Bulk 4-40 Phillips Truss-Head Machine Screws – Black Oxide | Fully Threaded Length:10000 Qty - 4-40 x 3/8" Apply even torque to prevent

Apply even torque to prevent over-tightening or thread damage

Built to withstand harsh conditions

and dedicated customer support that have made us a trusted partner since 2012

Ensure superior fastening with M12-1

Bulk 4-40 Phillips Truss-Head Machine Screws – Black Oxide | Fully Threaded Length:10000 Qty - 4-40 x 3/8" Apply even torque to preventMonster Overview: Fix your project right the first time with Bulk 4 40 Phillips Truss Head Machine Screws finished in Black Oxide & Oil. Manufactured from AISI 10061022 low carbon steel, these precision sized screws are fully threaded and ideal for use in electronics, circuit board mounting, miniature enclosures, and hardware where space is tight and strength to size efficiency is key. Monster Bolts is your trusted source for micro fasteners in bulk,