
| P | M | HSS- | DIN | DIN | Metric Chamfer form B | |
| N/mm2 | Co PM | 371 | ||||
| Metric | ||||||
| thread | from M12 | L | ||||
| 137600 | < 1500 | coated | 3,5-5 threads | |||
| vc = m/min. | DIN | P | ||||
| 137600 | 4-6 | 6H |
13 Design/Use: Through hole - for through-hole threads 13 - chamfer form B, 3.5-5 thread
- for short-chipping, hard materials
Dimensions: ≤ M6 = solid point > M8 = internal centring
| d | P | l | l | l | d | a | l | Core x | |
| 1 | 137600 | 1 | 2 | 4 | 2 | 3 | |||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | |
| M2,5 | | 0�45 | 50 | 9 | — | 2�8 | 2�1 | 5 | 2�05 |
| M3 | | 0�50 | 56 | 11 | 18 | 3�5 | 2�7 | 6 | 2�50 |
| M3,5 | | 0�60 | 56 | 12 | 20 | 4�0 | 3�0 | 6 | 2�90 |
| M4 | 0�70 | 63 | 13 | 21 | 4�5 | 3�4 | 6 | l 3�30 | |
| | 4 | ||||||||
| M5 | | 0�80 | 70 | 16 | 25 | 6�0 | 4�9 | 8 | 4�20 |
| M6 | | 1�00 | 80 | 19 | 30 | 6�0 | 4�9 | 8 | M2,5 - M10 5�00 |
| M8 | | 1�25 | 90 | 22 | 35 | 8�0 | 6�2 | 9 | 6�80 |
| M10 | | 1�50 | 100 | 24 | 39 | 10�0 | 8�0 | 11 | 8�50 |
| M12 | | 1�75 | 110 | 28 | — | 9�0 | 7�0 | 10 | 10�20 |
| M14 | | 2�00 | 110 | 30 | — | 11�0 | 9�0 | 12 | 12�00 |
| M16 | | 2�00 | 110 | 32 | — | 12�0 | 9�0 | 12 | 14�00 |
| M18 | | 2�50 | 125 | 34 | — | 14�0 | 11�0 | 14 | 15�50 |
| M20 | | 2�50 | 140 | 34 | — | 16�0 | 12�0 | 15 | 17�50 |
| M22 | | 2�50 | 140 | 34 | — | 18�0 | 14�5 | 17 | 19�50 |
| M24 | | 3�00 | 160 | 38 | — | 18�0 | 14�5 | 17 | 21�00 |
| M27 | | 3�00 | 160 | 38 | — | 20�0 | 16�0 | 19 | 24�00 |
| M30 | | 3�50 | 180 | 45 | — | 22�0 | 18�0 | 21 | 26�50 |
| M12 - M30 | |||||||||
| Machine tap for hard, short-chipping materials |
| P | M | HSS- | DIN | DIN | Chamfer form C | |||
| Cat. no. | 376 | |||||||
| N/mm2 | Co PM | 371 | ||||||
| Metric | ||||||||
| 137650 | < 1500 | thread | coated | from M12 | 15°Twist | L | ||
| 2-3 threads | ||||||||
| vc = m/min. | Metric | DIN | P | |||||
| 60° | 6H | 1.5 × D | ||||||
| 137650 | 6-8 | 13 |
Design/use: Blind hole - for blind hole threads - chamfer form C, 2-3 thread - for short-chipping, hard materials
| d | P | l | l | l | d | a | l | Core x | |
| 1 | 137650 | 1 | 2 | 4 | 2 | 3 | |||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | |
| M2,5 | | 0�45 | 50 | 9 | — | 2�8 | 2�1 | 5 | 2�05 |
| M3 | | 0�50 | 56 | 5 | 18 | 3�5 | 2�7 | 6 | 2�50 |
| M3,5 | 0�60 | 56 | 6 | 20 | 4�0 | 3�0 | 6 | l 2�90 | |
| | 4 | ||||||||
| M4 | | 0�70 | 63 | 7 | 21 | 4�5 | 3�4 | 6 | 3�30 |
| M5 | | 0�80 | 70 | 8 | 25 | 6�0 | 4�9 | 8 | M2,5 - M10 4�20 |
| M6 | | 1�00 | 80 | 10 | 30 | 6�0 | 4�9 | 8 | 5�00 |
| M8 | | 1�25 | 90 | 13 | 35 | 8�0 | 6�2 | 9 | 6�80 |
| M10 | | 1�50 | 100 | 15 | 39 | 10�0 | 8�0 | 11 | 8�50 |
| M12 | | 1�75 | 110 | 18 | — | 9�0 | 7�0 | 10 | 10�20 |
| M14 | | 2�00 | 110 | 20 | — | 11�0 | 9�0 | 12 | 12�00 |
| M16 | | 2�00 | 110 | 20 | — | 12�0 | 9�0 | 12 | 14�00 |
| M18 | | 2�50 | 125 | 25 | — | 14�0 | 11�0 | 14 | 15�50 |
| M20 | | 2�50 | 140 | 25 | — | 16�0 | 12�0 | 15 | 17�50 |
| M24 | | 3�00 | 160 | 30 | — | 18�0 | 14�5 | 17 | 21�00 |
| M27 | | 3�00 | 160 | 30 | — | 20�0 | 16�0 | 19 | 24�00 |
| M30 | | 3�50 | 180 | 35 | — | 22�0 | 18�0 | 21 | 26�50 |
M12 - M30