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Best Cap Screws & Hex Bolts - Buying Guide

Last Updated: 04/19/2019

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Bestselling Cap Screws & Hex Bolts on Amazon

  1. Newport Fasteners 3/4 inch x 2 inch Hex Cap Screw Grade 8 Zinc Yellow Plated Steel (Quantity: 25 pcs...
  2. Nylon 6/6 Hex Bolt, Plain Finish, Black, Slotted Drive, Meets ASTM D4066/ASTM D6779, 10mm Length, Fu...
  3. 1 1/2-12 x 6 Hex Head Cap Screws, Alloy Steel Grade 8, Plain Finish (Quantity: 1 pcs) - Fine Thread ...
  4. 316 Stainless Steel Hex Bolt, Plain Finish, Hex Head, External Hex Drive, Meets ASME B18.2.1, 2-3/4"...
  5. Type 316 Stainless Steel Hex Head Bolts - Size 5/16-18 x 1-1/4" (pack of 25pcs) Marine Bolt Supply
  6. Newport Fasteners M12 x 60mm Hex Cap Screw Metric Class 8.8 Zinc Plated Steel (Quantity: 50 pcs) M12...
  7. Sorekarain M6x33mm Pitch 1.0mm Rainbow GR5 Titanium Bolts & Rod Nut for Bike Rear Suspension
  8. 25pcs Stainless Steel Metric Thread M2 M3 Diameter 2 3 mm Round Pan Head Phillips Cross Screw Bolt W...
  9. 100pcs White Plastic Nylon Flat Spacer Washer Insulation Gasket Ring For Screw Bolt (M4x8mmx1mm)
  10. 300 PCS 3/8-16x3" Grade 8 Hex Flange Screws Frame Bolts USS Coarse Zinc Yellow

  #1

Newport Fasteners 3/4 inch x 2 inch Hex Cap Screw Grade 8 Zinc Yellow Plated Steel (Quantity: 25 pcs) 3/4-10 x 2 Hex Bolt/Coarse Thread/Fully Threaded

 Ean: 9145253258189   |    PartNumber: N455508-25   |   Asin: B07H7MS3K7

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: $64.97 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $64.97

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  #2

Nylon 6/6 Hex Bolt, Plain Finish, Black, Slotted Drive, Meets ASTM D4066/ASTM D6779, 10mm Length, Fully Threaded, M6-1 Metric Coarse Threads (Pack of 100)

Model: 50M060100K010B   |    Mpn: B005U9LLPE   |    PartNumber: B005U9LLPE   |   Asin: B005U9LLPE

The off-white nylon 6/6 hex bolt has a slotted drive and meets American Society for Testing and Materials ASTM D4066 and D6779 specifications. Nylon 6/6 provides resistance to abrasion, corrosion, and many chemicals and solvents. The material is a strong yet lightweight plastic and is nonconductive. Nylon 6/6 can either absorb or lose moisture, which may alter its dimensions and mechanical properties. The hex head has six flat sides that a wrench can grip to turn the screw from the side, enabling use when there is no space above the head for a driver. The slotted drive has a linear slot for use with a flat-blade driver.

Cap screws and hex bolts are threaded fasteners with thick hex-shaped heads that can be used with threaded nuts or in areas with limited clearance above the tapped (threaded) hole. Cap screws have slightly different dimensions than hex bolts and have a washer face underneath their unflanged hex head to act as a large bearing surface against the mating material.

Features

  • Nylon 6/6 provides resistance to abrasion, corrosion, and many chemicals, is nonconductive, and is a strong yet lightweight plastic
  • Hex head tightens from the side with a wrench, enabling use when there is no space above for a driver
  • Slotted drive has a linear slot for use with a flat-blade driver
  • Meets ASTM D4066 and ASTM D6779 specifications
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Brand: Small Parts   |   Manufacturer: Microplastics

Package Dimensions: 0.7 x 4.1 x 4.4 inches (1.8 x 10.4 x 11.2 cm)

Amazon Price: $6.39 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.39

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  #3

1 1/2-12 x 6 Hex Head Cap Screws, Alloy Steel Grade 8, Plain Finish (Quantity: 1 pcs) - Fine Thread UNF, Partially Threaded, Length: 6 inch, Thread Size: 1 1/2 inch

 Ean: 8945136584296   |    PartNumber: 821645-1   |   Asin: B07CQDQWX4

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

Features

  • A grade 8 bolt is stronger than the more commonly used grade 5.
  • It is made of alloy steel and has six radial lines on the top of the bolt head.
  • Bolt pictures are a general representation and not an actual picture of the product you will receive
  • Manufactured to ASME B18.2.1 & SAE J429 specifications
  • Tensile Strength: 150,000 psi. min, 1/4 - 1.5 inch diams)
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $68.97 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $68.97

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  #4

316 Stainless Steel Hex Bolt, Plain Finish, Hex Head, External Hex Drive, Meets ASME B18.2.1, 2-3/4" Length, Partially Threaded, 3/8"-16 UNC Threads (Pack of 5)

Model: B001378EDE   |    Mpn: B001378EDE   |    PartNumber: B001378EDE   |   Asin: B001378EDE

The 18-8 stainless steel hex bolt has a plain finish and an external hex drive, and meets American Society of Mechanical Engineers ASME B18.2.1 specifications. The 316 stainless steel grade provides strength and offers better corrosion resistance than 18-8 stainless steel, especially in marine environments. The material may be slightly magnetic. The external hex drive has six flat sides that a wrench can grip to turn the screw from the side, enabling use when there is no space above the head for a driver.

Cap screws and hex bolts are threaded fasteners with thick hex-shaped heads that can be used with threaded nuts or in areas with limited clearance above the tapped (threaded) hole. Cap screws have slightly different dimensions than hex bolts and have a washer face underneath their unflanged hex head to act as a large bearing surface against the mating material.

Features

  • 316 stainless steel provides strength and better corrosion resistance than 18-8 stainless steel
  • Plain surface has no finish or coating
  • External hex drive tightens from the side with a wrench, enabling use when there is no space above for a driver
  • Meets ASME B18.2.1 specifications
  • See more on Amazon...

Brand: Small Parts   |   Manufacturer: Small Parts

Package Dimensions: 0.5 x 4 x 4 inches (1.3 x 10.2 x 10.2 cm)

Amazon Price: $3.03 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 24 hours
List Price: $3.03

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  #5

Type 316 Stainless Steel Hex Head Bolts - Size 5/16-18 x 1-1/4" (pack of 25pcs) Marine Bolt Supply

 Ean: 0634385957200   |    PartNumber: 6-FHC   |   Asin: B01NAIHZ9W

These bolts are coarse threaded and made of quality "Marine Grade" type 316 stainless steel and are suited for resisting rust & corrosion in most environments. (For chemical, salt water or coastal environments type 316 stainless is a must! Standard 304/18-8 will not hold up!) These are standard six sided external hex heads and depending on length can be fully or partially threaded. Length is measured from underneath the head.

Features

Brand: Marine Bolt Supply   |   Manufacturer: CMC Industrial Supply

Amazon Price: $12.95 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.95

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  #6

Newport Fasteners M12 x 60mm Hex Cap Screw Metric Class 8.8 Zinc Plated Steel (Quantity: 50 pcs) M12-1.5 x 60mm Hex Bolt/Fine Thread/Partially Threaded 30mm inches of Thread/DIN 960

 Ean: 9145253133202   |    PartNumber: N815161-50   |   Asin: B07H7N4DRL

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

Features

  • DIN 960
  • Grade 8.8 Steel
  • Fine Thread / Partially Threaded 30mm inches of Thread
  • Tensile Strength: 800 N/mm2 (thru 16 mm diam.) 800 N/mm2 (over 16 mm diam.)
  • Class 8.8 Steel, Quenched and Tempered
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $61.97 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $61.97

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  #7

Sorekarain M6x33mm Pitch 1.0mm Rainbow GR5 Titanium Bolts & Rod Nut for Bike Rear Suspension

 Ean: 8011605363980   |    PartNumber: XZO00782   |   Asin: B07KXVGRN7

Material:6AL/4V(TC4)Titanium Alloy,Grade 5 Rod Nut Length:33mm Color of Rod Nut Legnth:Ti Color of Screw:Rainbow Applied: Bicycle Rear Suspension Each bid for 2 PCS Scew+ 1 PC Rod Nut! We also have other relavent products.

Features

Brand: None   |   Manufacturer: SOKA

Amazon Price: $12.74 | as of 04/19/2019(2:58pm pst)
Availibility:
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  #8

25pcs Stainless Steel Metric Thread M2 M3 Diameter 2 3 mm Round Pan Head Phillips Cross Screw Bolt With Hex Nut (M2x3mm)

 PartNumber: 16071947   |   Asin: B07PQGXGKX

Model Number: M2M3 Material: Stainless Steel is_customized: Yes DIY Supplies: Electrical

Features

  • Provides additional security to installed doors
  • Provides additional security to wood and metal doors
  • Made of durable steel
  • Easy to use
  • This item can be searched by below relevant keywords: double door barricade worldwide flush bolt flush bolt for double door flush mount door bolt inch flush bolt door flush bolt night guard door security double door lock bolt catch round corner flush bolt antique brass door hinges brass slide bolt flush latch
  • See more on Amazon...

Brand: PomPomHome   |   Manufacturer: PomPomHome

Amazon Price: $11.99 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 4-5 business days
List Price: $11.99

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  #9

100pcs White Plastic Nylon Flat Spacer Washer Insulation Gasket Ring For Screw Bolt (M4x8mmx1mm)

 PartNumber: 371339510   |   Asin: B07PPFCTWY

DIY Supplies: Electrical Model Number: null is_customized: Yes

Features

  • Provides additional security to installed doors
  • Provides additional security to wood and metal doors
  • Made of durable steel
  • Easy to use
  • This item can be searched by below relevant keywords: double door barricade worldwide flush bolt flush bolt for double door flush mount door bolt inch flush bolt door flush bolt night guard door security double door lock bolt catch round corner flush bolt antique brass door hinges brass slide bolt flush latch
  • See more on Amazon...

Brand: PomPomHome   |   Manufacturer: PomPomHome

Amazon Price: $12.99 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 4-5 business days
List Price: $12.99

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  #10

300 PCS 3/8-16x3" Grade 8 Hex Flange Screws Frame Bolts USS Coarse Zinc Yellow

 Ean: 0769102966057   |    PartNumber: 37C300BFL8Y-3037   |   Asin: B07PMKYW7S

High Strength Grade 8 hex flange screws at a wholesale price! These bolts feature a hex flange head and have Zinc Yellow coating for corrosion protection

Features

  • 300 Piece Pack
  • Corrosion Resistant Zinc Yellow Finish
  • Diameter/Pitch: 3/8-16 | Length Under Head: 3
  • Wrench Size: 9/16
  • Coarse Partial Threads
  • See more on Amazon...

Brand: BoltsandNuts.com   |   Manufacturer: BoltsandNuts.com

Amazon Price: $141.94 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $141.94

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  #11

M12-1.50 x 60 Hex Bolt Din 960 10.9 Zinc Plated (50 Pack)

 Ean: 0763236161029   |   Asin: B07PCJTV89

M12-1.50 x 60 Hex Head Cap Screw
Sold here in a package of 50.

Features

  • M12-1.50 x 60
  • Din 960 Hex Head Cap Screw
  • Grade 10.9, Zinc Clear Finish
  • M12-1.50 RH Thread
  • 60mm Length (From under head to end of bolt)
  • See more on Amazon...

Brand: U-Turn Fasteners, Inc.   |   Manufacturer: U-Turn Approved Manufacturer

Amazon Price: $55.43 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $55.43

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  #12

3/4"-10 x 5 1/2" A490 Structural Bolt Type 1 Heavy Hex Plain Finish - Made in USA (Quantity: 200 pcs) Partially Threaded

Model: Structural Bolts   |    Mpn: 874973-BR-200   |    Ean: 9145253343175   |    PartNumber: 874973-BR-200   |   Asin: B07P7B56P9

Made in USA - ASTM A490 bolts are heavy hex bolts made of alloy steel with a flat bearing surface, washer faced, and chamfered point. They are used in structural steel joints in heavy construction applications that require greater yield and tensile strengths than those of an A325 bolt are required. Type 1 bolts are made from alloy steel

Features

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $780.99 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $780.99

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  #13

100 PCS M10-1.5x25 MM Metric Hex Flange Screws Class 10.9 Grade Frame Bolts Zinc Yellow

 Ean: 0769102964336   |    PartNumber: M10C25BF10Y/D   |   Asin: B07P6F8GB4

High Strength Metric Class 10.9 hex flange screws at a wholesale price! These bolts feature a hex flange head and have a corrosion resistant Zinc Yellow coating

Features

  • 100 Piece Pack
  • Corrosion Resistant Zinc Yellow Finish
  • Diameter/Pitch: M10-1.5 | Length Under Head: 25mm
  • Wrench Size: 15mm
  • Coarse Full Threads
  • See more on Amazon...

Brand: BoltsandNuts.com   |   Manufacturer: BoltsandNuts.com

Amazon Price: $35.19 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $35.19

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  #14

1 1/4"-7 x 6 1/2" A325 Structural Bolt Type 1 Heavy Hex Plain Finish (Quantity: 65 pcs) Partially Threaded

Model: Structural Bolts   |    Mpn: 888717-BR-65   |    Ean: 9145253337006   |    PartNumber: 888717-BR-65   |   Asin: B07P6D4V7K

ASTM A325 structural bolts are heavy hex bolts made of medium carbon steel with a flat bearing surface, washer faced, and chamfered point.

Features

  • Thread Diameter-Thread Pitch: 1 1/4"-7
  • Length of Bolt: 6 1/2 Inches
  • Medium Carbon Steel Quenched and Tempered
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Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $746.99 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $746.99

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  #15

1 1/8"-7 x 8 1/2" A325 Structural Bolt Type 1 Heavy Hex Hot Dip Galvanized (Quantity: 60 pcs) Partially Threaded

Model: Structural Bolts   |    Mpn: 508082-BR-60   |    Ean: 9145253345551   |    PartNumber: 508082-BR-60   |   Asin: B07P6D41K3

ASTM A325 structural bolts are heavy hex bolts made of medium carbon steel with a flat bearing surface, washer faced, and chamfered point.

Features

  • Thread Diameter-Thread Pitch: 1 1/8"-7
  • Length of Bolt: 8 1/2 Inches
  • Medium Carbon Steel Quenched and Tempered
  • See more on Amazon...

Brand: Newport Fasteners   |   Manufacturer: Newport Fasteners

Amazon Price: $778.99 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $778.99

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  #16

100 PCS 1/4-20x1-1/2" Grade 8 Hex Flange Screws Frame Bolts USS Coarse Phos & Oil

 Ean: 0769102958496   |    PartNumber: 25C150BFL8P-2342   |   Asin: B07P3KPWRR

High Strength Grade 8 hex flange screws at a wholesale price! These bolts feature a hex flange head and have a corrosion ressistant Phosphate & Oil coating

Features

  • 100 Piece Pack
  • Corrosion Resistant Phosphate & Oil Finish
  • Diameter/Pitch: 1/4-20 | Length Under Head: 1-1/2
  • Wrench Size: 3/8
  • Coarse Partial Threads
  • See more on Amazon...

Brand: BoltsandNuts.com   |   Manufacturer: BoltsandNuts.com

Amazon Price: $17.40 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $17.40

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  #17

12 x 2-1/2 Hex Washer Unslotted Self-Drilling Screws Steel Zinc Plated 1000 Box Metric Hardware Fastener Kit

 Ean: 6269960734903   |    PartNumber: Mop-443   |   Asin: B07P19QNH8

FASTENERS - THE BEST SOLUTION AT REPAIR WORK!

A variety of metric hardware allows you to buy bolt screw assortment, washers, screws, screws for wood, replacement parts, crib hardware or hex nut set which are available in various styles and materials. In the catalog, you are offered various nut and bolt kit, plastic cap washers, screws for treated wood, metric fasteners of different standards, shapes, depending on the specifics of using models for screw set.

The metric hardware kits presented in the assortment find application in the spheres of construction of metal structures, in the construction industry, in mechanical engineering, in the field of repair and restoration works.

All our nuts and bolts made of corrosion-protected steel. Therefore, even when used in under challenging conditions with high humidity are characterized by durability and reliability. All metric hardware assortment presented in the fastener store is in accordance with accepted norms and approved to use. The quality of bolt kit, star head screws, hex nuts driver organizers demonstrate considerable strength and high wear resistance. Flat Washers can withstand increased mechanical, vibration and thermal loads without changing the original characteristics, providing a secure attachment.

WE ARE CUSTOMER SERVICE ORIENTED COMPANY and want to provide the best quality product, service and price possible.

Features

  • OUR PROFESSIONAL LICENSE PLATE SCREWS often located in a position that makes screw kit susceptible to corrosion and therefore is an obvious choice both regarding saving, appearance, and performance.
  • STAINLESS STEEL CONCRETE SCREWS ARE RELIABLE AND DURABLE and used in many applications. It is widely used both for own repairs and for fixing parts of large production facilities.
  • CHOOSE OUR DECK SCREWS FOR GENERAL PURPOSE USE. They are intended for both manual and automatic screwing, twisting and tightening with the maximum force developed by any tool.
  • FANTASTIC CORROSION RESISTANCE. A set screw is used widely in the home and office appliance, communication equipment and other machinery industry.
  • 100% SATISFACTION GUARANTEE! We offer a great choice of self-tapping screws, Machine Screws, Socket Head Screws, hard drive screws, m3 m2 m4 screws, Wood Screws, Sheet Metal Screws. Just select a couple and Add to Cart!
  • See more on Amazon...

Brand: Bolts & Screws by S.S.   |   Manufacturer: Bolts & Screws by S.S.

Amazon Price: $97.78 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $97.78

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  #18

120 PCS 5/8-11x2-1/2" Grade 8 Hex Flange Screws Frame Bolts USS Coarse Phos & Oil

 Ean: 0769102960482   |    PartNumber: 62C250BFL8P-2955   |   Asin: B07NZCLFD8

High Strength Grade 8 hex flange screws at a wholesale price! These bolts feature a hex flange head and have a corrosion ressistant Phosphate & Oil coating

Features

  • 120 Piece Pack
  • Corrosion Resistant Phosphate & Oil Finish
  • Diameter/Pitch: 5/8-11 | Length Under Head: 2-1/2
  • Wrench Size: 15/16
  • Coarse Full Threads
  • See more on Amazon...

Brand: BoltsandNuts.com   |   Manufacturer: BoltsandNuts.com

Amazon Price: $118.11 | as of 04/19/2019(2:58pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $118.11

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