3mm to 4mm Shaft Flexible Coupling

3mm to 4mm Shaft Flexible Coupling
This high-elasticity wire winding assembly coupling, can cushion, reduce vibration damping, improve shaft system dynamics,reduce failure rate.

Type: F6061AC-3C4
SKU: F6061AC-3C4

Feature
High Rigidity · High Response · High Torque · Aluminum Alloy · Zero Backlash
High-Elasticity Wire Winding Assembly
Machined from 6061 Aluminum Bar Stock：better Elasticity, higher Hardness
Inner Hole H6 Precision，High Concentricity​： High Strength · High Precision Concentricity · High-Speed Rotation · Eccentricity-Free
​​90-Degree Double Set Screw​：Grade 12.9 High-Strength Screws , M4 Double Set Screw at 90 Degrees, Anti-Eccentricity, Non-Slip​

Hole: 3mm to 4mm
Fram size: OD 19 x L25 mm
Material:​ #6061 Aluminium-T6
Packing list:
1x 3mm-4mm coupling
4x M4 top screw
1x wrench