hex bolts grade 8KD Fasteners is a hex bolts distributor and hex head bolts supplier. Hex bolts, also known as hex cap screws, have 6 sides on the head and come in a variety of plating and materials, including zinc, zinc yellow, black oxide, magni and cadmium. We offer both domestic and import products in sizes from 1/4" to 2-1/2" diameter.

What Is a Hex Bolt?

A hex bolt has a six-sided head and is also known as a hex cap screw. Fully threaded hex cap screws are called tap bolts. Heavy hex bolts have a larger head than a standard hex bolt.

Hex bolts can be used in a wide variety of fastening applications, including wood, steel and other industrial applications. Our hex bolts have been used in buildings, bridges and other industrial needs.

Hex Bolt Sizes and Custom Hex Bolts

Our hex bolts range from 1/4" to 2-1/2" in diameter, and our line includes both hex cap screws and fully threaded tap bolts. If you need a hex bolt outside our standard line, we will be happy to see if it is something we can custom make for you.

Hex Bolt Materials

Steel Alloy Materials

KD Fasteners, Inc.® uses the following steel alloy materials: Grade 2, grade 5, grade 8, 1008, 1010, 1038, 4037, B5, B6, B7, B7M, B16, B8, B8M, L7, A490, A325, 2H and more.

Non-Ferrous Materials

KD Fasteners, Inc.® is a hex head bolts supplier that uses a wide variety of materials to suit any fastener application. A few that we provide include:

  • Stainless steel: 302, 303, 304, 304L, 309, 310, 316, 316B, 316L, 317, 317LM, 321, 330, 347, 410, 416, 422, 430, 431, 440C and 501
  • Aluminum: 2024, 6061 and 7075
  • Brass and bronze: aluminum bronze, silicon bronze 655, silicon bronze 651, phosphorous bronze, brass, naval brass
  • Exotics: 904L, alloy 50, alloy 60, alloy 20, Ferralium 255, Tantalum, A-286, Haynes 230, titanium, Nitronic alloy 50, Nitronic alloy 60, Waspaloy, Zirconium, Monel Nickel 200, nickel alloy C276, nickel alloy B, B3 and G-3
  • Inconel alloys: 600, 601, 625, 718, 800, 800H, 825, 925 and X750
  • Hastelloy: C-276, B, C-4, G, C-2000, X, and C-22
  • Monel: 400, 405, K500, and 200

Request a Quote for Hex Bolts

Send us the grade or material, diameter, length, plating and quantity you need, and we will quote your hex bolts.

FAQs

What is a hex bolt?

A hex bolt has a six-sided head and is also known as a hex cap screw. Fully threaded hex cap screws are called tap bolts.

What sizes do hex bolts come in?

Our hex bolts range from 1/4" to 2-1/2" in diameter.

What platings are available for hex bolts?

Zinc, zinc yellow, black oxide, magni, cadmium and others.

What is the difference between a hex bolt and a heavy hex bolt?

A heavy hex bolt has a larger head than a standard hex bolt.

Do you supply domestic hex bolts?

Yes. We offer both domestic and import hex bolts.

Hex Bolts by Material

Browse our hex bolts by material:

Hex Bolts Steel & Other Materials

Hex Bolts Steel & Other Materials

KD Fasteners, Inc.® uses the following steel alloy materials: Grade 2, grade 5, grade 8,1008,1010,1038,4037, B5, B6, B7, B7M, B16, B8, B8M, L7, A490, A325, 2H and more.

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300 Series Hex Bolts

300 Series Hex Bolts

KD Fasteners carries 300 series stainless steel hex bolts in different grades. Specifications for some of our more common grades are explained on this page.

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316 SS Hex Bolts

316 SS Hex Bolts

316 and 316L stainless steel are a molybdenum-bearing austenitic stainless steel. Visit our 316 stainless steel hex bolts page to learn more.

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Aluminum Hex Bolts

Aluminum Hex Bolts

Light weight and corrosion resistant, aluminum hex bolts are easy to clean and require almost no maintenance.

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Inconel Hex Bolts

Inconel Hex Bolts

Inconel hex bolts are high strength bolts that are excellent against corrosion resistance and extreme temperatures. Click to learn more about our selection of inconel hex bolts. We carry them in various grades of inconel.

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Monel Hex Bolts

Monel Hex Bolts

Monel is well known for their resistance to corrosion when introduced to hydrofluoric acid and other harsh environments.

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Titanium Hex Bolts

Titanium Hex Bolts

KD Fasteners carries titanium hex bolts in both standard and metric sizes. Grades 1-4 titanium hex bolts have the highest corrosion resistance.

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Seat Belt Hex Bolts

Seat Belt Hex Bolts

Vehicle Hex Bolts are designed to meet or exceed your automobile manufacturer's standards for quality

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