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Hex Head Cap Screws and Hex Head Bolts

Auto Bolt manufactures hexagon head bolts and cap screws to the customer’s print or specification. Special dimensions, such as head heights, head types, and thread lengths, can be produced. Configurations are available in either inch or metric sizes. Special tooling can be created to produce nonstandard headmarks.

Size Ranges
Inches Metric
Diameter Range 1/4" – 1 1/8" M6 – M27
Length Range 3/8" – 11 3/4"
Standard Materials
Description
Carbon Steels SAE 1008, 1010, 1018, 1038, 1335, 1541, and 10B21
Alloy Steels SAE 4037, 4140, 5140, 8620, 8637, and 8740
Stainless Steels 302, 304, 316, 300 & 400 Series
Coatings
Options Zinc, zinc yellow, phos & oil, black oxide, cadmium, and organics. Other coatings on request.
Manufacturing
Standards Auto Bolt manufactures certified quality products using industry standards such as ASTM, ASME, ANSI, SAE, ISO, and DIN.
Order Quantity In many instances we are able to manufacture 2,500 pieces, depending on the diameter and geometry of the part.