5/16-18 x 3/8 Coarse Thread Socket Set Screw Cup Plain MRTF188 It features a square pan

It features a square pan head that provides a secure hold and prevents slipping during installation

These nuts conform to DIN 934 standards

This 5/8-11 x 1 3/4 Hex Machine Bolt is a high-strength fastener designed for heavy-duty applications

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

8 x 20 ISO7380 Metric 6-Lobe Button Head Cap Screw Class 10

5/16-18 x 3/8 Coarse Thread Socket Set Screw Cup Plain MRTF188 It features a square pan5 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.