Bulk 5/16"-24 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Wrenchworx2 Our Steel Square Nuts are

Our Steel Square Nuts are manufactured from high-quality Grade 2 steel

Avoid aggressive abrasives or harsh chemicals that can dull the finish

Size: 1-1/2"-12 (Diameter: 1

Readily Available Stock: Ensures ample supply for large-scale projects

The 82° flat head seats fully flush—ideal for heavy machinery

Bulk 5/16"-24 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Wrenchworx2 Our Steel Square Nuts areMonster Overview: Combine strength and precision fit with Bulk 5 16" 24 Flat Head Socket Cap Screws from Monster Bolts. Made from premium alloy steel and finished with a thermal black oxide coating, these fasteners provide durability, clean appearance, and consistent performance. The 82 flat head design allows a fully flush mountideal for machinery, fixtures, and industrial assembly. All Monster Bolts black oxide socket fasteners are RoHS compliant