Precise and 
powerful custom made solutions.
HZPT is the world innovator in double-enveloping worm gear technology. Cone Drive gear sets can be found in regular sizes and ratios or we are able to prepare custom worm gear sets to any specs.
Key Features
Sizes: 1.5” through 52” CD
Standard Ratios: 5:1 – 70:1
Backlash: Standard / Low / Zero
Gear Materials: Tin + Alum Bronze, Ductile Iron, Steel Lightweight aluminum, Torlon®
Worm Materials: Hardened Steel + Nitride, STAINLESS
Modified output configuration (e.g. keyways, splines)
Custom Design Options: Custom made Center Distance
Unique Ratios: Up to 200:1 one stage; size dependent, Sector gears