Bulk 3/8"-16 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Magnetic Available Sizes and Thread Types:

Available Sizes and Thread Types:

Zip them in with a 3/8″ nut-driver or service them later using a flat-blade screwdriver

then is passivated & wax-coated for added cleanliness

We offer a comprehensive range of US Inch sizes in both Fine (UNF) and Coarse (UNC) threads:

Bulk Packaging: Sealed master cartons—perfect for micro-electronics

Bulk 3/8"-16 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Magnetic Available Sizes and Thread Types:Monster Overview: Upgrade your build with Bulk 3 8" 16 Flat Head Socket Cap Screws from Monster Bolts. Made from high strength alloy steel and finished in a thermal black oxide coating, these screws deliver lasting durability, clean appearance, and consistent torque performance. The 82 flat head design provides a flush fit, ideal for industrial machinery, tooling, and precision assemblies. All Monster Bolts black oxide socket fasteners are RoHS