Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel 440308 1-1/8-7 hex nuts (Made in

1-1/8-7 hex nuts (Made in USA)

25 mm (ultra-fine) Drive Size Hex 10

secure installation

✔️ Trusted by professionals in machinery

Thread: 48-2 Thread-Forming tri-lobular (functional ≈ 9 TPI)

Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel 440308 1-1/8-7 hex nuts (Made inMonster Overview Need clamp force, washer coverage and vibration grip in one fastener? Our 1 4 20 Slotted Serrated Hex Washer Thread Cutting Screws do it allideal for trailer frames, dock plates, heavy gauge steel, truck bodies and hardwood to steel builds. Teeth under the flange dig into the mating surface for mild vibration resistance, while the built in washer spreads loadso you can skip separate lock washers and nuts. Heat treated carbon steel