Flexible Shaft Couplings, 4 Pcs Aluminum Alloy 5mm to 8mm Stepper Motor Top Tight Coupler Connector for RepRap 3D Printer CNC Machine

Description

Specifications: Material: Aluminum Alloy Color: Silver Product Size: 25mm x 18mm / 0.98 x 0.75 inch (L x W) Hole Diameter: 5mm to 8mm / 0.19 to 0.31 inch Simple structure, easy to install,damping and wear-resistant. Elastic coupling can eliminate the stress between the motor and the drive parts. Compatible with NEMA 17 stepper motors for 5mm to 8mm shaft diameter. The shaft couplers are mainly used for servo motors, spindle, step motor etc. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-2 mm. Package includes: 4 * 3D Printer Flexible Couplings