High Torque Worm Drive Hose Clamp
A heavy-duty stainless steel worm drive clamp engineered for demanding hose connections that require higher clamping force, a wider contact area and dependable sealing performance. Available in W4 and W5 material configurations for industrial, marine, vehicle, HVAC and fluid-transfer applications.
- Wide Band Design
- Reinforced Housing
- High-Torque Screw
- W4 / W5 Options
Higher Clamping Force for Demanding Connections
The DISLAB PRECISION high torque worm drive hose clamp uses a wide stainless steel band, reinforced housing, saddle support and a precision worm-drive screw. The design is intended for connections where a conventional narrow-band clamp may not provide sufficient load distribution or tightening capacity.
When the screw is tightened, the perforated band travels through the housing and applies circumferential pressure around the hose. The wider band spreads this pressure over a larger surface area, helping reduce concentrated loading on the hose wall while maintaining a firm seal.
- Suitable for high-pressure and heavy-duty hose connections.
- Reinforced housing helps resist deformation during tightening.
- Wide band improves pressure distribution around the hose.
- Reusable construction supports inspection and maintenance work.
- Available for custom diameter, material and packaging requirements.
Designed for Secure and Reliable Installation
Each part of the clamp contributes to stable tightening, effective sealing and longer service life in demanding operating conditions.
High Clamping Force
The heavy-duty worm-drive mechanism generates strong tightening force, making the clamp suitable for large hoses, reinforced tubing and industrial connections exposed to pressure or movement.
Wide Contact Area
The 12.7 mm, 14.2 mm or 15.8 mm band provides broader contact with the hose surface, helping distribute the clamping load and reduce local compression.
Reinforced Housing
The robust housing and saddle structure support the screw assembly, improve clamp stability and help the housing withstand higher torque during installation.
Reliable Retightening
The clamp can be checked and retightened when hose materials expand, contract or settle because of temperature changes, vibration or extended service.
What the Clamp Is Used for and What It Helps Solve
This clamp is selected when buyers need more tightening capacity and a larger sealing surface than a standard light-duty worm drive clamp can provide.
Insufficient Tightening Force
Standard clamps may struggle to maintain a secure connection on thick, rigid or reinforced hoses. The high-torque screw and reinforced housing provide greater tightening capacity for demanding assemblies.
Uneven Pressure on the Hose
A narrow band can concentrate pressure in a small area. The wide band spreads the load more evenly and helps reduce hose cutting, distortion and localized surface damage.
Loosening After Thermal Cycling
Hose materials may expand or contract as temperatures change. The reusable worm-drive mechanism allows the connection to be inspected and retightened during scheduled maintenance.
Corrosion in Industrial Environments
W4 and W5 stainless steel configurations provide material options for wet, outdoor, marine, chemical-processing and other corrosive working conditions.
Wide Band, High-Torque Screw and Reinforced Housing
The clamp combines a perforated stainless steel band with a reinforced screw housing and saddle. This construction improves tightening stability while allowing straightforward installation with standard tools.
Available Size and Band Configurations
Standard clamping ranges extend from 10 mm to 180 mm. Buyers can select the appropriate band width and thickness according to hose diameter, connection load and operating environment.
| Clamping Range | Inch Reference | Band Width Option A | Thickness | Band Width Option B | Thickness |
|---|---|---|---|---|---|
| 10–16 mm | 5/8 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 13–19 mm | 3/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 16–25 mm | 1 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 19–29 mm | — | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 22–32 mm | 1 1/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 25–38 mm | 1 1/2 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 32–44 mm | 1 3/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 35–51 mm | 2 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 38–57 mm | 2 1/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 44–64 mm | 2 1/2 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 51–70 mm | 2 3/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 64–76 mm | 3 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 70–89 mm | 3 1/2 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 76–92 mm | 3 3/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 80–100 mm | 4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 90–110 mm | 4 1/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 100–120 mm | 4 3/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 110–130 mm | 5 1/4 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 120–140 mm | 5 1/2 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 130–150 mm | 6 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 140–160 mm | 6 1/2 in. | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 150–170 mm | — | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
| 160–180 mm | — | 12.7 / 14.2 mm | 0.6 mm | 15.8 mm | 0.8 mm |
Note: Size availability should be confirmed according to the required hose outside diameter, band width, material and order quantity. Other dimensions can be discussed for project-specific requirements.
W4 and W5 Stainless Steel Configurations
Material selection should be based on corrosion exposure, service temperature, cleaning conditions and the surrounding operating environment.
SS200 / SS300-Series Stainless Steel
The band, screw, housing and saddle are manufactured from SS200-series or SS300-series stainless steel.
- Suitable for general industrial service.
- Good corrosion resistance for outdoor and wet conditions.
- Practical option for volume industrial procurement.
SS316 Stainless Steel
The band, screw, housing and saddle are manufactured from SS316 stainless steel.
- Designed for more corrosive operating environments.
- Suitable for marine, chemical and process-equipment applications.
- Recommended where improved corrosion resistance is required.
Built for Demanding Hose and Pipe Connections
The high torque worm drive hose clamp can be used across industrial systems where secure fastening, maintenance access and reliable sealing are important.
Information Required for Accurate Clamp Selection
Providing complete connection data helps DISLAB PRECISION confirm the correct clamping range, band configuration and stainless steel grade.
Please Provide
- Required clamping range or hose outside diameter.
- Preferred band width and thickness.
- W4 or W5 material requirement.
- Operating temperature and surrounding environment.
- Required quantity and delivery destination.
- Packaging, labeling or barcode requirements.
Available Supply Options
- Standard industrial clamp sizes.
- Project-specific diameter selection.
- W4 and W5 stainless steel configurations.
- Bulk export packaging and carton labeling.
- Mixed clamp orders for industrial procurement.
- OEM packaging and purchasing-document support.
View the DISLAB PRECISION Industrial Clamps Catalog
Review additional worm drive hose clamps, heavy-duty clamps, bridge clamps, T-bolt clamps and other industrial fastening products available for global B2B sourcing.
High Torque Worm Drive Hose Clamp FAQ
Practical answers for engineers, distributors and industrial buyers evaluating this clamp for a specific connection.
What is the difference between a high torque clamp and a standard worm drive clamp?
A high torque clamp normally uses a wider band, stronger housing and heavier screw assembly. These features allow it to apply greater tightening force and distribute pressure over a larger hose surface, making it more suitable for demanding industrial connections.
Should the clamp size match the hose inside diameter or outside diameter?
Clamp selection should be based on the measured outside diameter of the assembled hose and fitting. The selected clamping range should include this final outside diameter without operating at the extreme end of the adjustment range whenever possible.
When should W5 SS316 be selected instead of W4?
W5 is appropriate when the clamp will be exposed to marine conditions, salt, aggressive moisture, chemical-processing environments or other situations where SS316 corrosion resistance is preferred. W4 is commonly used for general industrial and outdoor applications.
Can this clamp be retightened after the hose has been in service?
Yes. The worm-drive design is reusable and can be inspected and retightened during maintenance. This is useful when hose materials settle, expand or contract because of pressure, temperature changes or extended operation.
Does a wider band always provide a better connection?
A wider band provides a larger contact area and can improve load distribution, but the correct choice still depends on hose construction, fitting geometry, available installation space and required tightening force. Band width should be selected as part of the complete connection design.
Can DISLAB PRECISION supply custom diameters or packaging?
Custom clamp diameter, band width, material, carton labeling and packaging can be discussed according to order quantity and project requirements. Buyers should provide a size list, drawing or application details for evaluation.
What information should be included in a quotation request?
Include the clamping range, hose outside diameter, band width, material grade, estimated quantity, application, operating environment and delivery country. Photographs or drawings are helpful when the connection is unusual or installation space is limited.
Request a Hose Clamp Quotation
Tell us the clamp type, installed hose outside diameter, preferred material, required quantity, application and destination country. Our team will review the details and respond with practical specification and quotation guidance.
Need to send drawings or specifications?
Email your PDF, STEP, DWG, DXF or other reference files directly to [email protected], or send them via WhatsApp.
For CAD drawings, product photos, samples or detailed specifications, submit the form first and then email the files directly to David .