Bulk 3/8"-16 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Magnetic then is passivated & wax-coated

then is passivated & wax-coated for added cleanliness

Upgrade your toolset with our 12-piece hex key set

while the square drive (also commonly known as Robertson drive) delivers superior torque transfer and reduced cam-out compared to slotted or Phillips drive styles

Available Sizes and Thread Types:

Observe the silicone being expelled from the indicators

Bulk 3/8"-16 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Magnetic then is passivated & wax-coatedMonster 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