Bulk 1/4"-20 Flat Head Phillips Thread Cutting Screws (Type F) – Zinc CR+3 – Monster Bolts 440128 Tighten screw until sleeve expands

Tighten screw until sleeve expands and locks securely

Matching Hardware: Pair these 1″-8 screws with our Bulk U

making these fasteners a strong choice for companies with modern environmental requirements

then factory wax-lubed to deliver consistently low seating torque

Each heat-treated carbon-steel screw is finished with a deep black-oxide conversion coating for low-glare corrosion protection

Bulk 1/4"-20 Flat Head Phillips Thread Cutting Screws (Type F) – Zinc CR+3 – Monster Bolts 440128 Tighten screw until sleeve expandsMonster 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,