6pcs 5mm to 8mm Bore Rigid Shaft Coupler, Blue

Made of high-strength, rust-resistant aluminum alloy, this coupling withstands continuous operation in DIY and light industrial environments. The hardened M4 set screws provide a secure, vibration-resistant grip on your shafts. Specifications: Inside Diameter: 5mm to 8mm Bore Length: 25mm Outside Diameter: 14mm Thread: M4 Material: Aluminum Alloy Color: Blue Quantity: 6 Pieces Note: Due to manual measurement, please allow a deviation of 1 - 2mm.

• Package included: 6 x 5mm to 8mm bore aluminum alloy rigid coupling, 24 x M4 set screws 1 x L wrench for fastening. Length: 25mm, outside diameter: 14mm, thread: M4.
• Precision rigid coupling: Designed for high-accuracy applications where shaft alignment is critical. This is a rigid coupling that transmits torque with zero backlash, requires precise alignment of the 2 shafts during installation.
• Rigid coupling: Made of solid aluminum alloy, this coupler delivers exceptional rigidity, high torque capacity, and low rotational inertia. This ensures responsiveness and sensitivity for the motors,and precision drive systems.
• Easy installation: Comes with 24pcs M4 set screws, 1pc L wrench for easy and firm fastening attachment. Simply align your shafts, tighten the screws with L wrench, and achieve a solid connection in minutes.
• Wide applications: An essential component for 3D printers, CNC routers, laser engravers, small robotics, and automation projects. Suitable for connecting motors to lead screws, ball screws, or other driven shafts.