Fastener M4-M20knurled threaded insert brass nut

★Insert Nut, Copper alloy material, corrosion resistance, high hardness, moisture resistance, not easy to rust. ★Knurled insert nut, Exquisite workmanship, complete and round appearance, excellent workmanship, worthy of purchase. ★threaded insert nut, Deep thread, even pitch, smooth surface, no burr. ★brass insert nut Both sides of the chamfer can pass the stop gauge, and it is not easy to slip in the process of even rotation. ★Brass Nut, It is used for locking, sealing,...