Made of drop-forged, chrome vanadium steel, black surface finish, heavy duty. ANSI B107.6, Fed'l Spec. GGG-W-636e. Sizes 2-5/8", 2-3/4", 2-15/16" are made of carbon steel.
Made of drop-forged, chrome vanadium steel, black surface finish, heavy duty.
ANSI B107.6, Fed'l Spec. GGG-W-636e.
Sizes 2-5/8", 2-3/4", 2-15/16" are made of carbon steel.