Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel 440308 Made to DIN 6923 standards

Made to DIN 6923 standards

25 mm (ultra-fine) Drive Size Hex 10

9 alloy steel construction ensures peak tensile and preload capacity

then a factory wax film that delivers consistently low seating torque

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 Made to DIN 6923 standardsMonster 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