Choose from our selection of ASTM A307 bolts, including hex head screws, socket head screws, and more. In stock and ready to ship.

The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 …

The recommended nut specification for A307 is ASTM A563 Grade A. This is a low-strength steel nut that can be made in either hex or heavy hex patterns. For A307 grades A and C the …

ASTM A307 specifications covers 2 bolting grades with requirements for chemical composition, mechanical properties, heat-treatment, recommended nuts-washers and bolt markings.

High Quality A307 Grade A Full Thread Carriage Bolts available by the piece, package, or bulk. Save on wholesale fasteners at BoltsandNuts.com! Free Shipping on Orders $25+

As a leading Hex Bolts A307 distributor, Bayou City Bolt keeps ASTM A307 and A307B hex bolts in stock. We also stock the ASTM A563 Hex Nuts (Heavy and Finish) to go with these bolts. …

ASTM A307 specification covers requirements for chemical composition, mechanical properties, hardness, heat-treatment and recommended nuts-washers for Grade A Bolts.

FMW Fasteners' A307A zinc-plated hex bolts can attach various materials to each other with ease. They're also corrosion-resistant thanks to the zinc plating, which makes them ideal for …

Diamond Bolt Inc keeps ASTM A307 and A307B hex bolts in stock. We also stock the ASTM A563 Hex Nuts (Heavy and Finish) to go with these bolts. The ASTM A307 specification …

These ASTM A307 bolts are designed, manufactured and tested to comply with the standards set by ASTM A307 for chemical composition, hardness, tensile strength, yield point, elongation, …