Zero-Backlash Couplings

Oct. 26, 2006
An extended range of miniature couplings as small as 1/4-in. (6.35-mm) diameter suits shaft sizes down to 3/32 in. (2.38 mm).

The onepiece units have zero backlash and can transmit rotational torque in angular, parallel, and/or skewed modes. Available in aluminum, stainless steel, or plastic, the units can be used in precision engineering applications. They are especially able to accommodate tight or skewed connections.

Helical Products Co. Inc., Box 1069, Santa Maria, CA 93456, (877) 353-9873,

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