Cal-Fasteners, Inc.
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Flat Head Cap Screws
Flat Head Socket Cap Screws are designed to be seated in countersunk holes, and align flush with the surface of the assembly when installed. Flat head socket cap screws have a flat top surface, an indented hex and a conical bearing surface with a head angle of 82°. Flat head socket cap screws are commonly used in machine parts, die fixturing, and clamping.
Flat Head Cap Screws Diameters
Flat Head Cap Screws are available on the FCH Network with Imperial/US diameters that range from #0 to 6 and with Metric diameters that range from M1.6 to M90. The length of Flat Head Cap Screws is usually measured from the point to the underside of the head.
Flat Head Cap Screws Lengths
Flat Head Cap Screws are available on the FCH Network with lengths that range from 1/8 to 19.
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Flat Head Cap Screws Materials
Flat Head Cap Screws are available on the FCH Network in materials that range from Steel to Plastic
- 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
- Phosphor Bronze
- Silicon Bronze
- Nylon (Polyamide)
- Plastic
Flat Head Cap Screws Finishes
Flat Head Cap Screws are available on the FCH Network in finishes or coatings that range from Plain to Tin Plated
- Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)
- Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)
- Fluoropolymer-Based (Xylan, Fluorokote, Teflon)
- Free Zinc Basecoat + Ceramic Topcoat (Ruspert, Ruspro, Dagger-Guard, etc.)
- Multi-Layer Zinc/Epoxy-Fluoro Top Coating (Stalgard, Primeguard+, etc.)
- Nickel Plated
- Non-Electrolytic Zinc & Aluminum Flakes + Matrix
- Painted
- Passivated
- Phosphate
- Silver Plated
- Tin Plated