
d - self-clamping, robust retaining ring, short version, low weight 1 - automatic retightening during drilling proportional to clamping force to d 3 maintain the gripping force even under difficult conditions
Use: For rapid clamping and releasing of tools on stationary or hand-guided power drills N = heavy industrial version, for stationary drills S = light weight version, mainly for hand-held impact drills *shortened: B16 by 2.5 mm / B18 by 7 mm.
| Size | 214500 | Clamping range mm | d1 mm | d3 mm | l1 mm | Size | 214500 | Clamping range mm | d1 mm | d3 mm | l1 mm |
| 6N | | 0�0 - 6�5 | 35�0 | B10 | 68�6 | 13S-1 | | 1�0 - 13�0 | 42�5 | B16 | 93�3 |
| 6N-1 | | 0�0 - 6�5 | 35�0 | B12 | 68�6 | 13N | | 1�0 - 13�0 | 46�0 | B16 | 101�5 |
| 8N | | 0�0 - 8�0 | 35�8 | B12 | 76�9 | 16S | | 3�0 - 16�0 | 46�0 | B16 | 106�0 |
| 10N | | 0�0 - 10�0 | 40�2 | B12 | 86�1 | 16S-1 | | 3�0 - 16�0 | 46�0 | B18 | 102�0 |
| 10N-1 | | 0�0 - 10�0 | 40�2 | B16 | 89�1 | 16N | | 3�0 - 16�0 | 51�0 | B16 | 106�8 |
| 13S | | 1�0 - 13�0 | 40�2 | B12 | 86�1 | 16N-1 | | 3�0 - 16�0 | 51�0 | B18 | 106�8 |
Design and use: d Self-clamping, like 214500 but with thread socket. 1 d 3 S = light weight version, mainly for hand-held impact drills.
| Size | 214520 | Clamping range mm | d1 mm | d3 mm | l1 mm | Size | 214520 | Clamping range mm | d1 mm | d3 mm | l1 mm |
| 8S | | 0�0-8�0 | 35�0 | 3/8"-24 | 68�6 | 13S | | 1�0-13�0 | 42�5 | 3/8"-24 | 89�8 |
| 10S | | 0�5-10�0 | 35�8 | 3/8"-24 | 76�9 | 13S-1 | | 1�0-13�0 | 42�5 | 1/2"-20 | 89�8 |
| 10S-1 | | 0�5-10�0 | 35�8 | 1/2"-20 | 76�9 | 16S | | 3�0-16�0 | 46�0 | 1/2"-20 | 97�5 |
Design: d - like 214500-214520, but percussion-proof quick-action keyless chuck for percussion drills 1 d - self-clamping, accident-proof by clamping force safety device 3 B16 shortened by 2.5 mm.
| Size | 214600 | Clamping range mm | d1 mm | d3 mm | l1 mm | Size | 214600 | Clamping range mm | d1 mm | d3 mm | l1 mm |
| 10SK | | 0�5 - 10�0 | 40�0 | B12 | 75�7 | 13SK-1 | | 1�0 - 13�0 | 42�8 | B16 | 89�3 |
| 13SK | | 1�0 - 13�0 | 42�8 | B12 | 86�1 | 13SK-2 | | 1�0 - 13�0 | 42�8 | 1/2"-20 | 83�3 |
| Design: - self-clamping chuck with high runout precision | Use: For high speeds with high accuracy on drilling | d1 |
| - automatic increase of clamping force | machines, boring mills etc. | d3 |
| - wearing parts hardened, ground and exchangeable | B18shortened by 7 mm. |
| Size | 214620 | Clamping range mm | d1 mm | d3 mm | l1 mm |
| 4/B10 | | 0- 4�0 | 28 | B10 | 53�3 |
| 6/B12 | | 0- 6�5 | 35 | B12 | 68�6 |
| 10/B12 | | 0-10�0 | 43 | B12 | 90�1 |
| 10/B16 | | 0-10�0 | 43 | B16 | 90�1 |
| 13/B16 | | 1-13�0 | 50 | B16 | 102�5 |
| 16/B16 | | 3-16�0 | 55 | B16 | 106�8 |
| 16/B18 | | 3-16�0 | 55 | B18 | 106�8 |