Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel 440308 Built for strength

Built for strength

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

secure installation

Our Metric Tee Nuts with a Zinc CR+3 finish are perfect for applications requiring a strong

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

Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel 440308 Built for strengthMonster 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