Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Metric Standard_DIN 6923 The cup point design ensures

The cup point design ensures a strong grip while minimizing surface damage

✔️ Manufactured under Brighton-Best International’s Proferred® line

these washers are ideal for applications requiring superior load distribution and material protection under high stress

Single Size: 5⁄16″ overall length—fully threaded for maximum grip in thin materials

Automotive: Reliable fasteners for precise engine and component connections

Bulk 1/4″-20 Slotted Serrated Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Metric Standard_DIN 6923 The cup point design ensuresMonster 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