Bulk #4-40 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts 12.9 snag-free finish with M3 Flat

snag-free finish with M3 Flat (Countersunk) Socket Cap Screws in bulk

Hex keys available here

maintaining clamp force and joint integrity even in short grip length joints

Upgrade your fastening solutions with our premium 3/4-10 Hex Flange Bolts

Bulk #4-40 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts 12.9 snag-free finish with M3 FlatMonster Overview: Fix your project right the first time with Bulk #4 40 Socket Head Cap Screws from Monster Bolts. Built from premium alloy steel and finished with a thermal black oxide coating, these screws provide strength, consistency, and a professional black finish ideal for mechanical, electrical, and industrial applications. All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U. S. warehouse.