Cone Drive is a world leader in true double enveloping worm gear technology. We manufacture high quality, durable worm gearsets and gearboxes in standard sizes and ratios or we will meet custom specifications. The greater surface area contact of double enveloping worm gearing means the load is distributed across more teeth which allows the worm gear to run cooler, quieter, and more efficiently. Cone Drive's worm gear design helps provide cost savings with no loss of performance.