Bulk 5/16″-18 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Indent HWH Marine-Grade Quality: Constructed from 316

Marine-Grade Quality: Constructed from 316 (A4) stainless steel for maximum durability

chips exit through the flute—no nut required

Buy with confidence — each Monster Bolts bulk order is backed by strict inspection

ensuring straightforward assembly and disassembly

Available Sizes: NE (Standard Height): 1/4"-20 to 1-1/2"-12

Bulk 5/16″-18 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Indent HWH Marine-Grade Quality: Constructed from 316Monster Overview When high clamp load and mild vibration resistance are mission critical, reach for 5 16 18 Slotted Serrated Hex Washer Thread Cutting Screws. A toothed flange locks the head to the work surface, eliminating the need for a separate lock washer, while the integral washer distributes load on thin plate. Heat treated carbon steel is finished in brilliant bright zinc plating, hydrogen relief baked to IFI spec, then factory dry waxed for