4" to 1-3/8" in 1/8" Increments, Two-Flute Design for Faster, Smoother Cutting, 3 Flatted 3/8" Shank, Heat Treated HSS with Titanium Nitride Coating, Self-starting - no walking and no center punch required, Perfect for clean holes in thin materials like steel, stainless steel, copper, aluminum or plastic

Features

  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • 135 SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • INCLUDES 10 STEP SIZES: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8
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Brand: Neiko   |   Manufacturer: Ridgerock Tools Inc.

Item Dimensions: 1.6 x 2.9 x 6.1 inches (4.1 x 7.4 x 15.5 cm)   |   Package Dimensions: 0.2 x 2.8 x 6.4 inches (0.5 x 7.1 x 16.3 cm)

Amazon Price: $9.96 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.96

Warranty: N/A

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  #3

Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes

Model: 10193A   |    Mpn: 10193A   |    Ean: 7535001254679   |    PartNumber: 10193A   |   Asin: B001OEPYWK

This compact set replaces 28 individual drill bits. 3pc Step Drill Bits. 1/8"- 1/2", 3/16"- 1/2", 1/4"- 3/4". Two-flute design for faster, smoother cutting. Package comes with one 3/16-inch to 1/2-inch six-step bit, titanium coated. One 1/4-inch to 3/4-inch nine-step bit, titanium coated.

Features

  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • 135 SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • SET INCLUDES: Bit #1 (6 steps): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2; Bit #2 (13 steps): 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2; Bit #3 (9 steps): 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4
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Brand: Neiko   |   Manufacturer: Ridgerock Tools Inc.

Item Dimensions: 1 x 4 x 6 inches (2.5 x 10.2 x 15.2 cm)   |   Package Dimensions: 0.5 x 3.3 x 5.8 inches (1.3 x 8.4 x 14.7 cm)

Amazon Price: $11.97 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.97

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  #4

COMOWARE Step Drill Bit Set & Automatic Center Punch- Unibit, Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bits Set of 5 pcs, Total 50 Sizes with Aluminum Case

 Ean: 0657419854719   |   Asin: B07DB6CG2Z

Features:

COMOWARE step drill bits can replace 50 individual drill bits. 118 degrees split point tip design provides faster and smoother cutting, increase the wear resistance. HSS along with titanium coating ensures the bits stay sharp for years, perfect to drill holes on steel/aluminum/plastic etc. A well-organized case provides users with easy storage and transport, truly a must-have for DIY lovers.



Package:

5 x Step Drill Bit Set

1 x Aluminum Case



Size Include:

#1: 3/16" to 1/2" 6 Steps (3/16", 1/4", 5/16", 3/8", 7/16", 1/2")

#2: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2")

#3: 1/4" to 3/4" 9 Steps (1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")

#4: 1/4" to 1-3/8" 10 Steps (1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")

#5: 3/16" to 7/8" 12 Steps (3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")




Notice:

Please keep cool and gentle using, the working life of the step drill bits can be largely prolonged by proper usage.

Features

  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Easy Organizing - A drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.
  • Set Includes - The drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market.
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Brand: COMOWARE   |   Manufacturer: COMOWARE

Package Dimensions: 2.1 x 6 x 7.2 inches (5.3 x 15.2 x 18.3 cm)

Amazon Price: $24.49 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $29.99

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  #5

Neiko 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3-Piece Set | 31 Step Sizes in One Kit

Model: 10181A   |    Mpn: 43219-22909   |    Ean: 0816914021617   |    PartNumber: 43219-22909   |   Asin: B07B4LCWC4

The Neiko Quick Change Titanium Spiral Grooved Step Drill Bit is constructed of HSS and titanium nitride coating. Features 3 step drill bits with the following corresponding sizes: 13 Step Drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 Step Drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 Step Drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)

Features

  • Constructed of industrial high speed steel with titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel and other types of sheet metal
  • Unibit split point tip accelerates cutting speed while preventing angled walking away from center line of bore
  • Two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting
  • Quick change 1/4-inch hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools
  • Assortment comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)
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Brand: Neiko   |   Manufacturer: Neiko

Package Dimensions: 0.4 x 3.6 x 6.2 inches (1.0 x 9.1 x 15.7 cm)

Amazon Price: $14.97 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $14.97

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  #6

Step Drill Bit,Knoweasy 3pcs High Speed Steel Drill Bit for Metal Aluminium and Wood Drilling Hole

Asin: B07PGHCTSM

Features

  • Notice: High-step design allows you to stop and don't drill big!
  • Improved Design: Two-fluted design provides faster,smoother cutting,provided with small pressure and the sets.
  • Hexagonal Shank : The hexagonal shank titanium drill uses a double-edged design to make cutting smoother and smoother;Increases cutting speed with self-centering and prevents walking.
  • Application: Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron sheet and many other types of sheet metal (excluding steel or any other harder metal).
  • After Sales Warranty: Your customer satisfaction and 12 months warranty of step drill bit can be guaranteed.
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Brand: knoweasy   |   Manufacturer: Knoweasy Electric CO.,lTD

Package Dimensions: 0.8 x 2.7 x 3.4 inches (2.0 x 6.9 x 8.6 cm)

Amazon Price: $9.99 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99 | Used Price: $9.19

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  #7

Tacklife Step Drill Bit Set with & Automatic Center Punch,High Speed Steel |5+1 Pieces Drill Bit Set| Total 50 Sizes, Double Cutting Blades, Aluminum Case Included - PDH06A

 Ean: 0709202821139   |    PartNumber: PDH06A   |   Asin: B0746FZT52

Features

  • 50 SIZES IN 5+1 - The step bit set includes five standard step drill bits that can replace 50 individual drill bits, let you process 50 different kinds of diameter holes with the five pieces; Extra center punch marks workpiece with a dimple, creating a starting point that prevents screws and drills from wandering
  • HSS & TITANIUM COATING - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets aluminum sheets copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean
  • AUTOMATIC CENTER PUNCH & PROTECTIVE ALUMINUM CASE - Delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; The carbide tipped bit makes the center punch 10 times stronger than normal one; Protective aluminum case makes the drills not easy to dull
  • DOUBLE CUTTING BLADES & THREE-SIDED SHANK - Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces
  • WHAT YOU GET - Tacklife Step Drill,Automatic Center Punch, Aluminum Case, User's Manual, After-sales Service Card
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Brand: TACKLIFE   |   Manufacturer: TACKLIFE

Item Dimensions: 5.91 x 1.89 x 6.3 inches (15.0 x 4.8 x 16.0 cm)   |   Package Dimensions: 1.9 x 5.7 x 6.4 inches (4.8 x 14.5 x 16.3 cm)

Amazon Price: $21.97 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $29.97

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  #8

COMOWARE Step Drill Bit - Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes

 Ean: 8431227855791   |   Asin: B07PPRDBM5

Features:

COMOWARE step drill bits can replace 10 individual drill bits. 118 degrees split point tip design provides faster and smoother cutting, increase the wear resistance. HSS along with titanium coating ensures the bits stay sharp for years, perfect to drill holes on plastic/ wood/ plank/ soft rubber with low hardness.

Package:

1 x Step Drill Bit

Size Include: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"

Notice:

Please keep cool and gentle using, the working life of the step drill bits can be largely prolonged by proper usage.

Features

  • HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
  • Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
  • Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
  • Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • Size Includes - One drill with 10 steps: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8 can fit the majority of brands currently on the market.
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Brand: COMOWARE   |   Manufacturer: COMOWARE

Package Dimensions: 0.8 x 2.9 x 6.4 inches (2.0 x 7.4 x 16.3 cm)

Amazon Price: $9.99 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #9

DEWALT Step Drill Bit Set, 7/8-Inch to 1-1/8-Inch (DWA1789IR)

Model: DWA1789IR   |    Mpn: DWA1789IR   |    Ean: 7466655911390   |    PartNumber: DWA1789IR   |   Asin: B0090IHBQE

The DEWALT DWA1789IR 7/8-Inch-1-1/8-Inch impact ready step drill bit has a split point tip that increases speed. Its laser engraved numbers increase step visibility and while optimized for impact driver usage, this bit does work with rotary drills.

Features

  • Titanium two flute spiral design provides longer life and better chip removal
  • Split point tip increases speed
  • Laser engraved numbers increases step visibility
  • Optimized for impact driver usage
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Brand: DEWALT   |   Manufacturer: Dewalt

Item Dimensions: 1.13 x 2.88 x 6 inches (2.9 x 7.3 x 15.2 cm)   |   Package Dimensions: 0.4 x 3 x 5.9 inches (1.0 x 7.6 x 15.0 cm)

Amazon Price: $34.99 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $95.30

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  #10

Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes

Model: 10197A   |    Mpn: 10197A   |    Ean: 0785533890655   |    PartNumber: 10197A   |   Asin: B002GQ5AKG

Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes

Features

  • Classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • 135 split point and two flute design increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily
  • Tri flatted shank fits into power tools chuck securely and eliminates slip
  • Set includes a sturdy blow molded organizing case for secure storage and easy carrying
  • Set includes: Drill Bit #1 (10 step sizes): 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8; Drill Bit #2 (12 step sizes): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8; Drill Bit #3 (9 steps): 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4; Drill Bit #4 (13 steps): 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2; Drill Bit #5 (6 steps): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2
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Brand: Neiko   |   Manufacturer: Grace Marketing- HI

Item Dimensions: 1 x 6 x 10 inches (2.5 x 15.2 x 25.4 cm)   |   Package Dimensions: 1.7 x 4.8 x 8.1 inches (4.3 x 12.2 x 20.6 cm)

Amazon Price: $19.97 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.97

Warranty: N/A

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  #11

Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch

Model: KTSB15   |    Mpn: KTSB15   |    Ean: 0092644591150   |    PartNumber: KTSB15   |   Asin: B0171X0S0A

No need to worry about losing your tools in the dark again with Klein Tools' Hi-Viz 1/4'' (6 mm) Cabinet-Tip Screwdriver. The glow-in-the-dark handle can stay illuminated for up to 30 minutes! Plus, it charges in direct sunlight or artificial lighting.

Features

  • Two flutes cut faster and keep bit cooler
  • Fast-starting, non-walking drill tip
  • High-visibility silver targets for primary hole sizes
  • Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip
  • 3 hole sizes
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Brand: Klein Tools   |   Manufacturer: North Coast Electric

Item Dimensions: 0.7 x 3.4 x 5.2 inches (1.8 x 8.6 x 13.2 cm)   |   Package Dimensions: 0.8 x 3.3 x 5.5 inches (2.0 x 8.4 x 14.0 cm)

Amazon Price: $34.99 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $73.36 | Used Price: $37.99

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  #12

Step Drill Bit Set, Tacklife PSD4 Titanium Spiral Grooved Drill Bit & Automatic Center Punch, Double Cutting Blades, X-Type Opening, Laser Marking|5-Piece Set|Total 50 Sizes

 Ean: 0689749208344   |   Asin: B0773N2CPQ

Features

  • SPIRAL GROOVE&TITANIUM COATING-spiral grooved drill cut more smoothly than straight groove, the drill bit is sharp and can easily drill perfect holes in the metal sheet; Titanium coating can reduce friction.Drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc
  • AUTOMATIC CENTER PUNCH-the thimble head is made of carbide tipped bit and its impact resistance is 10 times that of ordinary center punches;before drilling, automatic center punch can mark the positioning hole to prevent the drill and the screw from sliding.You can adjust the impact of wood, metal, plastic, leather and other materials
  • LASRE MARKING&X-TYPE OPENINGS-laser marking,clearer dimensions; X-type opening design can facilitate the removal of cutting waste when drilling to keep the drill bit clean
  • DOUBLE CUTTING BLADE&ALUMINUM BOX-double-cutting blade can cut faster and smoother;Aluminum alloy box can protect the drill bit.Breaking Windows is easy used as a safety escape hammer
  • LONG THIMBLE&SERVICE LIFE - thimble alloy steel, impact resistance, extend the life of automatic center punch
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Brand: TACKLIFE   |   Manufacturer: TACKLIFE

Package Dimensions: 1.9 x 6 x 6.5 inches (4.8 x 15.2 x 16.5 cm)

Amazon Price: $20.97 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $35.97

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  #13

Comoware Left Hand Drill Bit Set, 13 Piece | M2 HSS With Titanium Nitride Coating | SAE (1/16" - 1/4") (Left Hand-13PCS)

 Ean: 0753594131369   |   Asin: B07QKS4Z71

Specifications

: Material: HSS, Titanium Coating

Angle Point: 135 Degree

Flute Type: Spiral

Shank Type: Straight Shank

Set Includes:

Retailed packaged 13 pieces twist drill bits, include 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64 and 1/4
High Speed Steel:

High speed steel construction provides ultimate durability and the titanium coating ensures a longer service life so that the drill bits last through multiple uses.
Twist Design:

The split point tip and twist design increases cutting speed while easy self centering prevents walking. Say bye to all those chips and particles, with the twist design the drill bit can quickly clears them out, and leaves a clean, smooth hole.
Notice:

Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.

Features

  • 135 degree split point and twist design increases cutting speed with self-centering and prevents walking, clears chips and particles faster
  • Bits made of high speed M2 steel with a titanium nitride coat for added durability
  • Special left hand design can also be used with screw extractors to remove broken fasteners
  • Attachable to reversible drills to remove screws, bolts, and studs around the house, garage or on the job site
  • Set includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64 and 1/4 inch bits; Comes in metal index case for easy storage
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Brand: COMOWARE   |   Manufacturer: COMOWARE

Package Dimensions: 0.8 x 4.5 x 5.9 inches (2.0 x 11.4 x 15.0 cm)

Amazon Price: $13.69 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.69

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  #14

CO-Z 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

 PartNumber: SDB-2017-01   |   Asin: B076QC5BWR


Description:
Our step drill bit set provides faster and more convenient drilling than single flute bits. The
easy-to-read step markings and targets save time when drilling holes, perfect for HVAC work,
home repairs and light jobs such as drilling holes in plastic, aluminum, copper, stainless steel
and many other types of sheet metal. 135 split point tip increases cutting speed with
self-centering and prevents walking.

Specification:
Step Sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
Material: High-speed steel
Package List:
1 x Step Drill Bits Set

Features

  • HSS & TITANIUM COATING - High-speed steel make it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
  • TITANIUM COATING: Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • REVOLUTIONARY DESIGN: Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
  • INCLUDES 10 STEP SIZES: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8.
  • A MUST-HAVE FOR HANDYMAN OR PROFESSIONALS: Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).
  • See more on Amazon...

Brand: CO-Z   |   Manufacturer: CO-Z

Package Dimensions: 1.4 x 1.75 x 3.5 inches (3.6 x 4.4 x 8.9 cm)

Amazon Price: $9.55 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.55

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  #15

Neiko 10169A Titanium Step Drill Bit Set with Automatic Center Punch, 5-Piece | High Speed Steel | SAE | Total 41 Sizes

Model: 10169A   |    Mpn: 10169A   |    Ean: 0816914022485   |    PartNumber: 10169A   |   Asin: B07GL5H8NP

The Neiko 10169A Step Drill Bit and Center Punch set comes with the following pieces: 1/4-inch shank 6-step drill bit: 3/16-inch to 1/2-inch in 1/16-inch increments1/4-inch shank 13-step drill bit: 1/8-inch to 1/2-inch in 1/32-inch increments3/8-inch shank 10-step drill bit: 1/4-inch to 1-3/8-inch increments3/8-inch shank 12-step drill bit: 3/16-inch to 7/8-inch in 1/16-inch increments One automatic center punch

Features

  • Classic high speed steel with titanium coating for drilling holes in plastic, aluminum, copper, stainless steel, and many other sheet metal types
  • Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for cleaner operation
  • Each step drill bit features a tri-flatted shank for a secure fit into power tool chucks, eliminating slip
  • Automatic center punch creates spring-loaded high-impact strike against surfaces; red cap adjusts force
  • Set includes (2) 1/4-inch shank step drill bits, (2) 3/8-inch shank step drill bits, and (1) automatic center punch
  • See more on Amazon...

Brand: Neiko   |   Manufacturer: Neiko

Package Dimensions: 1.8 x 4.7 x 8 inches (4.6 x 11.9 x 20.3 cm)

Amazon Price: $21.49 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $21.49

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  #16

CO-Z Large HSS Spiral Groove Step Drill Bit, 10 Sizes Titanium High Speed Steel 1/4" to 2-3/8" Drill Bit for Sheet Aluminium Metal Wood Hole Drilling, Big Multiple Hole Stepped Up Bit for DIY Lovers

 PartNumber: SDB0001TA   |   Asin: B07CMPH9VY


CO-Z step drill bits set replaces 50 individual drill bits in 5 pieces step drill bits, which
saves you a lot of trouble and space.
Two-fluted design provides faster and smoother cutting. Cobalt steel along with titanium
coating ensures this set with outstanding
durability and will stay sharp for years to come, perfect to cut holes on steel, aluminum
sheets etc. A well-organized box provides users with easy storage and transport, truly a
must-have for DIY lovers and HVAC professionals.

Features

  • The step drill bit is made from upgraded high speed steel characterized by well-balanced toughness, wear resistance and red hardness properties for better and faster hole -drilling performance. The titanium coating makes the drill bit more durable so that it can last for years with uncompromised quality.
  • The dual-flute design prevents metal fillings from flying around and clears chips faster thus it can drill more smoothly without heating up.
  • The rapid strike tip drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2'' in thickness.
  • Our drill bit is bigger in size so it can drill holes with larger dimensions.
  • 12 hole sizes: 1/4; 3/8; 19/32; 3/4; 1'; 1'3/16; 1'3/8; 1'5/8; 1'3/4; 2'; 2'3/16; 2'3/8.
  • See more on Amazon...

Brand: CO-Z   |   Manufacturer: CO-Z

Package Dimensions: 3.66 x 3.86 x 4.84 inches (9.3 x 9.8 x 12.3 cm)

Amazon Price: $32.99 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $32.99

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  #17

3Pcs High-Speed Steel Step Drill Bit Set, LepoHome Cone Titanium Coated Metal Hole Cutter 1/4" Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm

 Ean: 0722943812082   |   Asin: B07PR96VTK

Step Drill Bit Set:

Feature:
-- High speed, titanium nit-ride coated steel Replaces 28 separate drill bits Two fluted design for fast, smooth cutting.
-- When inject cold water while working, can effectively extend the service life of the drill bit. Recommend drilling rate of 250-250 RPM.
-- 1mm thickness can be operated by hand drill, 2~3mm please use bench drill. The drill must continue to cool down when it is working, and it is not easy to burn.
-- According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.

Specifications:
-- Shank: 1/4" Quick Change Hex Shank
-- Finish: Titanium
-- Material: HSS (Suitable for use in the hardness below 25 degrees workpiece, such as iron plate, copper plate, aluminum plate, the thickness of the plate of step is 3mm and wood, PVC sheet, insulation boards with a thickness of 5mm(0.2 inch) or less). Can not be used to hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
-- MEASUREMENT:
4-12 5 Steps (Diameter 4, 6, 8, 10, 12mm)
4-20 9 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
4-32 15 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)

Package Included:
3 x Hss Step Cone Drill Bit Titanium Hole Cutter Set
Customer Service: Refund/ Replacement for ANY reasons. If you have any questions, please contact us.

Features

  • Widely Used Perfect Step Drill Bits suitable for drill holes in various material within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
  • Material HSS combined with a titanium coating. More capable and durable.
  • Easy Drilling Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake
  • SET INCLUDES Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
  • Package Included 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ). 1/4 Hex shaft drives are suitable for all kinds of for home DIY power drills.
  • See more on Amazon...

Brand: LepoHome   |   Manufacturer: LepoHome

Package Dimensions: 1 x 4.5 x 4.9 inches (2.5 x 11.4 x 12.4 cm)

Amazon Price: $13.99 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #18

Milwaukee 48-89-9209 Bit 7/8 In. To 1-1/8 In. Step Drill

Model: 48-89-9209   |    Mpn: 48-89-9209   |    Ean: 0045242307715   |    PartNumber: 48-89-9209   |   Asin: B00GLJQMPG

Milwaukee tool 48-89-9209 Black Oxide fast-starting step drill bit 7/8 - 1-1/8 inch jam-free ;

Features

  • Has jam free performance that dual flute design provides greater speed and control
  • Up To 2 X Faster, Optimized For Cordless Drills In High Speed
  • Optimized for cordless drills in high speed,
  • See more on Amazon...

Brand: Milwaukee Electric Tool   |   Manufacturer: TV Non-Branded Items (Home Improvement)

Item Dimensions: 2.1 x 5.9 x 6.9 inches (5.3 x 15.0 x 17.5 cm)   |   Package Dimensions: 0.9 x 4.6 x 5.7 inches (2.3 x 11.7 x 14.5 cm)

Amazon Price: $29.00 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $32.99 | Used Price: $33.99

Warranty: N/A

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  #19

Irwin Tools Unibit #1 1/8-Inch to 1/2-Inch Step-Drill Bit, 1/4-Inch Shank (10231)

Model: 10231   |    Mpn: 10231   |    Ean: 0787721839125   |    PartNumber: 10231   |   Asin: B00004THYX

Irwin 10231 Unibit #1 13-Step 1/4-Inch Step Drill Bit, 1/32-inch Steps (1/8- to 1/2- inches) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for the next size. Patented single-flute cutting edge gives greater control through steps and a true round hole every time. Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck. Drill diameters etched in flute for easy identification.

Features

  • This product is easy to use
  • This product is highly durable
  • This product is manufactured in United States
  • Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size.
  • Patented single-flute cutting edge gives greater control through steps and a true round hole every time.
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.
  • Speed Point tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck.
  • Drill diameters etched in flute for easy identification.
  • Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size.
  • Patented single-flute cutting edge gives greater control through steps and a true round hole every time.
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.
  • SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck.
  • Drill diameters etched in flute for easy identification.
  • See more on Amazon...

Brand: IRWIN   |   Manufacturer: IRWIN

Item Dimensions: 0.8 x 2.9 x 6 inches (2.0 x 7.4 x 15.2 cm)   |   Package Dimensions: 1.5 x 2.99 x 6.3 inches (3.8 x 7.6 x 16.0 cm)

Amazon Price: $17.95 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.48

Warranty: Manufacturer

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  #20

CO-Z Cobalt Added M35 Step Drill Bit, Spiral Step Drill Bit, Unibit Drill Bit for Cutting Drilling Holes On Stainelss Steel, Steel, Metal Sheet, Multiple Hole Stepped Up Bit for Professionals

 PartNumber: SDBCM35CO   |   Asin: B07CN7XQ1C


Our step drill bit set provides faster and more convenient drilling than single flute bits.
Double cutting blades and X-type openings design ensure a faster and smoother cutting;
3-sided shank design prevents slip in drill chuck. High-speed steel
construction for long service life;
the sharpness and titanium coating ensure easily cut through most sheet metal, plastic and some
other materials with ease. Cobalt ingredient in the bit helps to reduce
friction, which ensures extended
service life for many years to go. The easy-to-read step markings and
targets save time when drilling holes,
perfect for HVAC work, home repairs and light jobs.

Features

  • DURABLE & STURDY W/COBALT ADDED, solid M35 molybdenum high speed construction with cobalt added for extra durability, close to impossible to snap compared conventional drill bits, the unique 3-sided shank prevents slip in drill chuck and reduces shocks; oiling the bits recommended before every use to maximize the service life.
  • JAM-FREE PERFORMANCE, dual-flute design and three-sided shank design is optimized for cordless drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge.
  • ONE BIT FOR ALL, every bit comes with 10 sizes so you can drill up to 10 holes with different diameters, saving you time and efforts to change bits, every package comes with 5 bits, that makes it 50 diameters in total.
  • UNIVERSAL COMPATIBILITY, designed for drilling on steel sheets up to 0.08 in., acrylic, PVC and wooden boards up to 0.2 in.; marked with obvious marks for easy and precise hole drilling, compatible with drills 1/4,3/8,1/2
  • See more on Amazon...

Brand: CO-Z   |   Manufacturer: CO-Z

Package Dimensions: 1.3 x 2.6 x 4.6 inches (3.3 x 6.6 x 11.7 cm)

Amazon Price: $28.00 | as of 01/16/2020(11:17pm pst)
Availibility: Usually ships in 24 hours
List Price: $129.99

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