Bulk 5/16″-18 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Indent HWH chips exit through the flute—no

chips exit through the flute—no nut required

Available in two order sizes: a convenient 10-pack for small projects or repairs

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

indented hex screw

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Bulk 5/16″-18 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Indent HWH chips exit through the flute—noMonster 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