B7 Alloy Studs
Designed for high temperature, high strength applications, these studs meet ASTM A-193 Grade B7 specifications. Clearly stamped at one end and properly chamfered. Stocked in diameters from 1/2" to 4". Special lengths can be cut to order.
Groupcodes represented: B7STD, B7STDTC
Part# examples: 50U175B7STD, 62U1200B7STD, 200U1800B7STD, 75U400B7STDTC
L7 Bolts / L7 Studs
These bolts meet the ASTM designation A320/A320M grade L7. This
specification covers alloy steel bolting materials for pressure
vessels, valves, flanges, and fittings for low temperature service.
Head markings for an L7 bolt is a stamped 'L7' somewhere on the head. See common head markings for hex bolt grade differences.