Industrial Control Knobs & Flanged Bushes

Active Polymers designs and produces heavy-duty industrial control knobs, female tapered operating handles, and mechanical bushes for industrial machinery, instrumentation, and control panels. Featuring brass threaded blind or through-hole inserts, our knobs provide comfortable, slip-resistant hand grip with high tightening torque capability.

Our flanged sleeve bushes and keyed tri-lobe bushings are molded from low-friction, wear-resistant self-lubricating engineering polymers, serving as non-corrosive, maintenance-free alternatives to bronze and sintered metal bearings.