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Best Hole Enlarging Drill Bits - Buying Guide

Last Updated: 11/15/2018

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  #1

6-40 HSS H2 3 Flute Tap Set

Model: DWT54235   |    Mpn: DWT54235   |    Ean: 0887861071413   |    PartNumber: DWT54235   |   Asin: B00DL7FH16

Drill America 6-40 HS TAP SET (DWT54235)

Features

Brand: Drill America   |   Manufacturer: DRILL AMERICA

Package Dimensions: 1 x 2 x 3 inches (2.5 x 5.1 x 7.6 cm)

Amazon Price: $7.99 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.99

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  #2

Multi Titanium Steel Hole Size Enlarger Variable Size Steel Drill Bit Unibit

 Ean: 0728639374674   |    PartNumber: JR-728639374674   |   Asin: B01FOQK1OO

MULTI TITANIUM STEP STEPPED DOWN VARIABLE SIZE STEEL DRILL BIT UNIBIT TOOL SET
A Professional Quality Titanium Coated M2 HSS 13/16 - 1 3/8" Drill Bit

High Speed; Titanium Nitride Coated Steel
Stepped In 1/16" Increments
Fluted Design For Fast; Smooth Cutting
Automatically Deburrs Holes As You Drill
Step Sizes: 13/16"; 7/8"; 15/16"; 1"; 1 1/16"; 1 1/8"; 1 3/16"; 1 1/4"; 1 5/16"; 1 3/8" "

Features

  • MULTI TITANIUM STEP STEPPED DOWN VARIABLE SIZE STEEL DRILL BIT UNIBIT TOOL SET
  • A Professional Quality Titanium Coated M2 HSS 13/16 - 1 3/8 Drill Bit High
  • Speed; Titanium Nitride Coated Steel Stepped In 1/16 Increments Fluted Design
  • For Fast; Smooth Cutting Automatically Deburrs Holes As You Drill Step Sizes: 13/16; 7/8; 15/16; 1; 1 1/16; 1 1/8; 1 3/16; 1 1/4; 1 5/16; 1 3/8
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Brand: Generic   |   Manufacturer: Generic

Amazon Price: $29.39 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $29.39

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  #3

Qualtech m20 x 1.5 HSS Metric 4 Flute Bottoming Hand Tap, DWTB20X1.5

 Ean: 0887861072847   |    PartNumber: DWTB20X1.5   |   Asin: B00DLCX65A

m20 x 1.5 HSS Metric 4 Flute Bottoming Hand Tap, Qualtech, DWTB20X1.5

Features

Brand: Qualtech   |   Manufacturer: Qualtech

Amazon Price: $33.54 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $33.55

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  #4

HOUGEN Sheet Metal Holcutter - Tool Material: High speed steel Size: 1-1/2" [pack of 2]

 Ean: 0662850142486   |    PartNumber: 14248   |   Asin: B00C3I9IH8

HOUGEN Sheet Metal Holcutter - Tool Material: High speed steel Size: 1-1/2" [pack of 2]

Features

  • Hardened high speed steel with a precision ground geometry.
  • Single arbor fits all sizes.
  • Longer wear than hole saws
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Brand: Hougen   |   Manufacturer: HOUGEN

Amazon Price: $18.60 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 4-5 business days
List Price: $18.60

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  #5

Qualtech m36 x 3 HSS Metric 4 Flute Taper Hand Tap, DWTT36X3

 Ean: 0887861073301   |    PartNumber: DWTT36X3   |   Asin: B00DLCT9FG

m36 x 3 HSS Metric 4 Flute Taper Hand Tap, Qualtech, DWTT36X3

Features

Brand: Qualtech   |   Manufacturer: Qualtech

Amazon Price: $94.64 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $94.66

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  #6

Qualtech 1/4-20 HSS Machine and Fraction Hand Tap Set, DWT54460

 Ean: 0887861071512   |    PartNumber: DWT54460   |   Asin: B00DL7FYFU

1/4"-20 HSS Machine and Fraction Hand Tap Set, Qualtech, DWT54460

Features

Brand: Qualtech   |   Manufacturer: Qualtech

Amazon Price: $8.39 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.39

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  #7

Dormer G3143040 Conical Drill, Nr. 3040, Bright Coating, High Speed Steel, 98 mm Full Length

Model: 0149447   |    Mpn: G3143040   |    Ean: 7320760149447   |    PartNumber: G3143040   |   Asin: B01LWSF6KO

Conical drill has bright coating and right cutting direction. It comes with high speed steel (HSS) material and straight Countersink shank.

Features

  • D min 30.0 mm to max 40.0 mm x 1.0 mm
  • Bright coating
  • Right direction
  • Straight Countersink Shank
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Brand: Dormer   |   Manufacturer: Dormer Pramet

Package Dimensions: 1.81 x 1.89 x 5.12 inches (4.6 x 4.8 x 13.0 cm)

Amazon Price: $118.09 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $124.27

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  #8

Qualtech 1-1/4-12 HSS Machine and Fraction Hand Taper Tap, DWT55000

Model: DWT55000   |    Mpn: DWT55000   |    Ean: 0887861070171   |    PartNumber: DWT55000   |   Asin: B00DL7QULC

1-1/4"-12 HSS Machine and Fraction Hand Taper Tap, Qualtech, DWT55000

Features

Brand: Qualtech   |   Manufacturer: Qualtech

Package Dimensions: 1.4 x 1.8 x 5.8 inches (3.6 x 4.6 x 14.7 cm)

Amazon Price: $57.11 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $57.11

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  #9

Qualtech 8-32 Carbon Steel Bottoming Hand Tap, DWTB8-32

 Ean: 0887861076951   |    PartNumber: DWTB8-32   |   Asin: B00DL7F4YQ

8-32 Carbon Steel Bottoming Hand Tap, DWTB8-32

Features

  • Carbon Steel
  • Hand Tap
  • 8-32
  • Number of Flutes 3
  • Carbon Steel Hand Taps are used to re-thread damaged and/or jammed threads. Carbon Steel Hand Taps may also be used to thread mild steels. Taper Style: Starts the thread square with the workpiece. Plug Style: Generally used in thru holes. Bottom Style: Generate the thread to the bottom of the hole.
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Brand: Qualtech   |   Manufacturer: Qualtech

Amazon Price: $9.60 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $9.60

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  #10

Qualtech 1/8 HSS Heavy Duty Split Point Stub Drill Bit, DWDST1/8

 Ean: 0887861030687   |    PartNumber: DWDST1/8   |   Asin: B00AY1PHU8

1/8" HSS Heavy Duty Split Point Stub Drill Bit, Qualtech, DWDST1/8

Features

  • Heavy Duty Split Point HSS Screw Machine Drill
  • Size: 1/8
  • Dec. Equivalent .1250
  • Flute Length 7/8
  • Overall Length 1-7/8
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Brand: Qualtech   |   Manufacturer: Qualtech

Amazon Price: $1.93 | as of 11/15/2018(6:00pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $8.90

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Looking For Something Else? Search

Most Popular
New Releases

  1. 6-40 HSS H2 3 Flute Tap Set
  2. Multi Titanium Steel Hole Size Enlarger Variable Size Steel Drill Bit Unibit
  3. Qualtech m20 x 1.5 HSS Metric 4 Flute Bottoming Hand Tap, DWTB20X1.5
  4. HOUGEN Sheet Metal Holcutter - Tool Material: High speed steel Size: 1-1/2" [pack of 2]
  5. Qualtech m36 x 3 HSS Metric 4 Flute Taper Hand Tap, DWTT36X3
  6. Qualtech 1/4-20 HSS Machine and Fraction Hand Tap Set, DWT54460

Most Wished For

  1. 6-40 HSS H2 3 Flute Tap Set
  2. Multi Titanium Steel Hole Size Enlarger Variable Size Steel Drill Bit Unibit
  3. Qualtech m20 x 1.5 HSS Metric 4 Flute Bottoming Hand Tap, DWTB20X1.5
  4. HOUGEN Sheet Metal Holcutter - Tool Material: High speed steel Size: 1-1/2" [pack of 2]
  5. Qualtech m36 x 3 HSS Metric 4 Flute Taper Hand Tap, DWTT36X3
  6. Qualtech 1/4-20 HSS Machine and Fraction Hand Tap Set, DWT54460

Most Gifted

  1. 6-40 HSS H2 3 Flute Tap Set
  2. Multi Titanium Steel Hole Size Enlarger Variable Size Steel Drill Bit Unibit
  3. Qualtech m20 x 1.5 HSS Metric 4 Flute Bottoming Hand Tap, DWTB20X1.5
  4. HOUGEN Sheet Metal Holcutter - Tool Material: High speed steel Size: 1-1/2" [pack of 2]
  5. Qualtech m36 x 3 HSS Metric 4 Flute Taper Hand Tap, DWTT36X3
  6. Qualtech 1/4-20 HSS Machine and Fraction Hand Tap Set, DWT54460

Top Selling

  1. 6-40 HSS H2 3 Flute Tap Set
  2. Multi Titanium Steel Hole Size Enlarger Variable Size Steel Drill Bit Unibit
  3. Qualtech m20 x 1.5 HSS Metric 4 Flute Bottoming Hand Tap, DWTB20X1.5
  4. HOUGEN Sheet Metal Holcutter - Tool Material: High speed steel Size: 1-1/2" [pack of 2]
  5. Qualtech m36 x 3 HSS Metric 4 Flute Taper Hand Tap, DWTT36X3
  6. Qualtech 1/4-20 HSS Machine and Fraction Hand Tap Set, DWT54460



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