Hex cap screws, also known as Hex Bolts, which consists of 6 sides on the head, come in a variety of plating and materials.  We can supply zinc, zinc yellow, black oxide, magni, cadmium, and others. We offer both domestic and import products.  Our sizes start at 1/4” diameter and go up to 2-1/2”. The stock consists of both hex cap screw and fully threaded bolts also known as tap bolts. If we do not stock it, we will happy to see if it is something that we can make for you. We also carry some specialty and hard to find hex head cap screws such as 9/16"-12 and 9/16"-18. Whether you need to place a large order or a specialty fasteners order, you can count on KD Fasteners, Inc.®

Applications:

Stainless Steel Hex Cap Screws

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

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.™ 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, 440cC 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, Nitonic alloy 50, Nitrinic 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

300 Series Hex Cap Screws

300 Series Hex Cap Screws

KD Fasteners carries stainless steel hex cap screws in a number of different grades. Specifications for some of our more common grades are explained on this page.

Learn More »

316 SS Hex Cap Screws

316 SS Hex Cap Screws

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

Learn More »

Inconel Hex Cap Screws

Inconel Hex Cap Screws

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

Learn More »

Monel Hex Cap Screws

Monel Hex Cap Screws

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

Learn More »

Titanium Hex Cap Screws

Titanium Hex Cap Screws

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

Learn More »

Seat Belt Hex Cap Screws

Seat Belt Hex Cap Screws

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

Learn More »

Aluminum Hex Cap Screws

Aluminum Hex Cap Screws

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

Learn More »

Hex Cap Screws Steel & Other Materials

Hex Cap Screws 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.

Learn More »