3pcs Rigid Shaft Coupling 5mm to 8mm Bore L23xD18 Shaft Coupler Connector for 3D Printer Stepper Motor CNC Machine NO5122

Features:

Rigid shaft coupling, compatible with 3D printer, CNC machine, stepper motor, etc.

5mm to 8mm bore, total length 25mm, outside diameter 14mm.

Made of high quality aluminum alloy, durable and wear resistant.

High torque with rigidity, low intertia and excellent sensitivity.

Compatible with NEMA 17 stepper motors(for 5mm shaft diameter).

Specifications:

Color: Silver

Material: Aluminum Alloy

Quantity: 1pc/ 2pcs/ 3pcs

Bore Diameter: 5mm to 8mm

Outside Diameter: 18mm

Length: 23mm

Weight(each): 18.5g/ 0.7oz

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