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Six Lobe Bolts

Auto Bolt manufactures bolts with a six-lobe head, both internally and externally driven, to the customer’s print or specification, with a minimum order quantity of 2,500 pieces. 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

Inch
Diameters: 1/4" – 1 1/8"
Lengths: 3/8" – 11 3/4"

Metric
Diameters: M6 – M24

Standard Materials

Carbon Steels: SAE 1008, 1010, 1018, 1038, 1541, and 10B21
Alloy Steels: SAE 1335, 4037, 4140, 5140, 8620, 8637, and 8740
Stainless Steels: 302, 304

Coatings

Zinc, zinc yellow, phos & oil, black oxide, cadmium, and organics. Other coatings on request.

Manufacturing

Auto Bolt manufactures certified quality products using industry standards such as ASTM, ASME, ANSI, SAE, ISO, and DIN.

Six Lobe Bolts
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