heavy duty worm gear clamp supplier
Compliant with the SAE J1508
A heavy-duty worm gear clamp is a stronger, reinforced version of a standard hose clamp. It uses a worm-gear screw and a thicker stainless-steel band to provide higher torque, better sealing, and improved resistance to pressure and corrosion. This type of clamp is belong to worn driven structure clamp with more higher torque performance,suitable for application with high internal pressure and thick walls. It’s commonly used in industrial, automotive, and plumbing applications where a secure, durable hold is required.
basic structure of heavy duty hose clip
High-Torque Screw
Our heavy duty pipe clips feature high-tensile external hexagon screws to ensure maximum torque transmission.
Reinforced Upper Cover / Housing
Our heavy duty tube clamp housing is specially designed to withstand extremely high clamping forces without deformation.
Crescent-Shaped Toothed Band
Our heavy duty pipe clips are designed to protect expensive industrial hoses from stress cracking and cutting under high tension.
HWKG's heavy duty hose clamp types
KG13Q
Band
Stainless Steel
Upper Cover/Base
Stainless Steel
Hex Head
Stainless Steel
KG13B
Band
Stainless Steel
Upper Cover/Base
Stainless Steel
Hex Head
carbon steel or 400 series Stainless Steel
KG14Q
Band
Stainless Steel
Upper Cover/Base
Stainless Steel
Hex Head
Stainless Steel
KG14B
Band
Stainless Steel
Upper Cover/Base
Stainless Steel
Hex Head
carbon steel or Stainless Steel
KG16Q
Band
Stainless Steel
Upper Cover/Base
Stainless Steel
Hex Head
Stainless Steel
heavy duty tube clamp Specification & Size Charts
heavy duty pipe clamp Configuration Table
| SPECIFICATION | MATERIAL | BAND | HOUSING | SCREW |
|---|---|---|---|---|
| KG13B / KG14B | W2 | 200/300 series stainless steel | 200/300 series stainless steel | carbon steel |
| W3 | 200/300/400 series stainless steel | 200/300/400 series stainless steel | 400 series stainless steel | |
| KG13Q / KG14Q / KG16Q | W4 | 200/300 series stainless steel | 200/300 series stainless steel | 200/300 series stainless steel |
| W5 | 316 stainless steel | 316 stainless steel | 316 stainless steel | |
| Customization of specifications and material configurations is available based on customer requirements. The above information is for reference only and should not be considered as technical specifications | ||||
heavy duty hose clip Specification Table
| SAE Size No. | RANGE | SPECIFICATION | ||||
|---|---|---|---|---|---|---|
| Range mm | Range in | KG13Q | KG13B | KG14Q | KG14B | |
| – | 11-20 | 7/16″-25/32″ | ● | ● | ● | ● |
| – | 13-23 | 1/2″-29/32″ | ● | ● | ● | ● |
| 10 | 14-27 | 9/16″-1 1/16″ | ● | ● | ● | ● |
| 12 | 18-32 | 11/16″-1 1/4″ | ● | ● | ● | ● |
| 16 | 21-38 | 13/16″-1 1/2″ | ● | ● | ● | ● |
| 20 | 21-44 | 13/16″-1 3/4″ | ● | ● | ● | ● |
| 24 | 27-51 | 1 1/16″-2″ | ● | ● | ● | ● |
| 28 | 33-57 | 1 5/16″-2 1/4″ | ● | ● | ● | ● |
| 32 | 40-64 | 1 9/16″-2 1/2″ | ● | ● | ● | ● |
| 36 | 46-70 | 1 13/16″-2 3/4″ | ● | ● | ● | ● |
| 40 | 52-76 | 2 1/16″-3″ | ● | ● | ● | ● |
| 44 | 59-83 | 2 5/16″-3 1/4″ | ● | ● | ● | ● |
| 48 | 65-89 | 2 9/16″-3 1/2″ | ● | ● | ● | ● |
| 52 | 71-95 | 2 13/16″-3 3/4″ | ● | ● | ● | ● |
| 56 | 78-102 | 3 1/16″-4″ | ● | ● | ● | ● |
| 60 | 84-108 | 3 5/16″-4 1/4″ | ● | ● | ● | ● |
| 64 | 90-114 | 3 9/16″-4 1/2″ | ● | ● | ● | ● |
| 72 | 103-127 | 4 1/16″-5″ | ● | ● | ● | ● |
| 80 | 117-140 | 4 5/8″-5 1/2″ | ● | ● | ● | ● |
| 88 | 130-152 | 5 1/8″-6″ | ● | ● | ● | ● |
| 96 | 141-165 | 5 9/16″-6 1/2″ | ● | ● | ● | ● |
| 104 | 157-178 | 6 3/16″-7″ | ● | ● | ● | ● |
| SAE Size No. | RANGE | SPECIFICATION | |
|---|---|---|---|
| Range mm | Range in | KG16Q | |
| – | 25-45 | 1"-1 3/4" | ● |
| 212 | 32-54 | 1 1/4"-2 1/8" | ● |
| 262 | 44-67 | 1 3/4"-2 5/8" | ● |
| 312 | 57-79 | 2 1/4"-3 1/8" | ● |
| 362 | 70-92 | 2 3/4"-3 5/8" | ● |
| 412 | 83-105 | 3 1/4"-4 1/8" | ● |
| 462 | 95-117 | 3 3/4"-4 5/8" | ● |
| 512 | 108-130 | 4 1/4"-5 1/8" | ● |
| 562 | 121-143 | 4 3/4"-5 5/8" | ● |
| 612 | 133-156 | 5 1/4"-6 1/8" | ● |
| 662 | 146-168 | 5 3/4"-6 5/8" | ● |
| 712 | 159-181 | 6 1/4"-7 1/8" | ● |
| 762 | 171-194 | 6 3/4"-7 5/8" | ● |
| 812 | 184-206 | 7 1/4"-8 1/8" | ● |
| 862 | 197-219 | 7 3/4"-8 5/8" | ● |
| 912 | 210-232 | 8 1/4"-9 1/8" | ● |
OEM/ODM customization services for heavy duty pipe clamp
Custom Material Configurations and Special Grades
Customized Material Combinations: We offer flexible combinations of different grades of materials to suit your budget and usage environment.
Special Coatings: Special surface treatments (galvanizing, passivation, or anti-seize coatings) are available to enhance corrosion resistance and thread life.
Non-Standard Sizes and Engineering Geometry
- Custom Diameters & Widths: Beyond standard SAE sizes, we manufacture custom-diameter clamps and ultra-wide bands for heavy-duty sealing requirements.
- Specialty Form Factors: Precision production of engineered variants, including:
Snap-Lock with Sleeves/Bushings: Protects installers and prevents hose shearing under contraction.
V-Groove & Oval Clamps: Tailored for flange connections and irregular, non-circular cross-sections.
Rapid Prototyping and Technical Support
- 3D Modeling & CAD Support: Our municipal-level R&D team converts your technical drawings or performance requirements into production-ready blueprints within 48 hours.
- Rigorous Lab Verification: Every custom batch undergoes high-pressure seal testing and spark spectrograph material verification to ensure zero-defect performance.
heavy duty pipe clip Material Selection Guide
W2 to W5 Material Grade Classifications
W2 Grade stainless steel heavy duty hose clamp
Choose our 200-series and 300-series stainless steel pipe clamps for heavy-duty use. Built with stainless steel bands and housings, and fitted with durable zinc-plated carbon steel screws. Great value for indoor piping and general manufacturing in low-humidity conditions.
W3 & W4 Grade heavy duty stainless steel pipe clamps
Constructed entirely from 200-series, 300-series and 400 series stainless steel. Engineered for regular outdoor installations, heavy machinery, automotive turbos, and environments with moderate moisture exposure.
W5 Grade stainless steel heavy duty pipe clamp
Built 100% from premium 316 stainless steel (including band, housing, and screw). Specifically designed for high-salinity marine environments, coastal infrastructure, and highly corrosive chemical processing plants.
Carbon steel VS stainless steel for heavy duty stainless hose clamps
heavy duty stainless steel hose clamps applications
01
High-voltage construction
During early foundation work, the Heavy duty worm drive hose clamp provides strong holding power for supports and temporary structures. The firm grip of the HD Worm Drive Clamp helps prevent shifting or collapse, improving on-site safety.
02
Heavy industrial machinery
For heavy industrial equipment, the Heavy duty worm drive hose clamp offers reliable fastening on coolant lines, hydraulic hoses, and air systems. The firm tightening force of the HD worm gear clamp helps keep connections steady during continuous load and harsh operating conditions.
03
Military and automotive equipment
In military equipment, the HD worm gear clamp is commonly used to secure cooling hoses, air ducts, communication cables, and protective tubing. Its reinforced structure helps the Heavy duty worm drive clamp remain stable under shock, rapid movement, and demanding field conditions.
Why choose HWKG as Your heavy duty hose clamp Supplier
R&D Team for 30+ Years of Expertise
A team of over fifty experienced members
Our R&D department operates as a municipal-level technology center with a team of over 50 professional engineers. Among them is a technical consultant with more than 30 years of clamp-industry experience, and nearly half of the team members have over 10 years in the field. This experienced group uses digital platforms, modeling tools, and rapid verification methods to accelerate development and deliver customized clamp solutions with high efficiency.
Over 20 Years of HWKG Clamp Expertise
experts in providing clamp solutions
HWKG has accumulated over 20 years of manufacturing experience in the design and production of hose clamps. Through continuous learning and improvement, we have developed into a trusted manufacturer, renowned for our independent designs, continuous innovation, and reliable production capabilities.
Currently, HWKG provides high-quality clamp solutions to well-known clients such as Rowes, Autozone, and Huawei.
free of defects such as porosity and cracks
Strict quality control of products
We applies a digital quality management system and advanced testing equipment to ensure precision and durability. Our inspection process covers every stage, from raw materials to final clamp application scenarios. Using instruments such as high-pressure testers and spark spectrographs, we verify performance and material integrity under real working conditions. With material options like 300 series stainless steel, we delivers clamps built for long-term and demanding environments.
FAQ of heavy duty hose clamp
01 What specialty configurations or engineered form factors does HWKG produce?
Beyond standard SAE sizes, HWKG specializes in manufacturing engineered variants custom-made according to actual site conditions to reduce uneven force and uncontrolled deformation. Our premium specialty range includes:
- Snap-lock clamps with sleeves: Prevents the protruding steel strip from injuring installers.
- Snap-lock bushing clamps: Distributes stress evenly and prevents hose damage during inner ring contraction.
- Snap-lock V-groove clamps: Tailored for secure flange connections under high temperatures and pressures.
- Oval-shaped snap-lock clamps: Specifically designed for non-circular, irregular cross-sections.
02 Can you customize the material configurations and sizes based on our project requirements?
As explicitly stated in our configuration tables, customization of specifications and material configurations is fully available based on customer requirements. Whether you need a specific steel series mix or non-standard dimensions, our R&D team can deliver tailored solutions efficiently.
03 How does your lab verify material integrity and clamp performance?
We enforce a strict digital quality management system from raw materials to final application scenarios to ensure our products are free of defects such as porosity and cracks. Our factory laboratory is fully equipped with advanced testing instruments, including spark spectrographs for precise material composition verification and high-pressure testers to simulate and guarantee seal reliability under real working conditions.