5/16-18 x 3/8 Coarse Thread Socket Set Screw Cup Plain MRTF188 This 1/4-20 x 1 1/4

This 1/4-20 x 1 1/4 Carriage Bolt is made of Grade 8 steel and has a fully threaded design

It is suitable for use with M4 screws or bolts

These nuts conform to DIN 934 standards

This type of head is often used in applications where the screw head needs to be flush with the surface of the material being fastened

5/16-18 x 3/8 Coarse Thread Socket Set Screw Cup Plain MRTF188 This 1/4-20 x 1 1/45 16 18 x 3 8 Coarse Thread Socket Set Screw Cup Plain is a headless screw with a hexagonal socket drive and a plain finish. It is made of steel and has a coarse thread pitch of 18 threads per inch. The screw has a diameter of 5 16 inch and a length of 3 8 inch. It is used to secure objects in place and can be tightened or loosened with a hex key.