6X1/4 One Half Round Spacer Nylon 5/16-12 It has a square head

It has a square head that provides a secure hold when tightened

and a flat undercut head that sits flush with the surface of the material it is being used in

These 0-80 x 9/32 slotted pan machine screws are fully threaded and made of 18-8 stainless steel

This screw has a slotted indented hex washer head

6X1/4 One Half Round Spacer Nylon 5/16-12 It has a square head6X1 4 One Half Round Spacer Nylon is a small, cylindrical spacer made of nylon. It has a diameter of 6mm and a height of 1 4 inch. The spacer has a half round shape, with one flat side and one rounded side. The flat side is designed to rest against the surface of the object being spaced, while the rounded side provides clearance for the next object. These spacers are commonly used in a variety of applications, including electronics, construction, and