Metric Socket Head Cap Screw Black-Oxide Alloy Steel Partial Thread M30 * 3.5 * 160MM, Grade 12.9 [Allen Key] Quantity:Unity and marking

and marking

The bolts have a thread of 2-11-1/2 and a length of 1-1/2

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn’t need to align perfectly to the pipe

but their holding power lessens with each use

these pins have holes on

Metric Socket Head Cap Screw Black-Oxide Alloy Steel Partial Thread M30 * 3.5 * 160MM, Grade 12.9 [Allen Key] Quantity:Unity and markingThis socket head cap screw is 160 mm long and has a M30 * 3. 5 mm thread [partially threaded]. Made of black oxide alloy steel, it offers slight corrosion resistance in dry conditions. The cup point and 12. 9 grade increase its compressive strength and provide a tensile strength and hardness of 170,000 psi Rockwell C39. In addition, it has a shear strength of 102,000 psi. ISO Metric Pitch Coarse threads are an industry standard. These screws are