
- long or extra long version front end of the extension is designed as a collet - by tightening the knurled clamping nut the collet and the tap are united - torque transmission is achieved via a square - the rear end of the extension follows DIN, allowing the extension to be mounted like a tap
Use: 13 In quick-change tap inserts or tap ER collets with square. For thread-cutting at inaccessible places such as subjacent recesses, ledges, hindering edges, extremely deep female threads or close to cast walls 2L
Note: 138605: suited for shrink fit chucks and hydraulic extension chucks
| 38605 | PRECIT | OOL, TE, | with interna | l cooling, h6 | 5 | |||||||
| Type | 138603 | 138605 | Thread nominalxd2 DIN 371 | Thread nominalxd2 DIN 374/376 | Shankxd2 mm | Square K1 mm | Clamping length l1 mm | xD3 mm | K2 mm | D4 mm | L² mm | L3 mm |
| 1 | | — | M2 - M2�6 | M4 | 2�8 | 2�1 | 22 | 6 | 4�9 | 6�1 | 60 | 130 |
| 1L | | — | M2 - M2�6 | M4 | 2�8 | 2�1 | 22 | 6 | 4�9 | 6�1 | 70 | 230 |
| 2 | | | M3 | M4�5 - M5 | 3�5 | 2�7 | 22 | 6 | 4�9 | 7�5 | 60 | 130 |
| 2L | | — | M3 | M4�5 - M5 | 3�5 | 2�7 | 23 | 6 | 4�9 | 7�5 | 70 | 230 |
| 3 | | | M4 | M6 | 4�5 | 3�4 | 23 | 6 | 4�9 | 8�4 | 60 | 130 |
| 3L | | — | M4 | M6 | 4�5 | 3�4 | 23 | 6 | 4�9 | 8�4 | 70 | 230 |
| 4 | | | M4�5 - M6 | M8 | 6�0 | 4�9 | 26 | 7 | 5�5 | 12�1 | 60 | 130 |
| 4L | | | M4�5 - M6 | M8 | 6�0 | 4�9 | 26 | 7 | 5�5 | 12�1 | 70 | 230 |
| 5 | | | M7 | M9 - M10 | 7�0 | 5�5 | 26 | 7 | 5�5 | 12�1 | 60 | 130 |
| 5L | | | M7 | M9 - M10 | 7�0 | 5�5 | 26 | 7 | 5�5 | 12�1 | 70 | 230 |
| 6 | | | M8 | M11 | 8�0 | 6�2 | 30 | 8 | 6�2 | 13�0 | 60 | 130 |
| 6L | | | M8 | M11 | 8�0 | 6�2 | 30 | 8 | 6�2 | 13�0 | 80 | 230 |
| 7 | | | M9 | M12 | 9�0 | 7�0 | 31 | 9 | 7�0 | 15�0 | 60 | 130 |
| 7L | | | M9 | M12 | 9�0 | 7�0 | 31 | 9 | 7�0 | 15�0 | 80 | 230 |
| 8 | | | M10 | — | 10�0 | 8�0 | 33 | 10 | 8�0 | 15�0 | 60 | 130 |
| 8L | | | M10 | — | 10�0 | 8�0 | 33 | 10 | 8�0 | 15�0 | 80 | 230 |
| 9 | | | — | M14 | 11�0 | 9�0 | 36 | 11 | 9�0 | 18�0 | 90 | 130 |
| 9L | | | — | M14 | 11�0 | 9�0 | 36 | 11 | 9�0 | 18�0 | 90 | 230 |
| 10 | | | — | M16 | 12�0 | 9�0 | 36 | 12 | 9�0 | 18�0 | 90 | 130 |
| 10L | | | — | M16 | 12�0 | 9�0 | 36 | 12 | 9�0 | 18�0 | 90 | 230 |
| 11 | | | — | M18 | 14�0 | 11�0 | 40 | 14 | 11�0 | 22�0 | 90 | 200 |
| 11L | | | — | M18 | 14�0 | 11�0 | 40 | 14 | 11�0 | 22�0 | 90 | 330 |
| 12 | | | — | M20 | 16�0 | 12�0 | 41 | 16 | 12�0 | 22�0 | 90 | 200 |
| 12L | | | — | M20 | 16�0 | 12�0 | 41 | 16 | 12�0 | 22�0 | 90 | 330 |
| 13 | | | — | M22 - M24 | 18�0 | 14�5 | 43 | 18 | 14�5 | 26�0 | 100 | 200 |
| 13L | | | — | M22 - M24 | 18�0 | 14�5 | 43 | 18 | 14�5 | 26�0 | 100 | 330 |
| Cat. no. 138920 138922 | P N/mm2 < 1400 | M N/mm2 < 1100 | K HB ≤300 vc = m/m | S N/mm2 < 1250 in. | N N/mm2 Copper < 700 Alu < 600 | Metric thread M 3 × D | VHM 6535 HA | coated UNI | Metric 60° | DIN 13 | Zähne 3-4 | 2 × D |
| 138920 138922 | 30-200 | 30-120 | 80-200 | 30-80 | 100-350 100-350 | shank |
Design: - thread milling cutter with single ring of teeth for female threads - 2 × D or 3 × D - TiCN coated - shank design HA
Use: Universally applicable tool for the manufacturing of internal threads from M1.4 to M3.5
| Type | 138920 | d1 | P mm | l1 mm | l4 mm | d2 mm | Z | fz mm/tooth | Type | 138922 | d1 | P mm | l1 mm | l4 mm | d2 mm | Z | fz mm/tooth |
| 0002 | | M1 | 0�25 | 39 | 2�3 | 3 | 3 | 0�005 - 0�020 | 0002 | | M1 | 0�25 | 39 | 3�4 | 3 | 3 | 0�005 - 0�020 |
| 0004 | | M1�2 | 0�25 | 39 | 2�5 | 3 | 3 | 0�005 - 0�020 | 0004 | | M1�2 | 0�25 | 39 | 3�7 | 3 | 3 | 0�005 - 0�020 |
| 0006 | | M1�4 | 0�30 | 39 | 2�9 | 3 | 3 | 0�005 - 0�020 | 0006 | | M1�4 | 0�30 | 39 | 4�3 | 3 | 3 | 0�005 - 0�020 |
| 0008 | | M1�6 | 0�35 | 39 | 3�5 | 3 | 3 | 0�005 - 0�020 | 0008 | | M1�6 | 0�35 | 39 | 5�2 | 3 | 3 | 0�005 - 0�020 |
| 0010 | | M1�8 | 0�35 | 39 | 3�7 | 3 | 3 | 0�005 - 0�020 | 0010 | | M1�8 | 0�35 | 39 | 5�5 | 3 | 3 | 0�005 - 0�020 |
| 0012 | | M2 | 0�40 | 39 | 4�1 | 3 | 4 | 0�005 - 0�020 | 0012 | | M2 | 0�40 | 39 | 6�1 | 3 | 4 | 0�005 - 0�020 |
| 0014 | | M2�2 | 0�45 | 39 | 4�5 | 3 | 4 | 0�010 - 0�060 | 0014 | | M2�2 | 0�45 | 39 | 6�7 | 3 | 4 | 0�010 - 0�060 |
| 0016 | | M2�3 | 0�40 | 39 | 4�7 | 3 | 4 | 0�010 - 0�060 | 0016 | | M2�3 | 0�40 | 39 | 7�0 | 3 | 4 | 0�010 - 0�060 |
| 0018 | | M2�5 | 0�45 | 39 | 5�3 | 3 | 4 | 0�010 - 0�060 | 0018 | | M2�5 | 0�45 | 39 | 7�9 | 3 | 4 | 0�010 - 0�060 |
| 0020 | | M3 | 0�50 | 39 | 6�2 | 3 | 4 | 0�010 - 0�060 | 0020 | | M3 | 0�50 | 39 | 9�2 | 3 | 4 | 0�010 - 0�060 |
| 0022 | | M3�5 | 0�60 | 39 | 7�2 | 3 | 4 | 0�010 - 0�060 | 0022 | | M3�5 | 0�60 | 39 | 10�7 | 3 | 4 | 0�010 - 0�060 |