• 1-Ear Clamps
Oetiker® 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. These clamps have a smooth inner band surface, protecting the hose or bundle from damaged caused by pulsation, expansion or contraction.

1-Ear Clamps are suitable for use by OEMs, but are also ideal for maintenance, repair and service purposes. With this design of clamp, rubber hoses, plastic tubing, electrical cables, welding hoses, and numerous other materials can be rapidly and securely fastened.
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Item #

Item Name

Maximum Clamp Size

Minimum Clamp Size

N/A 0.630 Inch (in) Maximum Size 1-Ear Clamp N/A 0.630 in16 mm N/A 13.80 mm0.543 in
N/A 0.661 Inch (in) Maximum Size 1-Ear Clamp N/A 0.661 in16.80 mm N/A 14.60 mm0.575 in
N/A 0.689 Inch (in) Maximum Size 1-Ear Clamp N/A 0.689 in17.50 mm N/A 15.30 mm0.602 in
N/A 0.728 Inch (in) Maximum Size 1-Ear Clamp N/A 0.728 in18.50 mm N/A 16.30 mm0.641 in
N/A 0.767 Inch (in) Maximum Size 1-Ear Clamp N/A 0.767 in19.50 mm N/A 17.20 mm0.677 in
N/A 0.826 Inch (in) Maximum Size 1-Ear Clamp N/A 0.826 in21.00 mm N/A 18.70 mm0.736 in
N/A 0.925 Inch (in) Maximum Size 1-Ear Clamp N/A 0.925 in23.50 mm N/A 21.00 mm0.826 in
N/A 0.295 Inch (in) Maximum Size 1-Ear Clamp N/A 0.295 in7.50 mm N/A 6.50 mm0.256 in
N/A 0.590 Inch (in) Maximum Size 1-Ear Clamp N/A 0.590 in15.00 mm N/A 13.00 mm0.511 in
N/A 0.787 Inch (in) Maximum Size 1-Ear Clamp N/A 0.787 in20 mm N/A 17.70 mm0.696 in
N/A 0.814 Inch (in) Maximum Size 1-Ear Clamp N/A 0.814 in20.70 mm N/A 17.90 mm0.704 in
N/A 0.858 Inch (in) Maximum Size 1-Ear Clamp N/A 0.858 in21.80 mm N/A 19.50 mm0.767 in
N/A 0.964 Inch (in) Maximum Size 1-Ear Clamp N/A 0.964 in24.50 mm N/A 21.70 mm0.854 in
N/A 1.062 Inch (in) Maximum Size 1-Ear Clamp N/A 1.062 in27 mm N/A 24.10 mm0.948 in
N/A 1.208 Inch (in) Maximum Size 1-Ear Clamp N/A 1.208 in30.70 mm N/A 27.20 mm1.070 in
N/A 0.327 Inch (in) Maximum Size 1-Ear Clamp N/A 0.327 in8.30 mm N/A 7.10 mm0.280 in
N/A 0.354 Inch (in) Maximum Size 1-Ear Clamp N/A 0.354 in9.00 mm N/A 7.50 mm0.295 in
N/A 1.003 Inch (in) Maximum Size 1-Ear Clamp N/A 1.003 in25.50 mm N/A 22.70 mm0.893 in
N/A 0.885 Inch (in) Maximum Size 1-Ear Clamp N/A 0.885 in22.50 mm N/A 19.90 mm0.783 in
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