4-40 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded Black Oxide NK188 This 5/16" x 5/8" x

This 5/16" x 5/8" x

this #6 SAE Flat Washer Black Zinc is an essential component for any project requiring secure and reliable fastening

and the round head provides a finished look

It has a Phillips pan head and is fully threaded

and a hex shape that provides a secure grip

4-40 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded Black Oxide NK188 This 5/16" x 5/8" xThe 4 40 x 1 4 Slotted Binding Undercut Machine Screw Fully Threaded Black Oxide is a type of screw that is used to bind materials together. It is made of steel and has a black oxide finish. The screw has a slotted head and is fully threaded. It is 1 4 inch long and has a diameter of 4 40. The screw is designed to be used with a screwdriver.