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Ear Clamps

| Nominal Size |
Inches |
Price |
| Closed |
Open |
| 3/8" |
.350 |
.414 |
$12.80 |
| 7/16 |
.381 |
.444 |
12.95 |
| 15/32 |
.394 |
.486 |
13.15 |
| 1/2 |
.453 |
.542 |
13.30 |
| 35/64 |
.472 |
.551 |
13.45 |
| 9/16 |
.496 |
.571 |
13.60 |
| 5/8 |
.543 |
.618 |
13.75 |
| 11/16 |
.594 |
.669 |
13.95 |
| 23/32 |
.618 |
.728 |
14.10 |
| 3/4 |
.669 |
.779 |
14.25 |
| 13/16 |
.716 |
.827 |
14.40 |
| 7/8 |
.779 |
.890 |
14.60 |
| 15/16 |
.839 |
.949 |
14.75 |
| 1 |
.898 |
1.008 |
14.90 |
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| Nominal Size |
Inches |
Price |
| Closed |
Open |
| 1 1/16" |
.945 |
1.067 |
$15.05 |
| 1 1/8 |
1.004 |
1.126 |
15.20 |
| 1 3/16 |
1.063 |
1.185 |
15.35 |
| 1 5/16 |
1.181 |
1.303 |
15.60 |
| 1 3/8 |
1.240 |
1.362 |
15.90 |
| 1 15/32 |
1.358 |
1.480 |
16.30 |
| 1 9/16 |
1.437 |
1.559 |
16.95 |
| 1 5/8 |
1.492 |
1.614 |
17.30 |
| 1 11/16 |
1.551 |
1.673 |
17.60 |
| 1 23/32 |
1.610 |
1.732 |
17.95 |
| 1 3/4 |
1.669 |
1.791 |
18.25 |
| 1 13/16 |
1.728 |
1.850 |
18.55 |
| 1 7/8 |
1.787 |
1.909 |
18.90 |
| 1 15/16 |
1.846 |
1.968 |
19.20 |
| 2 |
1.905 |
2.028 |
19.50 |
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Single Ear Clamps
Zinc plated 1/4" Steel Band, .030 thick. Sold 100 per bag
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| Nominal Size |
Inches |
Price |
| Closed |
Open |
| 3/16" |
.118 |
.197 |
$24.00 |
| 1/4 |
.197 |
.276 |
24.80 |
| 5/16 |
.276 |
.354 |
25.60 |
| 3/8 |
.315 |
.433 |
27.20 |
| 7/16 |
.354 |
.433 |
27.20 |
| 1/2 |
.433 |
.512 |
28.80 |
| 9/16 |
.512 |
.591 |
30.40 |
| 19/32 |
.591 |
.669 |
32.00 |
| 5/8 |
.591 |
.708 |
32.80 |
| 3/4 |
.669 |
.787 |
35.20 |
| 13/16 |
.748 |
.866 |
39.20 |
| 7/8 |
.787 |
.905 |
40.80 |
| 15/16 |
.866 |
.984 |
44.00 |
| 1 |
.905 |
1.063 |
47.20 |
| 1 1/8 |
1.063 |
1.220 |
52.80 |
| 1 3/16 |
1.102 |
1.220 |
54.40 |
| 1 7/16 |
1.339 |
1.457 |
58.40 |
| 1 1/2 |
1.457 |
1.575 |
60.80 |
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Zinc plated Steel Band. Sold 100 per bag. When ordering Double Ear Clamps, select nominal clamp size nearest to, but always larger than, O.D. of material to be clamped after insert has been fitted. |
Double Ear Clamps
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| Nominal Size |
Inches |
Price |
| Closed |
Open |
| 9/32" |
.228 |
.275 |
$34.88 |
| 3/8 |
.307 |
.374 |
34.88 |
| 7/16 |
.378 |
.445 |
35.20 |
| 1/2 |
.425 |
.524 |
35.20 |
| 35/64 |
.453 |
.551 |
35.40 |
| 9/16 |
.472 |
.571 |
35.85 |
| 5/8 |
.520 |
.618 |
36.20 |
| 11/16 |
.571 |
.669 |
36.40 |
| 3/4 |
.654 |
.779 |
42.25 |
| 13/16 |
.701 |
.827 |
42.90 |
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Technical Information: Stepless Ear Clamps hold against pressure and vibration or material shrinkage due to temperature changes or aging. A built-in spring action permits the clamp to "breathe" without loosening. When installing Stepless Ear Type Clamps over an object, please note that each ear must be crimped closed to obtain a proper seal.
Note: When ordering Stepless Ear Clamps, select the nominal size nearest to, but always larger than, the outside diameter of the material to be clamped. That outside diameter should be determined with connection fully assembled. |
Stepless Ear Clamps
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Oetiker Clamp Tools for Pinch-On Clamps


-304 Stainless Steel
-Assured clamping seal
-For low durometer and/or thin-walled hose/tubing
-Perfected for silicon, vinyl, polyurethane or other high-tech materials used in all industries
-Once installed, smooth inner band circumference prevents damage to the hose while the unique tongue-in-groove design provides a 360° seal.
-There are no steps or gaps inside the clamp
-Install clamps using Oetiker clamp tools.
Standard Price (shown): $20.50
Side Jaw Pincers: $23.40
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