Precise and powerful custom 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 can prepare 
custom worm equipment 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 Enveloping Worm Gear Center Distance
Special Ratios: Up to 200:1 single stage; size dependent, Sector gears