Band width: 1/2” (12.7mm)
Band thick: 0.024” (0.6mm)
Screw size: 5/16” (7.9mm)
Material: W1, W2, W4
Free running torque: 6 in-lbs (0.7 Nm)
Suggested installation torque: 35 in-lbs (4 Nm)
The American Type worm gear clamp, often simply called a "worm gear clamp" or "hose clip," is a quintessential and widely used fastener in numerous industries. Its classic design consists of three main components
Sizes Table:
| Part No | SAE Size |
Dimension | Part No | SAE Size |
Dimension | |||
| mm | in inch | mm | in inch | |||||
| AM12W20 | 6 | 11-20 | 0.44"-0.78" | AM12W83 | 44 | 59-83 | 2.31"-3.25" | |
| AM12W23 | 8 | 13-23 | 0.5"-0.91" | AM12W89 | 48 | 65-89 | 2.56"-3.5" | |
| AM12W27 | 10 | 14-27 | 0.56"-1.06" | AM12W95 | 52 | 72-95 | 2.81"-3.75" | |
| AM12W32 | 12 | 18-32 | 0.69"-1.25" | AM12W102 | 56 | 78-102 | 3.06"-4" | |
| AM12W38 | 16 | 21-38 | 0.81"-1.5" | AM12W108 | 60 | 84-108 | 3.31"-4.25" | |
| AM12W44 | 20 | 21-44 | 0.81"-1.75" | AM12W114 | 64 | 91-114 | 3.56"-4.5" | |
| AM12W51 | 24 | 27-51 | 1.06"-2" | AM12W127 | 72 | 103-127 | 4.06"-5" | |
| AM12W57 | 28 | 33-57 | 1.31"-2.25" | AM12W140 | 80 | 117-140 | 4.62"-5.5" | |
| AM12W64 | 32 | 40-64 | 1.56"-2.5" | AM12W152 | 88 | 130-152 | 5.12"-6" | |
| AM12W70 | 36 | 46-70 | 1.81"-2.75" | AM12W165 | 96 | 141-165 | 5.56"-6.5" | |
| AM12W76 | 40 | 50-76 | 2"-3" | AM12W178 | 104 | 157-178 | 6.18"-7" |
|

Material of worm gear clamp
Stainless steel worm gear clamps are manufactured from an alloy of steel containing a minimum of 10.5% Chromium, which gives them superior corrosion resistance. The two most common grades are 304 (A2) and 316 (A4).

Carbon steel worm gear clamp (W1)
Common Uses and Applications:
Automotive Cooling Systems: Commonly used for radiator hoses and heater hoses in passenger vehicles where extreme corrosion is not a primary concern.
General Plumbing: For connecting water supply lines to appliances, faucets, and other non-potable water systems.
HVAC Systems: Securing flexible ducts and low-pressure ventilation lines.
Appliance Manufacturing: Used internally in washing machines, dishwashers, and other appliances where cost is a factor and the environment is controlled.
DIY and General-Purpose Repairs: A versatile and readily available option for home workshops and general maintenance.

Common Uses and Applications:
Marine and Offshore Industries: Essential for boats and offshore platforms due to exceptional resistance to saltwater corrosion.
Food and Beverage Processing: Required in food-grade applications because they are easy to sanitize and will not contaminate products.
Chemical and Pharmaceutical Industries: Used with pumps, filters, and piping that handle aggressive chemicals.
High-Performance Automotive: Used in engines and systems where higher temperatures and performance are critical.
Potable Water Systems: The preferred choice for securing hoses and pipes in drinking water applications.
Outdoor and Architectural Applications: Used in settings exposed to rain and weather, where long-term, rust-free performance is required.

FAQ of Worm Gear Clamp
Q: What is the difference between American-type and German-type worm gear clamps?
A: American-type clamps feature a perforated band (holes through the band), while German-type clamps have a non-perforated, embossed band with rolled edges. We offer both designs to suit different hose material requirements.
Q: Which material grade should I choose for outdoor use?
A: For general outdoor use, W4 (SS304) is the most popular choice as it offers excellent rust resistance. For coastal or marine environments, we recommend W5 (SS316) for its superior salt-spray performance.
Q: Can I customize the packaging for my retail brand?
A: Absolutely. We provide various packaging options including bulk packs, polybags with headcards, and custom plastic boxes to help you build your own brand presence.
