MT3 MTA3 Taper Collet Chuck Holder For CNC Milling Lathe Carbon Steel Tool Holder With Hardened Shank DIN6499B 0.012mm Runout ER20 Compatible Pro Grade Built Tough High Precision Machining Part
✔️ MT3 taper shank, 0.012mm runout, Pack: 1, ER16/ER20/ER25/ER32
This MT3 Morse Taper Collet Chuck Holder is designed for CNC milling machines and lathes that accept MT3 tapers. Made from carbon steel and hardened with a tapered shank, it delivers durable, precise toolholding and is compatible with ER16/ER20/ER25/ER32 chucks via MT3 adapters. Ideal for high-precision milling tasks in hobbyist shops and professional workcells.
✅ 0.012 mm runout tolerance per DIN6499B
✅ Hardened carbon steel with tapered shank for durability
✅ MT3 milling chuck holder for high-precision toolholding
✅ Integral quenching and fine taper grinding for accuracy
✅ Compatible with ER16/ER20/ER25/ER32 chucks variants (MTA3-ER16-M12, MTA3-ER20-M12, MTA3-ER25-M12, MTA3-ER32-M12)
💡 What is a MT3 Morse taper collet chuck holder used for in CNC milling and lathe work?
The MT3 holder acts as a rigid interface between the spindle and tooling, ensuring concentric toolholding for stable, accurate milling and turning.
- MT3 Morse taper collet chuck holder provides secure mounting for MT3 tooling in CNC machines - Works with ER collets through compatible adapters to cover ER16/ER20/ER25/ER32 - DIN6499B tolerance of 0.012 mm helps minimize runout in high-speed milling - Carbon steel construction with hardened taper shank for long-term durability