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The Helix Linear Precision Torque™ Splines are a convenient and efficient device that allows low friction motion while transmitting torque. In a Helix PT Spline assembly the high strength composite polymer bushing carries the load between the rotating member (inner race) and the rotating/translating member (bushing).
HMR Miniature linear guide series have three accuracy grades for design selection: Precision (P), High (H), Normal (N). Regardless of series, HMR miniature linear guides use stainless steel processed material.