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ER16 Single-Angle Tension Tap Collets
- Tension feature for applications that need synchronized tapping.
- Adjustable screws in back of collet act as a drive for the tap square.
- Can be used in all standard ER collet chucks.
- Available in inch sizes.
ER T-Only Tap Collet Inch/Metric ANSI
| mm tap s | in ize | ER12 D2 = 11,4mm L = 21,5mm | ER16 D2 = 17mm L = 27,5mm | ER20 D2 = 21mm L = 31,5mm | ER25 D2 = 26mm L = 34mm | ER32 D2 = 33mm L = 40mm | ER40 D2 = 41mm L = 46mm | D1 mm in |
| M3 & M3,15 & M3,5 | #0-#6 & 1/8 | 12ERTCT6 | 16ERTCT6 | 20ERTCT6 | 25ERTCT6 | — | — | 3,58 .141 |
| M4 | #8 & 5/32 | — | 16ERTCT8 | 20ERTCT8 | 25ERTCT8 | 32ERTCT8 | — | 4,27 .168 |
| M4,5 & M5 | #10 & 3/16 | — | 16ERTCT10 | 20ERTCT10 | 25ERTCT10 | 32ERTCT10 | — | 4,93 .194 |
| — | #12 & 7/32 | — | — | 20ERTCT12 | 25ERTCT12 | 32ERTCT12 | — | 5,59 .220 |
| M6 & M6,3 | #14 & 1/4 | — | — | 20ERTCT025 | 25ERTCT025 | 32ERTCT025 | 40ERTCT025 | 6,48 .255 |
| — | 1/8P(LS) | — | — | — | — | 32ERTCT012P | — | 7,94 .313 |
| M7 & M8 | 5/16 | — | — | — | 25ERTCT031 | 32ERTCT031 | 40ERTCT031 | 8,08 .318 |
| — | 7/16 | — | — | — | 25ERTCT043 | 32ERTCT043 | 40ERTCT043 | 8,20 .323 |
| M12 & M12,5 | 1/2 | — | — | — | 25ERTCT050 | 32ERTCT050 | 40ERTCT050 | 9,32 .367 |
| M10 | 3/8 | — | — | — | 25ERTCT037 | 32ERTCT037 | 40ERTCT037 | 9,68 .381 |
| M14 | 9/16 | — | — | — | — | 32ERTCT056 | 40ERTCT056 | 10,90 .429 |
| M16 | 5/8 | — | — | — | — | 32ERTCT062 | 40ERTCT062 | 12,19 .480 |
| M18 | 11/16 | — | — | — | — | — | 40ERTCT069 | 13,77 .542 |
| — | 3/4 | — | — | — | — | — | 40ERTCT075 | 14,99 .590 |
| M20 | 13/16 | — | — | — | — | — | 40ERTCT081 | 16,56 .652 |
| M22 | 7/8 | — | — | — | — | — | 40ERTCT087 | 17,70 .697 |
NOTE: 12ERTCT6 fits ER11 chucks. Full length of the gripping bore must be maintained to achieve maximum accuracy and safety.