ER Tap Rigid Collets – Inch
| d | SQ | d2 | ER 16 | ER20 | ER 25 | ER 32 | ER 40 |
|---|---|---|---|---|---|---|---|
| .141" | .110" | 1/8" or #6 | 05320-141 | 05410-141 | 05510-141 | 05570-141 | 05710-141 |
| .168" | .131" | 5/32" or #8 | 05320-168 | 05410-168 | 05510-168 | 05570-168 | 05710-168 |
| .194" | .152" | 3/16" or #10 | 05320-194 | 05410-194 | 05510-194 | 05570-194 | 05710-194 |
| .220" | .165" | 7/32" or #12 | 05320-220 | 05410-220 | 05510-220 | 05570-220 | 05710-220 |
| .255" | .191" | 1/4" | 05320-255 | 05410-255 | 05510-255 | 05570-255 | 05710-255 |
| .318" | .238" | 5/16" | 05320-318 | 05410-318 | 05510-318 | 05570-318 | 05710-318 |
| .323" | .242" | 7/16" | 05320-323 | 05410-323 | 05510-323 | 05570-323 | 05710-323 |
| .367" | .275" | 1/2" | 05320-367 | 05410-367 | 05510-367 | 05570-367 | 05710-367 |
| .381" | .286" | 3/8" | 05320-381 | 05410-381 | 05510-381 | 05570-381 | 05710-381 |
| .429" | .322" | 9/16" | 05510-429 | 05570-429 | 05710-429 | ||
| .437" | .328" | 1/8" NPT | 05510-437 | 05570-437 | 05710-437 | ||
| .480" | .360" | 5/8" | 05510-480 | 05570-480 | 05710-480 | ||
| .542" | .406" | 11/16" | 05570-542 | 05710-542 | |||
| .562" | .421" | 1/4" NPT | 05570-562 | 05710-562 | |||
| .590" | .442" | 3/4" | 05570-590 | 05710-590 | |||
| .652" | .489" | 13/16" | 05570-652 | 05710-652 | |||
| .687" | .515" | 1/2" NPT | 05710-687 | ||||
| .697" | .523" | 7/8" | 05710-697 | ||||
| .700" | .531" | 3/8" NPT | 05710-700 | ||||
| .760" | .570" | 15/16" | 05710-760 | ||||
| .800" | .600" | 1" | 05710-800 |
