About the Product:
The Morse Taper ER Collet Chuck is a precision tool holder designed to combine the reliability of Morse taper shanks with the versatility of the ER collet system. It enables secure and accurate clamping of cutting tools in drilling, milling, and CNC machining applications, making it an essential accessory for both conventional and modern machines.
- ER Collet Chuck is also called ER Collet Adapter or Holders.
- Made from 20 MnCr5 & Case Hardened to 55 HRc approx.
- For best result: always insist on RR make Collets.
- It is DIN 6499.
- Assured premium quality.
MT ER Collet Chucks Have 2 Types:
- Tang Type
- Drawbolt Type
Dimension Chart for Collet Chucks MT Taper(DIN 6499): Drawbolt Type
| Shank Taper | Suitable for Collet | L mm |
L1 mm |
Ø D mm |
Ø D1 mm |
M | A/F mm |
| MT-2 | ER-32 | 64.0 | 80 | 54 | 17.780 | M10 | 24 |
| MT-2 | ER-40 | 64.0 | 87 | 63 | 17.780 | M10 | 24 |
| MT-3 | ER-32 | 81.0 | 80 | 54 | 23.825 | M12 | 24 |
| MT-3 | ER-40 | 81.0 | 87 | 63 | 23.825 | M12 | 24 |
| MT-4 | ER-32 | 102.5 | 69 | 54 | 31.267 | M16 | 32 |
| MT-4 | ER-40 | 102.5 | 91 | 63 | 31.267 | M16 | 32 |
| MT-4 | ER-45 | 102.5 | 96 | 68 | 31.267 | M16 | 32 |
| MT-5 | ER-40 | 129.5 | 97 | 63 | 44.399 | M20 | 45 |
| MT-5 | ER-45 | 129.5 | 101 | 68 | 44.399 | M20 | 45 |
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