It is made of pure copper, with an aperture error of 0.03mm. It has a thorough hole design. 2 bore lengths, each half the coupling!
It is widely used in motors, hardware, mould, and mechanical transmission. Welcome to wholesale customization!
1. The following 12 types, the outer diameter is 14mm, length is 22mm, use M4 machine screws for the side holes:
4-4, 4-5, 4-6, 5-5, 5-6, 5-8, 6-6, 6-8, 7-7, 7-8, 8-8mm
2 .The following 4 types, the outer diameter is 16mm, length is 22mm, use M4 machine screws for the side holes:
5-10, 6-10, 8-10, 10-10mm
3 .The following 3 types, the outer diameter is 20mm, length is 22mm, use M5 machine screws for the side holes:
8-12, 10-12, 12-12mm