Bulk 1/4"-20 Unslotted Indented Hex Washer Thread Cutting Screw Type 1 – Full Thread Zinc-Bake Size_# 3-48 Heavy Machinery Assembly: Suitable for

Heavy Machinery Assembly: Suitable for equipment requiring high-strength fasteners

and high-stress assemblies

Secure Locking Mechanism: Teeth bite into the fastener head and mating surface for a strong connection

All stock is fully threaded—simply choose your required length from the drop-down above

Flush 82° Flat Head: Seats smooth in panels

Bulk 1/4"-20 Unslotted Indented Hex Washer Thread Cutting Screw Type 1 – Full Thread Zinc-Bake Size_# 3-48 Heavy Machinery Assembly: Suitable forMonster Overview: Fix your project right the first time with 1 4 20 Unslotted Indented Hex Washer Head Thread Cutting Screws, Type 1, Zinc Bake Finish from Monster Bolts. A single cutting edge and tapered machine screw threads carve precise internal threads in sheet metal, channel, and other ductile materials. The integrated washer head spreads load without a separate washer, and the unslotted design installs quickly with a standard 3 8 hex socket or