Bulk 1-3/4"-5 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts Size_# 4-40 These anchors use a 360°

These anchors use a 360° wedge expansion system to secure permanently in solid concrete

while the 82° countersunk flat head sits perfectly flush

They are ideal for automotive engines

Available in other materials and colors

Dual-Drive Convenience — Indented #10 hex (¼″ wrench) plus broad slot—install with a socket

Bulk 1-3/4"-5 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts Size_# 4-40 These anchors use a 360°Monster Overview: Fix your project right the first time with Bulk 1 3 4" 5 Socket Head Cap Screws from Monster Bolts. These large diameter, high torque fasteners are made from premium alloy steel and finished with a thermal black oxide coating for a clean, uniform matte finish and mild corrosion protection. Perfect for mechanical, industrial, and structural applications where strength and reliability are critical. All Monster Bolts black oxide socket