Variegate, Inc.
Since 1992 -
PTE
(Power Transmission Engineering, Inc.)![]()

Power Transmission Engineering, Inc. (PTE) manufacturers a wide variety of products to transmit torque without keys. Keyless torque transmission leads to improved reliability and maintainability.
Why Keyless? No shaft milling, No keyway broaching, Clearance fit tolerances, Easy installation & removal, No notch factor leading to stronger shafts.
PTE's product line includes Expanding Torque Bushings (ETB), Squeeze Torque Couplings (STC) and Shaft Lock Nuts. You can technical application information and dimensional information at http://www.PTECoupling.com
Copyright Variegate, Inc. 2000-2007