These Oetiker® 1-Ear Clamps have a Mechanical Interlock which is superior to any other joint. Spot welding techniques are not used and therefore the possibility of failure due to corrosion at the spot weld is eliminated. All 1-EAR CLAMPS feature the ear with the "dimple", the simple design difference that not only adds increased strength to the grip of the clamp, but also creates a spring-like action allowing the clamp to "breathe" without loosening. 1-Ear Clamps are used in places where clamping a second ear is impractical, or where a quick, repeatable and compact assembly is important in conjunction with a small clamping range. The lightweight, 7.00 mm version featured on this page is made of austenitic stainless steel for extra strength and anti-corrosive properties. The chemical composition and mechanical properties provide an exceptional combination of ductility and toughness.
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Item #

Item Name

Band Width (Decimal)

Material Thickness (Decimal)

Maximum Clamp Size

Minimum Clamp Size

N/A 77.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.031 in77.00 mm N/A 2.909 in73.90 mm
N/A 78.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.091 in78.50 mm N/A 2.969 in75.40 mm
N/A 80.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.150 in80 mm N/A 3.028 in76.90 mm
N/A 81.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.209 in81.50 mm N/A 3.087 in78.40 mm
N/A 83.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.268 in83.00 mm N/A 3.146 in79.90 mm
N/A 84.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.327 in84.50 mm N/A 3.205 in81.40 mm
N/A 86.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.386 in86.00 mm N/A 3.264 in82.90 mm
N/A 87.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.445 in87.50 mm N/A 3.323 in84.40 mm
N/A 89.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.504 in89.00 mm N/A 3.382 in85.90 mm
N/A 90.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.563 in90.50 mm N/A 3.441 in87.40 mm
N/A 92.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.622 in92.00 mm N/A 3.500 in88.90 mm
N/A 93.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.681 in93.50 mm N/A 3.559 in90.40 mm
N/A 95.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.740 in95.00 mm N/A 3.618 in91.90 mm
N/A 96.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.799 in96.50 mm N/A 3.677 in93.40 mm
N/A 98.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.858 in98.00 mm N/A 3.736 in94.90 mm
N/A 99.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.917 in99.50 mm N/A 3.795 in96.40 mm
N/A 10.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 0.413 in10.50 mm N/A 0.350 in8.90 mm
N/A 13.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 0.531 in13.50 mm N/A 0.452 in11.50 mm
N/A 13.80 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 0.543 in13.80 mm N/A 0.468 in11.90 mm
N/A 101.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 3.976 in101.00 mm N/A 3.854 in97.90 mm
N/A 102.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 4.035 in102.50 mm N/A 3.913 in99.40 mm
N/A 104.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 4.094 in104.00 mm N/A 3.972 in100.90 mm
N/A 105.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 4.153 in105.50 mm N/A 4.031 in102.40 mm
N/A 107.00 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 4.212 in107.00 mm N/A 4.090 in103.90 mm
N/A 108.50 Millimeter (mm) Maximum Size 1-Ear Stainless Steel Clamp with Mechanical Interlock N/A 0.275 in7.00 mm N/A 0.6 mm0.024 in N/A 4.271 in108.50 mm N/A 4.149 in105.40 mm
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