7/16"-14 x 2-1/2" Socket Head Cap Screws, Alloy Steel, Black Oxide, 50 Pack | Fully Threaded. Internal hex (Allen) drive. ASME B18.3. High strength($64.99Value)

Description

CYLINDRICAL SOCKET HEAD - full-strength head that counterbores flush into machined pockets; the standard machine-building fastener INTERNAL HEX DRIVE - torque from directly above with an allen key or hex bit; works in counterbores and recesses no wrench can reach KNURLED HEAD, ROLLED THREADS - precision cold-formed threads spin on smooth and torque accurately CLASS 12.9 / ALLOY STEEL - the strongest common fastener class (170,000+ psi); black oxide finish; for tooling, machinery and high-load joints SPECS (7/16"-14 x 2-1/2") - 3/8" hex key; Class 12.9 alloy, black oxide; DIN 912 / ASME B18.3 geometry Socket Head Cap screws, 7/16"-14 x 2-1/2", Class 12.9 alloy steel with black oxide finish. The cylindrical head counterbores flush and carries full preload; drive with a 3/8" hex key or bit. Class 12.9 is the strongest standard fastener class - for machine tools, fixtures, dies and any joint torqued to spec. Precision rolled threads; pairs with standard 7/16"-14 nuts and tapped holes.