For hose connections that need a dependable seal, Stepless Ear Clamps are a smart fastening choice. Because the band is continuous and step-free, pressure is distributed more evenly around the hose. Compared with many traditional clamp styles, this design helps reduce pressure points, hose distortion, and leak potential.
Oetiker Inc
Stepless Ear Clamps are common in vehicle, manufacturing, and marine hose assemblies where a dependable seal matters. They also serve plumbing work, PEX tubing jobs, repair tasks, and home workshop projects. Many models use stainless steel construction, and Group 167 Stepless® clamps commonly feature a 7 mm band width to help provide consistent compression.
Oetiker Inc. is a trusted manufacturer of Oetiker Clamp products, including the Stepless® 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. Each bag weighs approximately 4 lbs, simplifying inventory management for buyers.
Why Hose Fittings Benefit From Stepless Ear Clamps
For many hose assemblies, Stepless Ear Clamps provide a simple and reliable sealing method. The continuous band helps apply even compression around the full hose circumference. This uniform pressure reduces high-stress points and helps preserve long-term seal integrity.
Leak Prevention Through Uniform Compression
Even radial pressure is essential for preventing leaks. Unlike some worm-gear clamps, Stepless Ear Clamps help avoid pressure gaps and uneven compression. Engineers frequently choose 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 offers robust corrosion resistance in harsh environments. Automotive, marine, and industrial systems gain from the durability of quality Stepless Ear Clamps. Certain models may align with ASTM-related plumbing or PEX requirements, supporting reliable long-term service where specifications apply.
Burr-Free Edges And Reduced Hose Damage
Narrow band width and burr-free edges reduce abrasion during installation and service. A burr-free Oetiker Clamp can hold flexible tubing securely without aggressively cutting into the hose surface. Together, smooth edges and even pressure help reduce premature hose failure and extend service life.

| Clamp Feature | Practical Benefit | Typical Application |
|---|---|---|
| Uniform compression | More consistent sealing force and reduced leak risk | Coolant hoses, fuel lines, and plumbing tubing |
| Rust-resistant construction | Better durability where moisture or salt is present | Marine lines and exposed equipment |
| Burr-free edges | Less hose abrasion, reduced puncture risk | Rubber tubing, flexible hose, and PEX lines |
| Continuous-band ear clamps | Uniform grip around the hose circumference | Demanding hose assemblies |
| Oetiker Clamp | Proven designs and industry acceptance | Original equipment and replacement applications |
How To Select The Right Stepless Ear Clamp And Pinch Clamp Size Chart
The correct clamp selection begins by measuring the assembled hose carefully and comparing the result with a Pinch Clamp Size Chart. Proper Stepless Ear Clamp selection prevents leaks, reduces hose damage, and boosts service longevity. Here are simple steps to help you make the right choice and ensure a perfect fit.
Measure the hose outside diameter only after the fitting has been fully seated inside the hose. 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. For a listed range such as 1.547″–1.673″ (39.3mm–42.5mm), the measured assembled O.D. should ideally fall near the center of that range. That sizing approach helps avoid clamps that are too loose or too aggressively compressed.
Interpreting a Pinch Clamp Size Chart involves 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.
Use the chart to compare ear width, band width, and band thickness. For instance, the 167 Series Stepless® Ear Clamps have ear width of 10.0mm, band width of 7mm, and band thickness of 0.6mm. Ensure the ear will reduce by at least 40% upon crimping for sufficient clamping force.
Material and specification choices influence longevity and compliance. Stainless steel is commonly selected because it resists corrosion and holds up well in demanding environments. Confirm adherence to plumbing or PEX standards when necessary and verify manufacturer SKUs for exact matches.
Before placing an order, review the packaging quantity, SKU, and listed size range. Many clamps come in bags of 100. Make sure the Oetiker Inc. part number and supplier listing match the quantity, material, range, and band width you need.
Best Installation Practices For Long-Term Clamp Reliability
Proper installation is critical to a hose assembly’s longevity. Use safe Stepless Ear Clamp installation steps, choose the correct crimping tool, and keep enough clamps on hand to avoid repair or production delays.
Recommended Clamping Steps
Start by assembling the hose and fitting. Position the clamp so the ear is accessible. Use a dedicated ear clamping tool to seat the clamp and avoid twisting 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.
Recommended Tools And Safety Tips
Choose a crimping tool designed for the clamp series so the ear deforms correctly without damaging the hose. Oetiker® ear clamping tool models are common choices in professional shops for reliable results.
Wear eye protection and gloves when crimping clamps to guard against metal burrs and tool slips. Avoid improvised tools that create uneven crimps or sharp edges. For repeated production work, bench-mounted or powered crimpers can improve consistency and reduce operator fatigue.
Quantity And Packaging Notes For Buyers
Industrial suppliers typically sell Stepless Ear Clamps in bag quantity packs of 100. Buying by bag keeps inventory steady for routine maintenance and production needs.
Before ordering, check the SKU, bag weight, clamp range, material, and series details. Installation Parts Supply offers common clamp sizes and installation tools, but part numbers should still be verified and spare clamps should be ordered for rework or replacements.
| Product Item | Typical Pack | Approximate Bag Weight | Notes For Buyers |
|---|---|---|---|
| Small Stepless Ear Clamp | 100-piece bag | approximately 2 lb | Check the O.D. range and material, then stock extras for repairs |
| Stepless Ear Clamp, medium | 100-piece bag | approximately 3 lb | Match bag quantities to expected usage and production timing |
| Stepless Ear Clamp, large | 100 per bag | about 4 lb | Review part number, clamp range, and crimping specification |
| Clamp crimping tool | 1 per box | about 1.5 lb | Use the correct tool to avoid uneven deformation and damaged clamps |
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. Reputable brands and detailed product information are essential for technicians. 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.
Key Oetiker Clamp Product Details
Oetiker Clamp products are known for uniform compression and corrosion resistance. They also have burr-free edges, protecting PEX tubing and other hoses. Typical packaging details include the part number, diameter range, and bag quantity, which makes purchasing and inventory checks easier.
Comparing Suppliers And What To Look For
When reviewing suppliers, confirm that the parts are authentic and that the listed material specifications are complete. Ensure stainless steel grade, band width, ear width, and band thickness match your needs. Compare the manufacturer part number and package count with your purchasing requirements before checkout.
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. Lead time, shipping cost, minimum order quantity, and bag weight should all be reviewed before ordering. A 100-piece bag typically weighs around 4 lbs for shipping estimates.
Buy Online From Installation Parts Supply
Installation Parts Supply carries clamps, fittings, and tools suited to contractors, maintenance teams, and repair shops. Before completing an online order, confirm the clamp series, diameter range, material, bag quantity, and tool compatibility. 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. Detailed product pages and responsive customer support help prevent ordering the wrong size, chart reference, or Oetiker Clamp series.
Conclusion
Stepless Ear Clamps provide significant advantages for those requiring dependable hose fittings. Their uniform compression helps reduce leaks, hose damage, and uneven stress around the fitting. These benefits apply across automotive, marine, industrial, plumbing, and PEX tubing applications. Stainless steel Oetiker Clamps support long-term corrosion resistance and consistent service performance.
For those purchasing and installing, the key points are straightforward. Measure the assembled hose outside diameter accurately before choosing a clamp. Use a pinch clamp size chart and select a clamp range that properly matches the measured 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 users choose Oetiker Inc. Stepless® Ear Clamps, including Group 167 options 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.
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