ER Tap Collets
ER Rigid Tapping Collets
![ER Rigid Tapping Collets](/images/catalog/products/ER-Rigid-Tapping-Collets.jpg)
For synchronous tapping operations using any ER collet chuck. Collet bore is exact tool diameter, with square drive, for accuracy and rigidity. Available sealed for coolant-through applications, as well as in DIN and JIS standard metric sizes.
HAND TAP SIZE |
A TAP SHANK DIAMETER |
ER40 SERIES TAP COLLET |
ER32 SERIES TAP COLLET |
ER25 SERIES TAP COLLET |
ER20 SERIES TAP COLLET |
ER16 SERIES TAP COLLET |
#0-6 |
.141 |
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#8 |
.168 |
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#10 |
.194 |
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#12 |
.220 |
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1/4 |
.255 |
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5/16 |
.318 |
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3/8 |
.381 |
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7/16 |
.323 |
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1/2 |
.367 |
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9/16 |
.429 |
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5/8 |
.480 |
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11/16 |
.542 |
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3/4 |
.590 |
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13/16 |
.652 |
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7/8 |
.697 |
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15/16 |
.760 |
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1 |
.800 |
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PIPE TAP SIZE |
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1/8 (SS) |
.313 |
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1/8 (LS) |
.437 |
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1/4P |
.562 |
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3/8P |
.700 |
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1/2P |
.687 |
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ER Tapping Collets with Axial Compensation
![ER Tapping Collets with Axial Compensation](/images/catalog/products/ER-Tapping-Collets-with-Axial-Compensation.gif)
For use with any ER collet chuck, these tapping collets help prevent tap breakage on machines requiring axial compensation. Friction-free ball-bearing drive. Metric sizes available upon request.
HAND TAP SIZE |
TAP SHANK DIAMETER |
ER40 CAT. NO. |
ER32 CAT. NO. |
ER25 CAT. NO. |
ER20 CAT. NO. |
ER16 CAT. NO. |
#0-6 |
.141 |
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#8 |
.168 |
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#10 |
.194 |
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#12 |
.220 |
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1/4 |
.255 |
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5/16 |
.318 |
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3/8 |
.381 |
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7/16 |
.323 |
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1/2 |
.367 |
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9/16 |
.429 |
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5/8 |
.480 |
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11/16 |
.542 |
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PIPE TAP SIZE |
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1/8P (LS) |
.437 |
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1/4P |
.562 |