For hose connections that need a secure seal, Stepless Ear Clamps are a smart fastening choice. Their design includes a continuous band without breaks or steps. This removes pressure points and substantially reduces leak risk compared to traditional clamps.
Oetiker Inc
Stepless Ear Clamps are common in vehicle, manufacturing, and boat-related hose assemblies where a dependable seal matters. 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.
Oetiker Inc. is a leading manufacturer of Oetiker Clamp products, including the Stepless® family. Many stepless ear clamps, such as Oetiker® Group 167 parts, are sold in quantities of 100. 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 Stepless Ear Clamps Work Well For Hose Fittings
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 minimizes high-stress points and supports long-term seal integrity.
Uniform Clamping Pressure And Fewer Leaks
A reliable hose seal depends on even radial pressure around the connection. Unlike some worm-gear clamps, Stepless Ear Clamps help avoid pressure gaps and uneven compression. Engineers frequently select Oetiker Clamp products for their consistent clamping force, which is critical for PEX, coolant, or fuel lines.
Durability And Corrosion Resistance
Stainless steel helps these clamps resist corrosion in wet, salty, hot, or demanding 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.
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 can hold flexible tubing securely without aggressively cutting into the hose surface. This combination reduces the risk of hose failure and supports its service life.

| Design Feature | Benefit | Common Application |
|---|---|---|
| Consistent clamping pressure | More consistent sealing force and reduced leak risk | Fuel lines, coolant hoses, PEX tubing |
| Stainless corrosion protection | Better durability where moisture or salt is present | Boat systems, outdoor machinery, and wet-area fittings |
| Smooth clamp edges | Reduced cutting, rubbing, and hose damage | Soft hose materials and flexible tubing |
| Stepless Ear Clamps | Step-free band design for steady retention | Applications requiring reliable hose retention |
| Oetiker clamp design | Proven designs and industry acceptance | Factory assembly and repair work |
Selecting The Correct Stepless Ear Clamp Size
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 supports service longevity. 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. Write down the assembled outside diameter in either inches, millimeters, or both. For best results, choose a clamp range that places the measured hose O.D. near the middle of the listed range.
The 167 Series Stepless® Ear Clamps make a prime example. 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. This reduces both under- and over-compression.
Interpreting a Pinch Clamp Size Chart means 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. Ensure the ear will reduce by at least 40% upon crimping for sufficient clamping force.
Clamp material and published specifications directly affect service life, compatibility, and compliance. Stainless steel is often chosen for its corrosion resistance and durability. When plumbing or PEX standards apply, confirm the specification and verify the manufacturer SKU before purchasing.
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.
How To Install Stepless Ear Clamps For Reliable Service
A hose assembly will last longer when the clamp is sized, positioned, and crimped correctly. Use safe Stepless Ear Clamp installation steps, choose the correct crimping tool, and keep enough clamps on hand to avoid repair or production delays.
Correct Stepless Ear Clamp Procedure
Start by assembling the hose and fitting. Position the clamp so the ear is accessible. A dedicated ear clamping tool helps crimp the ear without twisting, distorting, or damaging the band. With dual-ear designs, crimp one ear and then the other so compression remains even 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.
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 high-volume operations, consider bench-mounted or powered crimpers to standardize force and reduce operator fatigue.
Packaging And Quantity Notes For Buyers
Industrial suppliers typically sell Stepless Ear Clamps in bag quantity packs of 100. Purchasing by the bag helps maintain inventory for repairs, maintenance, assembly work, and production runs.
Before ordering, check the SKU, bag weight, clamp range, material, and series details. Installation Parts Supply offers common clamp sizes and related tools; verify part numbers and order spare clamps to cover rework or replacements.
| Clamp Item | Usual Package | Example Bag Weight | Notes For Buyers |
|---|---|---|---|
| Small-size stepless clamp | 100 per bag | ~2 lb | Verify range, series, and material before ordering spares |
| Medium-size stepless clamp | 100 per bag | approximately 3 lb | Order by bag quantity to match production schedules |
| Large-size stepless clamp | 100 per bag | about 4 lb | Confirm SKU, size range, and ear reduction requirement |
| Clamp crimping tool | one tool per package | approximately 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
Choosing the right supplier is important when you need reliable hose clamps. Reputable brands and detailed product information are essential for technicians. They help ensure parts meet code and performance standards. Before making a purchase, use supplier resources to confirm sizes, materials, and packaging.
Oetiker Inc. is recognized for its stepless clamps, widely used in plumbing and industrial sectors. Their Stepless® Ear Clamps are made of stainless steel, with a 7mm band width and 0.6mm band thickness. For example, Oetiker 16705828 covers 1.547″–1.673″ (39.3mm–42.5mm) and is commonly sold in 100-piece bags.
Key Oetiker Clamp Product Details
Oetiker Clamp products are commonly valued for even compression, secure retention, and corrosion resistance. Burr-free edges help protect PEX tubing, rubber hose, and other flexible materials from cuts and abrasion. Typical packaging details include the part number, diameter range, and bag quantity, which makes purchasing and inventory checks easier.
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.
Assess supplier services for accurate product information and availability of a pinch clamp size chart. Clear measuring instructions and proper crimping tools help reduce sizing and installation errors. 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.
Buying Online From Installation Parts Supply
Installation Parts Supply offers clamps, fittings, and tools for contractors and maintenance teams. 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. Clear product pages and reliable customer support minimize the risk of ordering the wrong pinch clamp size chart or incorrect Oetiker Clamp series.
Final Thoughts
For dependable hose fittings, Stepless Ear Clamps offer strong advantages in sealing consistency and hose protection. They create uniform compression, which lowers leaks and damage to hoses. This is true across various sectors, including automotive, marine, industrial, plumbing, and PEX applications. Stainless steel Oetiker Clamps support long-term corrosion resistance and consistent service performance.
For those purchasing and installing, the key points are clear. 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. Proper use of an ear clamping tool is necessary to achieve 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. Reputable distributors, including Installation Parts Supply, offer product listings, size chart resources, and accessories. These resources help U.S.-based buyers select and install the correct clamps with greater confidence.