Collet chuck ER Mini
• Made of alloyed case hardening steel
• Hardened 58 ± 2 HRC, min. 0.5 mm deep
• Tensile strength in core after case hardening approx. 950 N/mm²
• Taper DIN 254
• Taper angle tolerance AT3
• Taper surface accuracy Ra < 1 µm
• Concentricity 0.01 mm
• Tool holder DIN 69871
• To nest tools with cylinder shaft in collets acc. to DIN 6499 (ER)
Supplied: collet chuck complete with clamping nut.
| EAN | Taper shank | Clamping range | Nut Ø | Projection length | Collet size | Balancing quality |
|---|---|---|---|---|---|---|
| 4317784756235 | ST 40 | 0,5–7 mm | 16 mm | 70 mm | ER11 | G 2.5 at 25000 min-1 |
| 4317784756228 | ST 40 | 0,5–7 mm | 16 mm | 100 mm | ER11 | G 2.5 at 25000 min-1 |
| 4317784723381 | ST 40 | 0,5–7 mm | 16 mm | 160 mm | ER11 | G 2.5 at 25000 min-1 |
| 4317784756211 | ST 40 | 0,5–10 mm | 22 mm | 70 mm | ER16 | G 2.5 at 25000 min-1 |
| 4317784756204 | ST 40 | 0,5–10 mm | 22 mm | 100 mm | ER16 | G 2.5 at 25000 min-1 |
| 4317784723374 | ST 40 | 0,5–10 mm | 22 mm | 160 mm | ER16 | G 2.5 at 25000 min-1 |
| 4317784756198 | ST 40 | 0,5–16 mm | 35 mm | 70 mm | ER25 | G 2.5 at 25000 min-1 |
| 4317784756181 | ST 40 | 0,5–16 mm | 35 mm | 100 mm | ER25 | G 2.5 at 25000 min-1 |
| 4317784723367 | ST 40 | 0,5–16 mm | 35 mm | 160 mm | ER25 | G 2.5 at 25000 min-1 |
| 4317784723350 | ST 50 | 0,5–10 mm | 22 mm | 70 mm | ER16 | G 6.2 at 15000 min-1 |
| 4317784723343 | ST 50 | 0,5–10 mm | 22 mm | 100 mm | ER16 | G 6.2 at 15000 min-1 |
| 4317784723336 | ST 50 | 0,5–10 mm | 22 mm | 160 mm | ER16 | G 6.2 at 15000 min-1 |
| 4317784723329 | ST 50 | 0,5–16 mm | 35 mm | 70 mm | ER25 | G 6.2 at 15000 min-1 |
| 4317784723312 | ST 50 | 0,5–16 mm | 35 mm | 100 mm | ER25 | G 6.2 at 15000 min-1 |
| 4317784723305 | ST 50 | 0,5–16 mm | 35 mm | 160 mm | ER25 | G 6.2 at 15000 min-1 |