It has a four sided square head at one end and a cup-shaped indentation at the other end

Collared prevailing torque metal locknuts are used in applications where assemblies are subject to vibration

3/8-24 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (175)

This high-quality heavy hex bolt is manufactured with 1-8 x 2 3/4 A325 Type 1 steel

763 inches for a 2" nut

1/4 -20 X 1 1/2 Fully Threaded UNC Aluminum 6061 T6 Indented Hex Head Bolt, Plain - Package (100) 5/8-18 Socket Cap Screws Thermal Black Oxide Alloy Domestic USA It has a four sidedFor medium duty fastening where weight and corrosion resistance are paramount, choose these 1 4 20 x 1 1 2 inch indented hex head bolts. Each bolt is precisely machined from 6061 T6 grade aluminum, providing a lightweight yet strong alternative to steel for applications such as signage, recreational vehicles, and custom electronics. The fully threaded design offers reliable engagement, and the plain finish highlights the natural durability of the