2mm/3mm/3.17mm/4mm/5mm/6mm/6.35mm/7mm/8mm/10mm Aluminum Rigid Shaft Coupler Rigid Coupling Motor Connector

Notice: different sizes have their different colors, please read the follwing table at the description carelly.

Material: Aluminum Alloy

Three Size Coupler

(1)  Diameter * Length - 12*20mm, color is dark red

(2)  Diameter *Length - 14*25mm, color is red, dark blue and water blue

(3)  Diameter *Length - 16*25mm, color is water blue

Screw Hole Diameter: 4mm

Transfer Pore Diameter: multiple Specification

Pore Diameter Tolerance: +0.02mm

For example: the Specification "4mm-6mm" means "one hole diameter of the coupler is 4mm ,the other is 6mm"

Package Included:

Coupler x 1

M4 Screw x 2