Metric Socket Head Cap Screw Black-Oxide Alloy Steel Full Thread M30 * 3.5 * 55MM Grade 12.9 [Allen Key] locking The screws have a thread

The screws have a thread of 1-8 and a length of 10

Also known as hammer locks and sling links

They thread on from the bottom of the nut

The hook opening accommodates large anchor points and allows chain to move freely through the closed hook

The screw has a length of 14 and a diameter of 5/8

Metric Socket Head Cap Screw Black-Oxide Alloy Steel Full Thread M30 * 3.5 * 55MM Grade 12.9 [Allen Key] locking The screws have a threadThis socket head cap screw has a length of 55mm with a threading of M30 * 3. 5mm [Fully Threaded]. It is made of Black Oxide Alloy Steel and thus provides a mild resistance to corrosion in dry environments. The cup point and the Grade 12. 9 increases its strength against the pressure and has a tensile strength and hardness of 170,000 psi Rockwell C39. Furthermore, it features a shear strenght of 102,000 psi. ISO Metric Pitch Coarse threads are an