Bulk 5/16″-18 Indented-Hex Thread-Cutting Screws — Type F, Bright-Zinc Steel Head Type_External Hex are specifically designed for applications

are specifically designed for applications requiring a larger bearing surface

Master cartons drive per-unit cost down for high-volume assembly

and the Phillips drive ensures easy installation

Optimise thermoplastic assemblies with #6-19 Phillips Flat Head 48-2 Thread-Forming Screws in high-strength 410 martensitic stainless steel

Bulk 5/16″-18 Indented-Hex Thread-Cutting Screws — Type F, Bright-Zinc Steel Head Type_External Hex are specifically designed for applicationsMonster Overview: Designed for trailer frames, dock plates, heavy gauge sheet metal and hardwood to steel joins, these 5 16 18 Indented Hex Thread Cutting Screws put bolt level clamp force on tapno backing nut required. The external hex drive takes sockets or impact drivers for fast, high torque installation. Each heat treated carbon steel blank is finished in brilliant bright zinc, hydrogen relief baked to IFI spec, then coated with a factory dry wax