Bulk 1/4"-20 Flat Head Phillips Thread Cutting Screws (Type F) – Zinc CR+3 – Monster Bolts 440128 Available in UNC & UNF

Available in UNC & UNF Threads: Suitable for both coarse and fine thread bolts and screws

vibration resistance

then factory wax-lubed to deliver consistently low seating torque

Tighten screw until sleeve expands and locks securely

Ideal Applications for Stainless Steel K-Lock Hex Locknuts:

Bulk 1/4"-20 Flat Head Phillips Thread Cutting Screws (Type F) – Zinc CR+3 – Monster Bolts 440128 Available in UNC & UNFMonster Overview: Fix your project right the first time with Bulk 1 4" 20 Flat Head Phillips Thread Cutting Screws (Type F) from Monster Bolts. These fasteners feature a Type F thread cutting design, cutting internal threads rather than rolling them, making them ideal for steel and other harder materials. The flat head design allows the screw to sit flush with the surface, while the Phillips drive offers broad tool compatibility for production,