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Best Cap Screws & Hex Bolts - Buying Guide

Last Updated: 07/22/2019

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Bestselling Cap Screws & Hex Bolts on Amazon

  1. Hard-to-Find Fastener 014973124939 Hex Machine Screw Nuts, 2-56, Piece-100
  2. Fastener Pro 1/4 x 1-1/4-Inch Hex Head Lag Screw Kit, 18-8 (304) Stainless Steel, 10-Pack (10 Lag Sc...
  3. Electronics-Salon 100PCS Metric M5 x 12mm Black Nylon Phillips Pan-Header Screw.
  4. Sorekarain 4 PCS M5x9mm Golden GR5 Titanium Screws Bolts for Bike Front Rear Derailleur
  5. Newport Fasteners M14 x 100mm Hex Cap Screw Metric Class 10.9 Zinc Yellow Plated Steel (Quantity: 13...
  6. Newport Fasteners 1/4 inch x 3/8 inch Hex Cap Screw Grade 8 Zinc Yellow Plated Steel (Quantity: 100 ...
  7. 1 x 3-3/4" Heavy Hex Bolts A325 Type 1, Hot Dipped Galvanized Steel (Quantity: 190) Partially Thread...
  8. 5/8 x 4" Hex Machine Bolt A307 Grade A Steel (Quantity: 125) Zinc Steel, Coarse Thread, Partially Th...
  9. 5/8 x 2-1/4" Fully Threaded Hex Tap Bolt Grade 5, Plain Steel (Quantity: 160) Coarse Thread, 5/8-11 ...
  10. 5/8 x 4" Square Head Machine Bolt Hot Dipped Galvanized Steel (Quantity: 125) Coarse Thread, Partial...

  #1

Hard-to-Find Fastener 014973124939 Hex Machine Screw Nuts, 2-56, Piece-100

Model: 014973124939   |    Mpn: MSNB-046-100   |    Ean: 0738287037609   |    PartNumber: MSNB-046-100   |   Asin: B00L1LAEJE

We stock a wide variety of fasteners ideal for many applications arround the home, farm, business, automotives, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finsh. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thouroughly and get the opinion of a licensed building or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person.

Features

  • Diameter: #2
  • Material: Brass
  • Driver Type: 3/16 Wrench
  • Thread Type: 56 (Coarse)
  • Type: Hex Nut
  • Driver Type: 3/16 Wrench
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Brand: Hard-to-Find Fastener   |   Manufacturer: Hard-to-Find Fastener

Item Dimensions: 1.63 x 2.13 x 2.19 inches (4.1 x 5.4 x 5.6 cm)   |   Package Dimensions: 1.6 x 2.1 x 2.1 inches (4.1 x 5.3 x 5.3 cm)

Amazon Price: $7.55 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.65

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  #2

Fastener Pro 1/4 x 1-1/4-Inch Hex Head Lag Screw Kit, 18-8 (304) Stainless Steel, 10-Pack (10 Lag Screws + 10 Flat Washers)

Model: LSS14104K   |    Mpn: LSS14104K   |    Ean: 0791518117440   |    PartNumber: LSS14104K   |   Asin: B017WY96S8

Category: Lag bolts, Dimensional standard: ASME B18.2.1, Head style: Hex , Material: Stainless steel, Grade: 18-8, Diameter: 1/4", Width across the flats: 7/16", Head height: 11/64", Drive type: External hex, Finish: ASTM A380, Thread requirements: The minimum thread length must be equal to one half the nominal Screw length plus , or 6 inch, whichever is shorter. Screws too short to conform to this formula must be threaded as close to the head as possible.

Features

  • Your 1 trusted brand: Fastener Pro
  • 1/4 x 1-1/4-inch lag screws 18-8 stainless steel (10 pieces)
  • 1/4 flat washer 18-8 stainless steel (10 pieces)
  • Ready to use & easy to install
  • Carefully constructed high-quality corrosion resistant 18-8 stainless steel
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Brand: Fastener Pro   |   Manufacturer: Fastener Pro

Item Dimensions: 0.44 x 0.24 x 1.42 inches (1.1 x 0.6 x 3.6 cm)   |   Package Dimensions: 2.3 x 3.4 x 3.8 inches (5.8 x 8.6 x 9.7 cm)

Amazon Price: $14.57 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $14.57

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  #3

Electronics-Salon 100PCS Metric M5 x 12mm Black Nylon Phillips Pan-Header Screw.

 Ean: 6921407387195   |    PartNumber: SCW-NLB/M5x12-100   |   Asin: B0197OP3GA

Metric M5 x 12mm Nylon Phillips Pan-Header Screws

Features

  • Metric M5 x 12mm Nylon Phillips Pan-Header Screws
  • Quantity: a lot of 100 pieces.
  • Screw thread: M5/(5mm), Thread pitch: 0.8mm
  • Thread length: 12mm .
  • Material: Nylon PA66. Color: Black.
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Brand: Electronics-Salon   |   Manufacturer: Electronics-Salon

Amazon Price: $10.00 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $10.00

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  #4

Sorekarain 4 PCS M5x9mm Golden GR5 Titanium Screws Bolts for Bike Front Rear Derailleur

 Ean: 0606227976588   |    PartNumber: XZO00399   |   Asin: B07J5XTXVP

Material:6AL/4V(TC4)Titanium Alloy,Grade 5 Thred:M5 Thread Length:9mm Pitch:0.8 mm Color: Golden Applied:Bike Front Rear Derailleur Each bid for 4 PCS! We also have other relavent products.

Features

Brand: Sorekarain   |   Manufacturer: SOKA

Amazon Price: $9.82 | as of 07/22/2019(9:06pm pst)
Availibility:
List Price:

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  #5

Newport Fasteners M14 x 100mm Hex Cap Screw Metric Class 10.9 Zinc Yellow Plated Steel (Quantity: 130 pcs) M14-2.0 x 100mm Hex Bolt/Coarse Thread / 34mm inches of Thread/DIN 931

 Ean: 9145253209600   |    PartNumber: N165653-130   |   Asin: B07H7NTVPJ

An externally threaded fastener with a hexagonal head, washer face beneath the head, a metric thread pitch. Made from high alloy steel and heat-treated. Threaded shank does not extend completely to the head

Features

  • DIN 931
  • Metric Class 10.9 Steel
  • Coarse Thread / Partially Threaded 34mm inches of Thread
  • Manufactured to ASME B18.2.1 dimensions
  • RoHS: On Request
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Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $256.97 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $256.97

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  #6

Newport Fasteners 1/4 inch x 3/8 inch Hex Cap Screw Grade 8 Zinc Yellow Plated Steel (Quantity: 100 pcs) 1/4-20 x 3/8 Hex Bolt/Coarse Thread/Fully Threaded

 Ean: 9145253146363   |    PartNumber: N454718-100   |   Asin: B07H7M87NM

A cap screw made from medium carbon alloy stel and heat treated. Deisgned for use in high stress applications.

Features

  • Grade 8 Steel made of alloy steel and has six radial lines on the top of the bolt head
  • Finish: Zinc Yellow
  • Coarse Thread / Fully Threaded
  • Manufactured to ASME B18.2.1 & SAE J429 specifications
  • Tensile Strength: 150,000 psi. min, 1/4 - 1.5 inch diams)
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Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $24.97 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $24.97

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  #7

1 x 3-3/4" Heavy Hex Bolts A325 Type 1, Hot Dipped Galvanized Steel (Quantity: 190) Partially Threaded, Coarse Thread, 1-8 x 3-3/4"

 Ean: 0696297888898   |    PartNumber: 821312-190   |   Asin: B07GT9523C

Heavy Hex Head Bolts are designed for those applications that require a larger than a standard hex head. The head will be larger and thicker than a standard hex head bolt

Features

  • Diameter-Threads Per Inch: 1-8
  • Length: 3-3/4 inch
  • A325 (heavy hex structural): F3125 is the consolidation and replacement of 6 ASTM standards: A325, A325M, A490, A490M, F1852, and F2280. This coveres the chemical, physical, and mechanical properties and requirements for structural bolts manufactured from steel and alloy steel, in two strengths, two styles, and two types
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $691.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $691.99

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  #8

5/8 x 4" Hex Machine Bolt A307 Grade A Steel (Quantity: 125) Zinc Steel, Coarse Thread, Partially Threaded, 5/8-11 x 4"

 Ean: 0696297873009   |    PartNumber: 122068-125   |   Asin: B07GT8GBM6

Hex bolts are bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end

Features

  • Diameter-Threads Per Inch: 5/8-11
  • Length: 4 inch
  • A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head
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Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $125.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $125.99

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  #9

5/8 x 2-1/4" Fully Threaded Hex Tap Bolt Grade 5, Plain Steel (Quantity: 160) Coarse Thread, 5/8-11 x 2-1/4"

 Ean: 0696297865691   |    PartNumber: 139147-160   |   Asin: B07GT7YTLN

A tap bolt is (typically) a fully threaded hex bolt. Similar to a Hex Cap Screw but a hex cap screw is (typically) a hex head bolt that will be installed by turning the head of the bolt (screw) instead of tightening it with a nut

Features

  • Diameter-Threads Per Inch: 5/8-11
  • Length: 2-1/4 inch
  • Grade 5 bolts for moderate stress applications. Stronger than Grade 2 bolts but not as strong as Grade 8 bolts
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Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $113.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $113.99

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  #10

5/8 x 4" Square Head Machine Bolt Hot Dipped Galvanized Steel (Quantity: 125) Coarse Thread, Partially Threaded, 5/8-11 x 4"

 Ean: 0696297861570   |    PartNumber: 946730-125   |   Asin: B07GT7KZD3

Square heads are best used in tight or dark spaces where a machinist or fabricator must tighten the bolt blind. It is simple to fit a tool over the square shape even when there are no visual markers available.

Features

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $232.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $232.99

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  #11

1/4 x 2-1/4" Hex Machine Bolt A307 Grade A Steel (Quantity: 1400) Plain Steel, Coarse Thread, Partially Threaded, 1/4-20 x 2-1/4"

 Ean: 0696297873931   |    PartNumber: 766118-1400   |   Asin: B07GT79X9L

Hex bolts are bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end

Features

  • Diameter-Threads Per Inch: 1/4-20
  • Length: 2-1/4 inch
  • A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $125.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $125.99

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  #12

3/4 inch X 1-3/4 inch A325 TC Bolt Assembly with A563 DH Heavy Hex Nut & F436 Washer (Quantity: 300) Plain Steel, Coarse Thread, 3/4-10 x 1-3/4

 Ean: 0696297893700   |    PartNumber: 713379-300   |   Asin: B07GT6ZZM8

Tension Control ( T.C. ) Bolts (also called Breakaway Bolts) are heavy duty bolts used in construction. The head is domed and is not to be driven. The end of the shank is splined which prevents the bolt from turning when the nut is torqued.

Features

  • Diameter-Threads Per Inch: 3/4-10
  • Length: 1-3/4 inch
  • A325 (heavy hex structural): F3125 is the consolidation and replacement of 6 ASTM standards: A325, A325M, A490, A490M, F1852, and F2280. This coveres the chemical, physical, and mechanical properties and requirements for structural bolts manufactured from steel and alloy steel, in two strengths, two styles, and two types
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $587.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $587.99

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  #13

3/4 x 2-3/4" Hex Machine Bolt A307 Grade A Steel (Quantity: 10) Zinc Steel, Coarse Thread, Partially Threaded, 3/4-10 x 2-3/4"

 Ean: 0696297902570   |    PartNumber: 835331-10   |   Asin: B07GT6Z3PH

Hex bolts are bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end

Features

  • Diameter-Threads Per Inch: 3/4-10
  • Length: 2-3/4 inch
  • A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $36.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $36.99

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  #14

3/4-10 x 2-3/4" Hex Cap Screws 18-8 Stainless Steel (Quantity: 50) Coarse Thread, Partially Threaded, 3/4 inch Diameter x 2-3/4" inch Length

 Ean: 0696297859287   |    PartNumber: 927467-50   |   Asin: B07GT6MB34

Hex Head bolt with a trimmed hex head and a washer face on the bearing surface to protect from marring

Features

  • Diameter-Threads Per Inch: 3/4-10
  • Length: 2-3/4 inch
  • 18-8 Stainless Steel - Designed for outdoor or areas that are subjected to moisture. If you believe your bolt/screw could be subjected to a moisture environment then Stainless Steel products should be used.
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Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $95.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $95.99

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  #15

1-1/4 inch X 5 A325 Type 1 Heavy Hex Structural Bolt (Quantity: 45) Hot Dipped Galvanized Steel, Coarse Thread, 1 1/4-7 x 5, Made in USA

 Ean: 0696297876628   |    PartNumber: 197429-45   |   Asin: B07GT6JBFV

This is an A325 Type 1 Heavy Hex Bolt for Structural Applications

Features

  • Diameter-Threads Per Inch: 1 1/4-7
  • Length: 5 inch
  • A325 (heavy hex structural): F3125 is the consolidation and replacement of 6 ASTM standards: A325, A325M, A490, A490M, F1852, and F2280. This coveres the chemical, physical, and mechanical properties and requirements for structural bolts manufactured from steel and alloy steel, in two strengths, two styles, and two types
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $665.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $665.99

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  #16

1 x 7" Heavy Hex Bolts A325 Type 1, Plain Steel (Quantity: 90) Partially Threaded, Coarse Thread, 1-8 x 7" - Made in USA

 Ean: 0696297863468   |    PartNumber: 547669-90   |   Asin: B07GT6HG3D

Heavy Hex Head Bolts are designed for those applications that require a larger than a standard hex head. The head will be larger and thicker than a standard hex head bolt

Features

  • Diameter-Threads Per Inch: 1-8
  • Length: 7 inch
  • A325 (heavy hex structural): F3125 is the consolidation and replacement of 6 ASTM standards: A325, A325M, A490, A490M, F1852, and F2280. This coveres the chemical, physical, and mechanical properties and requirements for structural bolts manufactured from steel and alloy steel, in two strengths, two styles, and two types
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $650.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $650.99

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  #17

7/8 x 3-3/4" Hex Machine Bolt A307 Grade A Steel (Quantity: 65) Zinc Steel, Coarse Thread, Partially Threaded, 7/8-9 x 3-3/4"

 Ean: 0696297872491   |    PartNumber: 282633-65   |   Asin: B07GT6D2V2

Hex bolts are bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end

Features

  • Diameter-Threads Per Inch: 7/8-9
  • Length: 3-3/4 inch
  • A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $141.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $141.99

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  #18

7/8 x 6-1/2" Heavy Hex Bolts A193 Grade B7, Plain Alloy Steel (Grade B7) (Quantity: 30) Partially Threaded, Coarse Thread, 7/8-9 x 6-1/2"

 Ean: 0696297895056   |    PartNumber: 286540-30   |   Asin: B07GT62M5F

A193 (heavy hex): A193 is the ASTM standard covering alloy and stainless steel bolting materials for high temperature or high pressure service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Material selection depends on design, service conditions, mechanical properties, and temperature characteristics. This material is often available in UNC thread pitches, if being used in traditional applications, threads are specified 8 threads per inch or 8UN for diameters above one inch.

Features

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $218.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $218.99

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  #19

5/8 x 2-3/4" Hex Machine Bolt A307 Grade A Steel (Quantity: 25) Hot Dipped Galvanized Steel, Coarse Thread, Partially Threaded, 5/8-11 x 2-3/4"

 Ean: 0696297900309   |    PartNumber: 737204-25   |   Asin: B07GT5JK4Q

Hex bolts are bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end

Features

  • Diameter-Threads Per Inch: 5/8-11
  • Length: 2-3/4 inch
  • A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $51.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $51.99

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  #20

1-1/2 x 4-3/4" Heavy Hex Bolts A325 Type 1, Plain Steel (Quantity: 18) Partially Threaded, Coarse Thread, 1 1/2-6 x 4-3/4"

 Ean: 0696297889734   |    PartNumber: 295734-18   |   Asin: B07GT4437C

Heavy Hex Head Bolts are designed for those applications that require a larger than a standard hex head. The head will be larger and thicker than a standard hex head bolt

Features

  • Diameter-Threads Per Inch: 1 1/2-6
  • Length: 4-3/4 inch
  • A325 (heavy hex structural): F3125 is the consolidation and replacement of 6 ASTM standards: A325, A325M, A490, A490M, F1852, and F2280. This coveres the chemical, physical, and mechanical properties and requirements for structural bolts manufactured from steel and alloy steel, in two strengths, two styles, and two types
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $213.99 | as of 07/22/2019(9:06pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $213.99

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