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| German hose clamps are widely used worm-drive hose clamps for automotive and industrial piping systems. They feature a non-perforated band design, providing uniform clamping force distribution and stable locking performance, ensuring reliable sealing under vibration and pressure fluctuation conditions. Why choose Yueding?
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We support structural and specification adjustments for German hose clamps. You only need to provide drawings or specific application scenarios. Our engineering team will evaluate feasibility and, once confirmed, complete sample production within 3–7 days, with support for subsequent trial production.
In addition, we support logo marking, packaging customization, and kit combination supply, making it convenient for your distribution management and project integration use.
Facilitates frequent assembly and disassembly, reducing maintenance time and labor costs, and is available in both stainless steel and colored plastic versions.
Compensates for thermal expansion and contraction stress in the hose, as well as the offset caused by the clamping head, maintaining even tightening pressure of the hose clamp.
Offers standalone clamp head products and supports custom size or material modifications, compatible with standard German-type hose clamps.
Ideal for spiral-reinforced hoses, utilizing the bridge design for tight fastening, and supports customization of multiple bridge structures.
Yueding’s factory covers over 20,000 square meters, with advanced automated and semi-automated production facilities for welding, stamping, and molding. It also includes a testing lab and large packaging warehouse to ensure strict quality control. With over 200 full-time staff, including experienced design engineers, we deliver efficient and innovative solutions.Our annual sales exceed $10 million, with products exported to over 110 countries. We hold certifications such as ISO 9001, ISO 45001, IATF 16949, and RoHS, ensuring the quality and safety of our products for global markets.We are dedicated to providing stable, high-quality products and services to help ensure the long-term success of your projects.
What is a German-style hose clamp? How does it differ from the American-style hose clamp?
Unlike the American-style hose clamp, which has a perforated steel band, the German-style hose clamp features a smooth inner band with a rolled edge. This design helps prevent damage to the hose during tightening, providing better sealing and durability.
What sizes of German-style hose clamps do you offer? Do you have options for 8mm or 12mm band widths?
We offer a variety of German-style hose clamps, including 8mm band width for light-duty connections and 12mm band width for heavy-duty industrial applications. Additionally, we also provide a medium-size series of German-style clamps that balance installation space and tightening strength, catering to your diverse needs.
What materials are typically used for German-style hose clamps?
We provide a range of material options to meet various corrosion resistance requirements. For high-end applications, we recommend stainless steel (such as SS304 or SS316) for its excellent corrosion resistance. If you prioritize cost-effectiveness, the galvanized steel version is a great choice, offering good performance in dry or typical industrial environments and solid tightening capability.
Why is the automotive industry more inclined to use German-style hose clamps?
In automotive systems, especially in cooling and intake systems, there are continuous vibrations and pressure fluctuations. German-style hose clamps are preferred because their high torque fastening ability and hose protection ensure a stable long-term seal, reducing leakage risks and meeting the automotive industry's high demands for reliability and safety.
Does your factory support small to medium batch customization?
Yes, we support small and medium batch custom production. In addition to keeping regular stock for quick deliveries, we can also produce custom clamps based on your drawings, ensuring flexibility for your specific requirements.
| Material | Band | Housing | Screw | Suggested Install Torque |
| W1 | Zinc Plated Steel | Zinc Plated Steel | Zinc Plated Steel | φ≤25 Band(9mm) 3.0Nm Band(12mm) 3.4Nm φ≥27 Band(9mm) 3.4Nm Band(12mm) 3.8Nm |
| W2 | AISI SS430 / SS200 / SS304 | AISI SS430 / SS200 / SS304 | Zinc Plated Steel | |
| W4 | AISI SS304 | AISI SS304 | AISI SS304 | φ≤25 Band(9mm) 4.0Nm Band(12mm) 4.9Nm φ≥27 Band(9mm) 4.5Nm Band(12mm) 4.8Nm |
| W5 | AISI SS316 | AISI SS316 | AISI SS316 |
Table 1: Common material options for German hose clamps

| 9mm Band Width | 12mm Band Width | ||||||||
| Item No. (W1 W2) | Item No. (W4 W5) | Range (mm) Q675 | Range (mm) DIN3017 | Screw Length (mm) | Item No. (W1 W2) | Item No. (W4 W5) | Range (mm) Q675 | Range (mm) DIN3017 | Screw Length (mm) |
| 09B0812 | 09Q0812 | 8-12 | 8-12 | 23 | / | / | / | / | / |
| 09B1016 | 09Q1016 | 10-16 | 10-16 | 23 | / | / | / | / | / |
| 09B1222 | 09Q1222 | 12-22 | 12-22 | 23 | 12B1220 | 12Q1220 | 12-22 | 12-22 | 23 |
| 09B1627 | 09Q1627 | 16-27 | 16-27 | 23 | 12B1625 | 12Q1625 | 16-27 | 16-27 | 23 |
| 09B2032 | 09Q2032 | 23-35 | 20-32 | 23 | 12B2032 | 12Q2032 | 23-35 | 20-32 | 23 |
| 09B2540 | 09Q2540 | 25-40 | 25-40 | 26 | 12B2540 | 12Q2540 | 30-45 | 25-40 | 26 |
| 09B3250 | 09Q3250 | 32-50 | 30-45 / 35-50 | 26 | 12B3250 | 12Q3250 | 32-50 | 30-45 / 35-50 | 26 |
| 09B4060 | 09Q4060 | 40-60 | 40-60 | 26 | 12B4060 | 12Q4060 | 40-60 | 40-60 | 26 |
| 09B5070 | 09Q5070 | 50-70 | 50-70 | 26 | 12B5070 | 12Q5070 | 50-70 | 50-70 | 26 |
| 09B6080 | 09Q6080 | 60-80 | 60-80 | 26 | 12B6080 | 12Q6080 | 60-80 | 60-80 | 26 |
| 09B7090 | 09Q7090 | 70-90 | 70-90 | 26 | 12B7090 | 12Q7090 | 70-90 | 70-90 | 29 |
| 09B80100 | 09Q80100 | 80-100 | 80-100 | 26 | 12B80100 | 12Q80100 | 80-100 | 80-100 | 29 |
| 09B90110 | 09Q90110 | 90-110 | 90-110 | 26 | 12B90110 | 12Q90110 | 90-110 | 90-110 | 29 |
| 09B100120 | 09Q100120 | 100-120 | 100-120 | 26 | 12B100120 | 12Q100120 | 100-120 | 100-120 | 31 |
| 09B110130 | 09Q110130 | 110-130 | 110-130 | 26 | 12B110130 | 12Q110130 | 110-130 | 110-130 | 31 |
| 09B120140 | 09Q120140 | 120-140 | 120-140 | 26 | 12B120140 | 12Q120140 | 120-140 | 120-140 | 31 |
| 09B130150 | 09Q130150 | 130-150 | 130-150 | 26 | 12B130150 | 12Q130150 | 130-150 | 130-150 | 31 |
| 09B140160 | 09Q140160 | 140-160 | 140-160 | 26 | 12B140160 | 12Q140160 | 140-160 | 140-160 | 31 |
| More size and material can be supplied according to your quirements.Above data just for reference. | |||||||||
Table 2: Standard size options for German hose clamps
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