Collet chuck ER
• 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
• Balancing quality G 6.3 at 15000 min-1
• 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 |
|---|---|---|---|---|---|
| 4317784756174 | ST 40 | 1–10 mm | 32 mm | 63 mm | ER16 |
| 4317784756167 | ST 40 | 1–10 mm | 32 mm | 100 mm | ER16 |
| 4317784723466 | ST 40 | 1–10 mm | 32 mm | 160 mm | ER16 |
| 4317784756150 | ST 40 | 0,5–16 mm | 42 mm | 60 mm | ER25 |
| 4317784756143 | ST 40 | 0,5–16 mm | 42 mm | 100 mm | ER25 |
| 4317784723459 | ST 40 | 0,5–16 mm | 42 mm | 160 mm | ER25 |
| 4317784756136 | ST 40 | 2–20 mm | 50 mm | 70 mm | ER32 |
| 4317784756129 | ST 40 | 2–20 mm | 50 mm | 100 mm | ER32 |
| 4317784723442 | ST 40 | 2–20 mm | 50 mm | 160 mm | ER32 |
| 4317784756112 | ST 40 | 3–26 mm | 63 mm | 80 mm | ER40 |
| 4317784756105 | ST 40 | 3–26 mm | 63 mm | 100 mm | ER40 |
| 4317784723435 | ST 40 | 3–26 mm | 63 mm | 160 mm | ER40 |
| 4317784756099 | ST 50 | 1–10 mm | 32 mm | 70 mm | ER16 |
| 4317784756082 | ST 50 | 1–10 mm | 32 mm | 100 mm | ER16 |
| 4317784723428 | ST 50 | 1–10 mm | 32 mm | 160 mm | ER16 |
| 4317784756075 | ST 50 | 0,5–16 mm | 42 mm | 60 mm | ER25 |
| 4317784756068 | ST 50 | 0,5–16 mm | 42 mm | 100 mm | ER25 |
| 4317784723411 | ST 50 | 0,5–16 mm | 42 mm | 160 mm | ER25 |
| 4317784756051 | ST 50 | 2–20 mm | 50 mm | 70 mm | ER32 |
| 4317784756044 | ST 50 | 2–20 mm | 50 mm | 100 mm | ER32 |
| 4317784723404 | ST 50 | 2–20 mm | 50 mm | 160 mm | ER32 |
| 4317784756037 | ST 50 | 3–30 mm | 63 mm | 80 mm | ER40 |
| 4317784756020 | ST 50 | 3–30 mm | 63 mm | 100 mm | ER40 |
| 4317784723398 | ST 50 | 3–30 mm | 63 mm | 160 mm | ER40 |