• Low torque
  • Small radial dimensions
  • Can be combined for greater torque capacity
  • Metric shafts 6mm to 150mm
  • Split/cut ring
  • Larger sizes on request
  • 1.73 - 9,104 ft-lb
Unit of Measure



N/A SLD 350 S MM 17X21

Coupling Size

N/A SLD350 S


N/A Internal

Collar Material

N/A Silver/Metallic


N/A 0.01 lb

Screw Material

N/A Steel


N/A Low Torque


N/A Internal Shaft Locking Device

Dimensional Data

Shaft Size 

N/A 17 x 21 mm

Hub Outside Diameter (Dimension d)

N/A 0.669 in17.00 mm

Tolerance of Shaft (T1)

N/A +0 -0.0004 in

Shaft Locking Device Outside Diameter (Dimension D)

N/A 0.827 in21.00 mm

Tolerance of Hub Bore (T2)

N/A -0 +0.0008 in

Recommended Distance to Clamp Device - 1 Element (Dimension N)

N/A 0.118 in

Recommended Distance to Clamp Device - 2 Elements (Dimension N)

N/A 0.157 in

Recommended Distance to Clamp Device - 3 Elements (Dimension N)

N/A 0.157 in

Recommended Distance to Clamp Device - 4 Elements (Dimension N)

N/A 0.197 in

Total Width at Relaxed State (Dimension L)

N/A 0.248 in6.30 mm

Cubic inches

N/A 0.16961 in³4.30821 mm³

Performance Data

Max. Transmissible Axial Force

N/A 816.00 lbf

Max. Transmissible Torque

N/A 22.70 ft·lb

Pressure on The Hub

N/A 13053.00 psi

Pressure on The Shaft

N/A 16099.00 psi

Preload Force Required to Generate Max. Transmissible Torque (FA)

N/A 4159.00 lb



N/A Versus Traditional Keyed Connections
  • No Backlash due to fit tolerances
  • No impact effect from reversing loads
  • Ability to adjust axial position and angular timing
  • No fretting corrosion due to movement at the fit interface
Versus Traditional Interference Fits
  • Easier and quicker to install
  • Higher contact pressures can transmit greater torques
  • Easy and quick to remove without damaging the shaft or hub - even after years of service
Design Benefits
  • Eliminate cost of machining keyways or splines
  • Reduce the shaft stress by removing keyways or splines
  • Eliminating keyways often allows the use of a smaller diameter shaft
  • Can place anywhere on shaft, and allows for easy angular timing
  • Easy removal without damaging the shaft or hub means easier maintenance for your customer