Bulk 5/16″-18 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel BULKUSHex Matching Hardware: Pair these 1-1/4″-7

Matching Hardware: Pair these 1-1/4″-7 screws with our Bulk U

Why Choose Our Grade 2 Square Nuts

flank maximises pull-out strength in ABS

9 alloy steel ensures Grade 8 comparable performance

Featuring a flat head design for flush mounting

Bulk 5/16″-18 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel BULKUSHex Matching Hardware: Pair these 1-1/4″-7Monster 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