• 1-Ear Carbon Steel Clamps with Mechanical Interlock
These Oetiker® 1-Ear Clamps have a Mechanical Interlock which, in many applications, 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 version featured on this page has an anti-corrosive electro-zinc coating.
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Item #

Item Name

Band Width (Decimal)

Maximum Clamp Size

Minimum Clamp Size

N/A 38.10 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.500 in38.10 mm N/A 35.00 mm1.378 in
N/A 39.60 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.559 in39.60 mm N/A 36.50 mm1.437 in
N/A 41.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.614 in41.00 mm N/A 37.90 mm1.492 in
N/A 42.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.673 in42.50 mm N/A 39.40 mm1.551 in
N/A 44.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.732 in44.00 mm N/A 40.90 mm1.610 in
N/A 45.40 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.787 in45.40 mm N/A 42.40 mm1.669 in
N/A 47.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.850 in47.00 mm N/A 43.90 mm1.728 in
N/A 48.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.909 in48.50 mm N/A 45.40 mm1.787 in
N/A 50.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 1.969 in50 mm N/A 46.90 mm1.846 in
N/A 51.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.028 in51.50 mm N/A 48.40 mm1.906 in
N/A 53.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.087 in53.00 mm N/A 49.90 mm1.965 in
N/A 54.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.146 in54.50 mm N/A 51.40 mm2.024 in
N/A 56.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.205 in56.00 mm N/A 52.90 mm2.083 in
N/A 57.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.264 in57.50 mm N/A 54.40 mm2.142 in
N/A 59.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.323 in59.00 mm N/A 55.90 mm2.201 in
N/A 60.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.382 in60.50 mm N/A 57.40 mm2.260 in
N/A 62.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.441 in62.00 mm N/A 58.90 mm2.319 in
N/A 63.50 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 2.500 in63.50 mm N/A 60.40 mm2.378 in
N/A 86.00 Millimeter (mm) Maximum Size 1-Ear Carbon Steel Clamp with Mechanical Interlock N/A 0.276 in7.00 mm N/A 3.385 in86.00 mm N/A 86.00 mm3.385 in
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