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New aluminum torque limiting knurled knobs from J.W. Winco
J.W. Winco, Inc., supplier of standard industrial machine components, announced it now offers GN 3663 aluminum torque limiting knurled knobs with steel threaded stud. The RoHS compliant torque limiting knobs are used when manually applied torque is to be limited. When turned clockwise, the torque mechanical system of the knurled knob triggers an "over-engagement" as soon as the specified torque is reached. When tightening, this insures that maximum permissible torque is not exceeded. When turned counter-clockwise, loosening the knob mechanism, the mechanical system locks so that the torque is not limited. Torque necessary for release will always be transmitted properly. After removal of cover and loosening of the countersunk screw, insert with threaded stud can be dismantled, in addition, versions with inch size threaded are available upon request. The knob body is aluminum with a black anodized finish, while the torque mechanism is steel with a blackened finish. The cover cap is plastic in a light gray matte finish, while the other components are steel, hardened.