BT30 ER16 2.76" 70mm 5PCS KIT Collet Chuck Tool Holder Balance 12000RPM BT30 5PC
5PCS BT30 ER16 Collet Chuck Tool Holder 2.76" 70mm CNC Milling Drilling Chucks Machines
  • This package contains 5 highly accurate collet chucks. Each collet chuck is made of high-quality metal, so it is very solid and durable. The chuck's shank type is BT30, the collet type is ER16 and its drawbar thread is M12. It has a very precise collet capacity.
  • Digital Number Engraving: We have engraved the corresponding model numbers on the chuck so that you can find the right model quickly when using them.
  • Smooth Surface: The surface of the chuck is polished, which not only makes the surface look smooth and shiny but also facilitates the user to hold it comfortably and tightly
  • Longer Processing Length: The collet has excellent clamping force, its processing length is 70 mm/76inch. So it can reach a further place to process the items.
  • Portable: Each chuck is very small and lightweight. The small size and light weight make it very easy to carry. You just need a small bag to hold and take away it easily.
5PCS BT30 ER16 Collet Chuck Tool Holder 2.76" 70mm CNC Milling Drilling Chucks Machines

Package Included

  • 5 x BT30 ER16 Collet Chucks

Specifications

  • Product Type: BT30 ER16
  • Material: 40Cr
  • Accuracy: 0.003-0.005 mm/0.00012-0.0002inch
  • Processing Length: 70mm/2.76inch
  • Draw Bar Threads: M12
  • Color: As Picture Shows
  • Quantity: 5 Pieces
  • Bottom Diameter: 28mm/1.1inch
  • Upper Diameter: 31.75mm/1.25inch
  • Net Weight:2.92kg/6.44lbs
  • Gross Weight:3.3kg/7.28lbs
 

5PCS BT30 ER16 Collet Chuck Tool Holder 2.76" 70mm CNC Milling Drilling Chucks Machines

5PCS BT30 ER16 Collet Chuck Tool Holder 2.76" 70mm CNC Milling Drilling Chucks Machines

5PCS BT30 ER16 Collet Chuck Tool Holder 2.76" 70mm CNC Milling Drilling Chucks Machines

High Precision

  • Its shank type is BT30, the collet type is ER16 and its drawbar thread is M12. It has an accuracy of 0.003-0.005 mm. So it can do the holding work precisely under the right usage.

Long Service Life

  • Each chuck is made of high-quality hard Cr40. The surface polishing treatment also allows it to be more anti-rust. So it has a long service life, you can use it with confidence.

Stable Holding

  • The chuck offers stronger holding and reduces the vibration of the tool. So it can hold the clamp drills, reamers, end mills or taps tightly and stably.
 
5PCS BT30 ER16 Collet Chuck Tool Holder 2.76" 70mm CNC Milling Drilling Chucks Machines

Widely Application

  • This product is widely used in the industrial field, it can be used for clamping drills, reamers, end mills, taps and much more
  • Notes
  • 1.CNC tool placement collets must exceed the effective clamping length of the collet hole to avoid incorrect locking, which may lead to damage.
  • 2.Use the correct wrench device and do not change it at will.
  • 3.Do not use the rod with a notch or a plane of the CNC cutting tools
  • 4.Do not air the lock.
  • 5.Please allow the slight color difference caused by the shooting light and 1-3 cm error due to manual measurement, and make sure you do not mind before ordering.

Key Features

High Precision: Itsshank type is BT30, the collet type is ER16and its drawbar thread is M12. It has an accuracy of 0.003-0.005 mm. So it can do the holding work precisely under the right usage.

Stable Holding: The chuck offers stronger holding and reduces the vibration of the tool. So it can hold the clamp drills, reamers, end mills or taps tightly and stably.

Longer Processing Length: The collet has excellent clamping force, its processing length is 70 mm/76inch. So it can reach a further place to process the items.

Wide Applications:This product is widely used in the industrial field, it can be used for clamping drills, reamers, end mills, taps and much more.

Portable: Each chuck is very small and lightweight. The small size and light weight make it very easy to carry. You just need a small bag to hold and take away it easily.

 

Details

Digital Number Engraving: We have engraved the corresponding model numbers on the chuck so that you can find the right model quickly when using them.

Smooth Surface: The surface of the chuck is polished, which not only makes the surface look smooth and shiny but also facilitates the user to hold it comfortably and tightly

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On Dec 22, 2025 at 19:24:55 PST, seller added the following information:

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