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Hex Cap Screws
Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.
Hex Cap Screws Diameters
Hex Cap Screws are available on the FCH Network with Imperial/US diameters that range from 1/8 to 5 and with Metric diameters that range from M1 to M100. The length of Hex Cap Screws is usually measured from the point to the underside of the head.
Hex Cap Screws Lengths
Hex Cap Screws are available on the FCH Network with lengths that range from 5/32 to 19.
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Hex Cap Screws Materials
Hex Cap Screws are available on the FCH Network in materials that range from Steel to Rubber, Buna-N, Neoprene etc.
- Class 4.8
- Class 5.8
- Class 6.8
- Class 8.8
- Class 9.8
- Class 10.9
- Class 12.9
- 300 Stainless (A1,A2, 18-8,304,310 etc.)
- 316, 317, A4 Stainless
- 400 Stainless (405, 410,416,420,430 etc.)
- Duplex Stainless (2205, Ferralium etc.)
- Ni-Cu Alloy (Monel, K-Monel, etc.)
- Superalloy (Inconel, Hastelloy, Alloy 20)
- Titanium
- Copper
- Aluminum
- Brass
- Silicon Bronze
- Nylon (Polyamide)
- Plastic
- Rubber, Buna-N, Neoprene etc.
Hex Cap Screws Finishes
Hex Cap Screws are available on the FCH Network in finishes or coatings that range from Plain to Tin Plated
- Chromate Conversion (Iridite, Alodine)
- Chrome Plated
- Copper Plated
- Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)
- Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)
- Fluoropolymer-Based (Xylan, Fluorokote, Teflon)
- Nickel Plated
- Non-Electrolytic Zinc & Aluminum Flakes + Matrix
- Painted
- Passivated
- Phosphate
- Silver Plated
- Tin Plated