For hose connections that need a dependable seal, Stepless Ear Clamps are a purpose-built fastening choice. Because the band is continuous and step-free, pressure is distributed more evenly around the hose. This reduces pressure points and greatly reduces leak risk compared to traditional clamps.
Oetiker Inc
These clamps are essential in various applications, including automotive systems, industrial machinery, and marine lines. They also serve plumbing work, PEX tubing jobs, repair tasks, and home workshop projects. Most models are made from stainless steel, with Group 167 Stepless® clamps often having a 7 mm band width for consistent performance.
Among clamp manufacturers, Oetiker Inc. is strongly associated with Oetiker Clamp products and the Stepless® clamp family. Many Oetiker® Group 167 stepless ear clamps are packaged in 100-piece quantities for convenient ordering. As one example, Oetiker® 16705828 fits 1.547″–1.673″ / 39.3 mm–42.5 mm diameter ranges and is commonly supplied 100 per bag. With each bag weighing about 4 lbs, buyers can more easily plan storage, shipping, and inventory control.
Why Stepless Ear Clamps Work Well For Hose Fittings
For many hose assemblies, Stepless Ear Clamps provide a simple and reliable sealing method. Their continuous band design ensures uniform compression around the hose. This uniform pressure minimizes high-stress points and helps preserve long-term seal integrity.
Leak Prevention Through Uniform Compression
Even radial pressure is critical for preventing leaks. Stepless Ear Clamps deliver uniform pressure, avoiding the gaps that worm-gear clamps often create. Engineers frequently select Oetiker Clamp products for their consistent clamping force, which is critical for PEX, coolant, or fuel lines.
Corrosion Resistance And Long-Term Durability
Stainless steel construction delivers robust corrosion resistance in harsh environments. Quality Stepless Ear Clamps are useful in automotive, marine, and industrial systems where parts must withstand vibration, moisture, and service wear. Some models meet ASTM-related guidelines for plumbing and PEX installations, ensuring long-term reliability.
How Smooth Edges Help Protect Hose Materials
A narrow band and smooth, burr-free edges help reduce rubbing, cutting, and abrasion during use. A burr-free Oetiker Clamp supports minimal cutting into flexible tubing while maintaining firm retention. Together, smooth edges and even pressure help reduce premature hose failure and extend service life.

| Feature | Main Benefit | Typical Application |
|---|---|---|
| Consistent clamping pressure | More consistent sealing force and reduced leak risk | Fuel systems, cooling lines, and PEX tubing |
| Stainless corrosion protection | Improved lifespan in marine, outdoor, or damp areas | Marine lines and exposed equipment |
| Burr-free edges | Less hose abrasion, reduced puncture risk | Rubber tubing, flexible hose, and PEX lines |
| Stepless Ear Clamps | Continuous band for consistent grip | Demanding hose assemblies |
| Oetiker clamp design | Recognized performance and broad industry use | OEM and aftermarket installations |
How To Select The Right Stepless Ear Clamp And Pinch Clamp Size Chart
Choosing the right clamp starts with precise measurement and a thorough review of the Pinch Clamp Size Chart. When the correct Stepless Ear Clamp is chosen, the connection is less likely to leak, crush the hose, or fail early. Here are practical steps to help you make the right choice and ensure a perfect fit.
To measure hose O.D., take the measurement after the fitting is fully inserted. Record the assembled outside diameter in inches or millimeters. For best results, choose a clamp range that places the measured hose O.D. near the middle of the listed range.
Oetiker 167 Series Stepless® Ear Clamps are a useful example for understanding range selection. If the Oetiker Inc. spec ranges from 1.547″–1.673″ (39.3mm–42.5mm), select a clamp that positions your measured O.D. near the midpoint. That sizing approach helps avoid clamps that are too loose or too aggressively compressed.
Interpreting a Pinch Clamp Size Chart requires examining minimum and maximum closure diameters and aligning series details with your application. Ear width, band width, and band thickness also matter because they affect clamping force, fit, and pressure distribution.
The chart should be used to compare the clamp’s ear width, band width, and band thickness before ordering. For example, 167 Series Stepless® Ear Clamps may list a 10.0mm ear width, 7mm band width, and 0.6mm band thickness. The clamp ear should reduce by at least 40% during crimping so adequate clamping force is achieved.
Material and specification choices affect longevity and compliance. Stainless steel is often chosen for its corrosion resistance and durability. Confirm adherence to plumbing or PEX standards when necessary and verify manufacturer SKUs for exact matches.
Before making a purchase, consider packaging and ordering details. Many clamps come in bags of 100. Ensure part numbers from Oetiker Inc. and suppliers match your needs for correct quantities and appropriate band width.
Best Installation Practices For Long-Term Clamp Reliability
Proper installation is key to a hose assembly’s longevity. Follow safe installation steps for Stepless Ear Clamp, use the right tools, and plan quantities to avoid delays in maintenance or production.
Proper Clamping Procedure
Begin by fully inserting the fitting into the hose. Position the clamp so the ear is accessible. A dedicated ear clamping tool helps crimp the ear without twisting, distorting, or damaging the band. For dual-ear designs, compress the first ear, then the second to obtain uniform compression around the hose.
Target ear deformation should produce clamp ears reduction of at least 40 percent. When the clamp is correctly sized, the ear should not have to close completely to achieve sealing force. After installation, inspect the band, hose, and fitting for even contact, visible gaps, cuts, or other damage.
Safety And Tooling Tips For Clamp Installation
Choose a crimping tool designed for the clamp series so the ear deforms correctly without damaging the hose. Oetiker® ear clamping tools are often used in professional workshops because they help produce repeatable crimps.
When crimping clamps, wear gloves and eye protection to reduce risk from slips, edges, or metal fragments. Do not use makeshift tools that may create uneven compression, sharp marks, or damaged clamp ears. For repeated production work, bench-mounted or powered crimpers can improve consistency and reduce operator fatigue.
Packaging And Quantity Notes For Buyers
Many industrial suppliers package Stepless Ear Clamps in 100-piece bags. Purchasing by the bag helps maintain inventory for repairs, maintenance, assembly work, and production runs.
Check bag weight and SKU before ordering to confirm size range and material. Installation Parts Supply offers common clamp sizes and related tools; verify part numbers and order spare clamps to cover rework or replacements.
| Item | Common Pack | Example Bag Weight | Notes For Buyers |
|---|---|---|---|
| Small-size stepless clamp | Bag of 100 | ~2 lb | Verify range, series, and material before ordering spares |
| Medium-size stepless clamp | 100-piece bag | approximately 3 lb | Buy by bag to support maintenance and production planning |
| Large Stepless Ear Clamp | 100 per bag | about 4 lb | Verify SKU and size; check clamp ears reduction spec |
| Ear clamping tool | one tool per package | about 1.5 lb | Select a tool matched to the clamp series for consistent crimping |
Where To Buy Stepless Ear Clamps And Trusted Oetiker Clamp Brands
When dependable hose clamps are required, supplier selection matters almost as much as clamp selection. Technicians need trusted brands, clear specifications, and accurate product details to choose the correct part. They help ensure parts meet code and performance standards. Before ordering, review supplier resources for size range, material, packaging quantity, and manufacturer part number.
Oetiker Inc. is strongly associated with stepless clamps used across plumbing, industrial, automotive, and maintenance applications. Their Stepless® Ear Clamps are made of stainless steel, with a 7mm band width and 0.6mm band thickness. For instance, the Oetiker 16705828 Stepless® Ear Clamp has a range of 1.547″–1.673″ (39.3mm–42.5mm), often sold in bags of 100.
Oetiker Inc. Product Highlights
Oetiker Clamp products are known for uniform compression and corrosion resistance. They also have burr-free edges, protecting PEX tubing and other hoses. Standard packaging includes part number, clamp range, and bag quantity, making ordering and inventory checks straightforward.
What To Check When Comparing Suppliers
When reviewing suppliers, confirm that the parts are authentic and that the listed material specifications are complete. Check that stainless steel grade, band width, ear width, band thickness, and size range match your application. Cross-check part numbers and packaging counts for compatibility.
A useful supplier should provide accurate product information, measurement guidance, and access to a pinch clamp size chart. Look for clear measurement guidance and access to proper crimping tools. Consider lead times, shipping costs, and minimum order quantities. For estimating shipping, a 100-piece bag may weigh about 4 lbs depending on clamp size and series.
Online Ordering Through Installation Parts Supply
Installation Parts Supply offers clamps, fittings, and tools for contractors and maintenance teams. When buying online, confirm clamp series, size range, material, and packaging before checkout. Product pages and size charts should be used together to reduce the chance of selecting the wrong clamp.
Request technical data or specifications from the supplier for code compliance or warranty documentation. Clear product pages and reliable customer support minimize the risk of ordering the wrong pinch clamp size chart or incorrect Oetiker Clamp series.
Conclusion
Stepless Ear Clamps provide significant advantages for those requiring dependable hose fittings. They support uniform compression, which lowers leaks and damage to hoses. These benefits apply across automotive, marine, industrial, plumbing, and PEX tubing applications. The use of stainless steel in Oetiker Clamps supports long-lasting corrosion resistance and consistent performance.
For buyers and installers, the most important steps are easy to summarize. Accurate measurement of hose O.D. is essential. It’s also important to refer to a pinch clamp size chart and choose a clamp with a range that matches the O.D. A correct ear clamping tool should be used to reach at least 40% ear reduction. That crimping target helps produce the intended clamping force and sealing performance.
When making a purchase, focus on verified specifications like band thickness and ear width. Many prefer Oetiker Inc. Stepless® Ear Clamps, such as Group 167 with a 7mm band width. These clamps are commonly available in bulk packaging, often 100 per bag. Reliable distributors such as Installation Parts Supply provide product listings, size chart resources, installation tools, and related accessories. These resources help U.S.-based buyers select and install the correct clamps with greater confidence.
