Feature: 1. SLIDING DESIGN: Cross type slider coupling, with sliding design that can more effectively compensate for radial and angular deviations. 2. ALUMINUM ALLOY: This flexible coupler is made of excellent aluminum alloy, with high strength, corrosion resistance, and good electrical insulation. 3. DETACHABLE TYPE: The flexible shaft coupling is detachable, with clamping screw fastening method, making it easy to install and disassemble. 4. HIGH TORSION: Rated torsion is 19N.M, capable of absorbing vibration, with a rotation speed of 3000rpm, good response, not easy to loosen. 5. APPLICATIONS: This shaft coupler is mainly used for CNC machine tools, servo motors, spindles, stepper motors, etc., convenient and practical. Specification: Item Type: Flexible Coupler Model: D50L58 Product Size: Approx. 50 x 58mm / 2 x 2.3in Rated Torsion: 19N.M Allowable Eccentricity: 3mm Allowable Deviation Angle: 3mm Maximum Speed: 3000rpm Static Torsion Stiffness: 800N.M/rad Commonly Use D1 D2 Shaft Diameter: 10mm, 11mm, 12.7mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 22mm, 24mm Thread: M6 Shaft Sleeve Material: High Strength Aluminum Alloy Plastic Block Material: PA66 Finish Treatment: Anodizing Treatment. Package List: 1 x Flexible Coupler