Bulk 5/8"-18 Socket Head Cap Screws – Alloy Steel, Black Oxide – USA Made – Monster Bolts Size_M22 Dual-Drive Head: Indented 1/4″ hex

Dual-Drive Head: Indented 1/4″ hex (3/8″ wrench) plus wide slot—socket

75mm Zinc Plated Class 12

The indent hex washer head (HWH) design allows improved torque transfer while the integrated washer surface helps distribute load and reduce pull-through

Tighten nut to expand the wedge clip and secure the anchor in place

Thread: Coarse thread (UNC) for common structural and equipment applications

Bulk 5/8"-18 Socket Head Cap Screws – Alloy Steel, Black Oxide – USA Made – Monster Bolts Size_M22 Dual-Drive Head: Indented 1/4″ hexMonster Overview: Precision manufactured in the USA, these Bulk 5 8" 18 Socket Head Cap Screws are built from high strength alloy steel and finished with a durable thermal black oxide coating. The fine UNF thread allows for superior tension control, making these screws ideal for applications requiring precise clamping and vibration resistance. All Monster Bolts USA made black oxide socket fasteners are fully RoHS compliant and ship directly from our