3/4/5/6/7/8/10Mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connecto

Specification: Aluminum alloy is light, the top screw is 90 degrees design; 45# steel hardness is high, the top screw is 180 degrees design. If you want to aluminum coupler ,please buy Aluminum Coupling Material:45# steel,hardened by heat treatment, and then electroplated Inner Diameter:3mm,3.17mm,4mm,5mm,6mm,6.35mm Cylindrical Diameter:10mm; Cylinder Height:10mm; Overall Height:12mm; Fixed Hole Screw:M3 Fixed Hole Distance:16mm Inner Diameter:7mm,8mm,10mm,11mm,12mm Cylindrical Diameter:16mm; Cylinder Height:10mm; Overall Height:13mm; Fixed Hole Screw:M4 Fixed Hole Distance:26mm(11mm/12mm/14mm);24mm(others) Inner Diameter:14mm Cylindrical Diameter:18mm; Cylinder Height:10mm; Overall Height:13mm; Fixed Hole Screw:M4 Fixed Hole Distance:26mm Package Included: Coupler x 1 Spanner x 1 Screw x 2 The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.