H1638 Hardened Steel Worm 1/2" Bore Click here for spec sheet:

Click here for spec sheet: SAF Spec Sheet

With Teflon as their major ingredient

Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market

the SNASTRS has an eccentric locking bearing insert

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

H1638 Hardened Steel Worm 1/2" Bore Click here for spec sheet:When 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