Precise and 
powerful custom solutions.
HZPT may be the world leader in double-enveloping worm equipment technology. Cone Drive equipment sets are available in standard 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 Light weight aluminum, Torlon®
Worm Materials: Hardened Metal + Nitride, Stainless Steel
Modified result configuration (e.g. keyways, splines)
Custom Design Options: Custom Center Distance
Special Ratios: Up to 200:1 solitary stage; size dependent, Sector gears