Metric Flat Head Cap Screw Black-Oxide Alloy Steel Partial Thread M20 * 2.5 * 120mm Grade 12.9 [Allen Key] length_6-1-2 The strength of the bolt

The strength of the bolt should match the strength of the nut to prevent damaging threads

The inside threads have a 6-8 thread

Zinc-plated steel rod ends provide moderate corrosion resistance

The bolts have a thread of 3/8-16 and a length of 4-1/2

This hexagonal nut fit a threading of 1-8

Metric Flat Head Cap Screw Black-Oxide Alloy Steel Partial Thread M20 * 2.5 * 120mm Grade 12.9 [Allen Key] length_6-1-2 The strength of the boltThis flat head cap screw has a length of 120mm with a threading of M20 * 2. 5mm [Partially 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