Bulk 1-3/8"-6 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts Flange Button Zinc plating followed by a

Zinc plating followed by a bake treatment relieves hydrogen embrittlement and provides dependable indoor corrosion protection while remaining fully RoHS compliant

Duo Drive Flexibility: Install with a ⅜″ hex socket/wrench or a flat-blade screwdriver via the slotted indent

polished look

Tapped 3/8-16 and CNC-cut from corrosion-resistant aluminum

Bulk 1-3/8"-6 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts Flange Button Zinc plating followed by aMonster Overview: Fix your project right the first time with Bulk 1 3 8" 6 Socket Head Cap Screws from Monster Bolts. These heavy duty, large diameter fasteners are made from premium alloy steel and finished with a thermal black oxide coating that provides a smooth matte appearance and mild corrosion resistance. Perfect for high load mechanical, structural, and industrial applications that demand maximum clamping strength and durability. All Monster