3/8"-16 x 1 Flat Head Socket Cap Screws, Alloy Steel, Black Oxide 100 Pack
3/8"-16 x 1 Flat Head Socket Cap Screws, Alloy Steel, Black Oxide 100 Pack
Flat Head Socket screws, 3/8"-16 x 1", Class 12.9 alloy steel with black oxide finish. The 82-degree countersunk head finishes dead flush; drive with a 5/16" 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 3/8"-16 nuts and tapped holes.
Product Features
- 82-DEGREE FLAT COUNTERSUNK - sits perfectly flush with the surface; for countersunk holes in plates, jigs and finished assemblies
- INTERNAL HEX DRIVE - torque from directly above with an allen key or hex bit; works in counterbores and recesses no wrench can reach
- ROLLED THREADS - precision cold-formed threads that 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 (3/8"-16 x 1") - 5/16" hex key; Class 12.9 alloy, black oxide; DIN 7991 / 82-deg countersink