ADAPTER BT30, BT40, BT50 FOR CNC MACHINE
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ADAPTER BT30, BT40, BT50 FOR CNC MACHINE

BT30, BT40, and BT50 adapters are types of tool holders for CNC machines that use the BT (Bridgeport Taper) standard, varying in size and application. BT30 is for light-duty, high-speed jobs on smaller machines, BT40 is a versatile, standard size, and BT50 is for heavy-duty operations requiring high torque and force. These adapters connect cutting tools to the machine’s spindle, with the size indicating the taper’s dimensions and the tool’s intended use. 
BT30
  • Description: A smaller taper designed for lighter machining tasks.
  • Application: Used in smaller machines for high-speed, high-precision operations.
  • Characteristics: Delivers high speed and precision. 
BT40
  • Description: A widely used, standard-size taper that offers a good balance between strength and versatility.
  • Application: Suitable for a wide range of applications, common in vertical machining centers and other CNC milling machines.
  • Characteristics: Provides a versatile solution for many machining needs. 
BT50
  • Description: A larger taper designed for heavy-duty applications.
  • Application: Ideal for operations that require significant force, torque, and stability, such as heavy-duty milling.
  • Characteristics: Delivers high torque and power for demanding jobs. 
Key features of BT adapters
  • Material: Often made from high-quality steel, like 20CrMnTi, for strength and durability. They are sometimes heat-treated to increase hardness.
  • Compatibility: They are built to fit the standard BT spindle interface of CNC machines and are compatible with various tool holding systems like collets and shrink fit chucks.
  • Performance: They are designed to hold cutting tools securely and accurately, contributing to precise milling and overall efficiency. 
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