D25 x L40 Clamping Coupling Aluminum Alloy Shaft Coupling for Engraving Machine(D25*L40 Inner Hole 6.35 to 8 )

Made of high quality aluminum alloy, high hardness, strong wear, good heat resistance.

treatment to improve the service life of coupling. Simple structure, small radial size, light weight, small inertia. Condition: 100% Brand New Item Type: Clamping Coupling Material: Aluminum Alloy Size(L x D): Approx. 40 x 25mm Celsius 1.6 x 1in