Bulk 1/4"-20 Phillips Pan Thread Cutting Screw Type 23 – Full Thread Black Oxide (1/2" & 3/4") Thremoplastic The built-in serrated flange bites

The built-in serrated flange bites into the mating surface for vibration-resistant clamping

reusable threads in untapped holes—slashing assembly time while delivering outstanding vibration resistance in aluminum

Our Grade 8 5/16-18 Hex Flange Screws are engineered for applications requiring superior strength and durability

Bulk Master Cartons: Production-volume quantities at industrial-grade savings

Bulk 1/4"-20 Phillips Pan Thread Cutting Screw Type 23 – Full Thread Black Oxide (1/2" & 3/4") Thremoplastic The built-in serrated flange bitesMonster Overview: Upgrade your builds with 1 4 20 Phillips Pan Head Thread Cutting Screws, Type 23, Black Oxide from Monster Bolts. Type 23 screws feature a triangular clearance slot at the tip, removing more material than line slotted Type 1 or Type F styles. The result: lower driving torque, cleaner internal threads, and reduced chip clogging in thicker sheet metal, aluminum, or mild steel. An oil treated black oxide finish delivers a low glare