5/16 High Collar Split Lock Washer Plain WI188 This 3/8-16 square machine screw

This 3/8-16 square machine screw nut is made of zinc-plated steel and is designed for use with 3/8-16 machine screws

The 3/8-24 x 1 3/4 Hex Tap Bolt Grade 5 Fully Threaded Zinc is a high-quality fastener designed for use in a variety of applications

The hex head design allows for easy installation and removal with a standard wrench

and the domed head provides a finished appearance

automotive repair

5/16 High Collar Split Lock Washer Plain WI188 This 3/8-16 square machine screwThis 5 16" high collar split lock washer is designed to prevent nuts and bolts from loosening due to vibration or movement. It is made of hardened steel for durability and has a plain finish. The high collar provides additional support and prevents the washer from embedding into the surface. The split design allows for easy installation and removal. This lock washer is commonly used in automotive, construction, and industrial applications.