H1638 Hardened Steel WormWhen used with worm gears, Boston Gear worms provide an effective answer for power transmission applications requiring high ratio speed reduction in a limited space using right angle (90), non intersecting shafts. Manufactured from acetal, nylon, and hardened and unhardened steel, they offer the smoothest, quietest form of gearing when properly applied. Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the

self-centering design with mounting flange for use in through-bored components with smaller pitch/outside diameters

Click here for spec sheet: UCPL Spec Sheet

• One Moving Part

Boston Gear’s internal gears are spur gears turned "inside out

Click here for spec sheets: HUCNPPA Spec Sheet

Many are available with or without hubs

Boston Gear worms provide an effective answer for power transmission applications requiring high ratio speed reduction in a limited space using right angle (90°)

Torque Rating: Not Rated in lb

Click here for spec sheet: NAP Spec Sheet

The riser blocks allow

Click here for spec sheets: CUC Spec Sheet

Splined Hub