15mm to 20mm Shaft Plum Shaped Coupling Coupler 40mm Diameter 55mm Length Flat Polypropylene Webbing Straps there are 6 different cement

there are 6 different cement drill bit sizes

The red line is to control the upper ball valve (threaded down)

Temperature Range: 0 to 400

Hole Diameter

This specification pvc heat shrink tubing suit for packaging the 18650 battery

15mm to 20mm Shaft Plum Shaped Coupling Coupler 40mm Diameter 55mm Length Flat Polypropylene Webbing Straps there are 6 different cementSuper torque can absorb vibration, appropriate a large torque transmission. Wear resistant, high hardness and excellent response. Mainly used for servo motors, spindle, step motor etc.. NOTE: The shaft coupler is not elastic, can not modify the concentricity. Shaft must be located in a straight line. If your equipment is eccentric already, then it will make noise and cause off centering. Please be cautious before your final purchasing, thank you.