• 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 0.130 Inch (in) Maximum Size 1-Ear Clamp N/A 0.130 in3.30 mm N/A 2.90 mm0.114 in
N/A 0.138 Inch (in) Maximum Size 1-Ear Clamp N/A 0.138 in3.50 mm N/A 3.00 mm0.118 in
N/A 0.161 Inch (in) Maximum Size 1-Ear Clamp N/A 0.161 in4.10 mm N/A 3.30 mm0.130 in
N/A 0.181 Inch (in) Maximum Size 1-Ear Clamp N/A 0.181 in4.60 mm N/A 3.70 mm0.146 in
N/A 0.201 Inch (in) Maximum Size 1-Ear Clamp N/A 0.201 in5.10 mm N/A 4.10 mm0.161 in
N/A 0.220 Inch (in) Maximum Size 1-Ear Clamp N/A 0.220 in5.60 mm N/A 4.60 mm0.181 in
N/A 0.240 Inch (in) Maximum Size 1-Ear Clamp N/A 0.240 in6.10 mm N/A 5.10 mm0.201 in
N/A 0.260 Inch (in) Maximum Size 1-Ear Clamp N/A 0.260 in6.60 mm N/A 5.60 mm0.220 in
N/A 0.276 Inch (in) Maximum Size 1-Ear Clamp N/A 0.276 in7.00 mm N/A 6.10 mm0.240 in
N/A 0.315 Inch (in) Maximum Size 1-Ear Clamp N/A 0.315 in8.00 mm N/A 6.80 mm0.268 in
N/A 0.343 Inch (in) Maximum Size 1-Ear Clamp N/A 0.343 in8.70 mm N/A 7.50 mm0.295 in
N/A 0.374 Inch (in) Maximum Size 1-Ear Clamp N/A 0.374 in9.50 mm N/A 8.10 mm0.319 in
N/A 0.394 Inch (in) Maximum Size 1-Ear Clamp N/A 0.394 in10.00 mm N/A 8.50 mm0.335 in
N/A 0.413 Inch (in) Maximum Size 1-Ear Clamp N/A 0.413 in10.50 mm N/A 9.10 mm0.358 in
N/A 0.433 Inch (in) Maximum Size 1-Ear Clamp N/A 0.433 in11.00 mm N/A 9.30 mm0.366 in
N/A 0.445 Inch (in) Maximum Size 1-Ear Clamp N/A 0.445 in11.30 mm N/A 9.60 mm0.378 in
N/A 0.465 Inch (in) Maximum Size 1-Ear Clamp N/A 0.465 in11.80 mm N/A 10.10 mm0.398 in
N/A 0.472 Inch (in) Maximum Size 1-Ear Clamp N/A 0.472 in12.00 mm N/A 10.10 mm0.398 in
N/A 0.484 Inch (in) Maximum Size 1-Ear Clamp N/A 0.484 in12.30 mm N/A 10.30 mm0.406 in
N/A 0.504 Inch (in) Maximum Size 1-Ear Clamp N/A 0.504 in12.80 mm N/A 10.80 mm0.425 in
N/A 0.524 Inch (in) Maximum Size 1-Ear Clamp N/A 0.524 in13.30 mm N/A 11.30 mm0.445 in
N/A 0.543 Inch (in) Maximum Size 1-Ear Clamp N/A 0.543 in13.80 mm N/A 11.80 mm0.465 in
N/A 0.551 Inch (in) Maximum Size 1-Ear Clamp N/A 0.551 in14.00 mm N/A 12 mm0.472 in
N/A 0.571 Inch (in) Maximum Size 1-Ear Clamp N/A 0.571 in14.50 mm N/A 12.50 mm0.492 in
N/A 0.610 Inch (in) Maximum Size 1-Ear Clamp N/A 0.610 in15.50 mm N/A 13.50 mm0.531 in
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