45# Steel Rigid Shaft Coupler, 12mm/14mm Same-Diameter Straight Coupling for Motors & DIY Projects

High-concerned chemical : None Standard or Nonstandard : Standard Flexible or Rigid : Rigid Model Number : Rigid Shaft Coupling Material : STEEL Origin : Mainland China

Product Description High-Strength 45# Steel Construction: Made of durable 45# steel with a smooth silver finish, these rigid couplings provide exceptional torque transmission and wear resistance, ideal for high-load applications. Precision Same-Diameter Sizes: Available in two standard options: 12mm to 12mm (fits two 12mm diameter shafts) 14mm to 14mm (fits two 14mm diameter shafts) Each coupler features precisely machined bores for a tight, wobble-free fit. Secure Set Screw Locking: Includes set screws and an Allen wrench for installation, firmly locking shafts in place to prevent slippage during operation. ️ Reliable Power Transmission: The straight, rigid design ensures zero backlash and accurate alignment, perfect for motors, CNC machines, robotics, and mechanical builds.

Specifications Material: 45# steel Available bore sizes: 12mm×12mm, 14mm×14mm Finish: Natural steel (silver tone) Quantity: 1 piece per set (includes coupler, set screws, and Allen wrench)

Package Includes 1 × 45# steel rigid shaft coupler (selected size: 12×12mm or 14×14mm) 1 × Allen wrench Set screws for installation

Note Verify shaft diameter and coupler bore size match before installation. Tighten set screws evenly to ensure a secure connection without damaging the shaft.