Aluminum Flexible Coupling Coupler Helical Shaft 6MM X 6.35MM

D19L25 Aluminum Flexible Coupling 6×6.35×25mm is a high-precision shaft coupler used to connect two shafts of different or similar diameters while accommodating slight misalignments. This model offers excellent flexibility, corrosion resistance, and torsional rigidity, making it ideal for 3D printers, CNC machines, and robotics.

Key Features of D19L25 Shaft Coupling:

• • Material: High-strength aluminum alloy
  • Outer Diameter: 19mm
  • Length: 25mm
  • Bore Sizes: 6mm to 6.35mm (1/4 inch)
  • Flexible Helical Cut: Absorbs vibration and misalignment
  • Set Screw Fixing: Secures both shafts tightly
  • Corrosion Resistance: Anodized aluminum finish
  • Torque Transmission: Maintains torque without backlash

Technical Specifications of D19L25 Coupler:

• • Model: D19L25
  • Material: CNC-machined aluminum
  • Outer Diameter (D): 19mm
  • Length (L): 25mm
  • Input Bore: 6mm
  • Output Bore: 6.35mm
  • Fixation: 2 x M4 set screws on each side
  • Max Torque: ~1.5 Nm (varies by setup)
  • Operating Temperature: -20°C to 80°C

Mechanical Characteristics:

• • Type: Helical beam flexible coupling
  • Flexibility: Compensates for axial, radial, and angular misalignment
  • Finish: Natural or anodized aluminum
  • Weight: ~15 grams

Applications of Aluminum Shaft Coupling:

• • 3D Printers
  • CNC Router Machines
  • Stepper Motor Coupling
  • Laser Engravers
  • Encoder Drives
  • Robotic Joints

Equivalent Models and Alternatives:

• • 5x8mm Flexible Coupling
  • 6×6.35mm CNC Coupler
  • D20L25 Flexible Coupling

Datasheet / Reference:

• • Reference Image and Specifications (Pololu)

Keywords:

• • 6mm to 6.35mm Coupler
  • Flexible Shaft Coupling
  • CNC Motor Coupler
  • Aluminum Coupler D19L25
  • Stepper Motor Shaft Connector

Package Includes:

• • 1 x D19L25 Aluminum Flexible Coupling (6mm to 6.35mm)
  • 2 x Pre-installed Hex Set Screws