Bulk #4-40 x 1/2" Indented Hex-Washer Head Taptite Alternative Thread-Rolling Screws, Full Thread, 410 Stainless, Passivated + Wax – Monster Bolts DIN EN1664 Thread Options: Available in both

Thread Options: Available in both Coarse (UNC) and Fine (UNF) threads for various uses

Our L-9 SAE Tension Flat Washers are available in the following sizes:

and other ductile metals—leaving a chip-free

these screws ensure dependable performance in standard and outdoor environments

Bulk #4-40 x 1/2" Indented Hex-Washer Head Taptite Alternative Thread-Rolling Screws, Full Thread, 410 Stainless, Passivated + Wax – Monster Bolts DIN EN1664 Thread Options: Available in bothMonster Overview: Bulk #4 40 Indented Hex Washer Head Taptite Alternative Thread Rolling Screws from Monster Bolts unite a compact high torque hex drive with an integrated washer that spreads load and safeguards finishes. Forged from hardened 410 stainless steel (martensitic, magnetic), these trilobular fasteners roll form robust, reusable threads in untapped holescutting assembly time while supplying exceptional strength and vibration resistance in