BB Holder for Drill Thermal Friction Hot Melt Cooling Tool ER20 ER25 ER32 Stable Precision Workpiece Holding CNC刀具 it enhances the safety and

it enhances the safety and reliability of the cutting edge

5 D12 30  75  4T 12R1

Smooth surface for easier threading

RPM:2000~30000

BB Holder for Drill Thermal Friction Hot Melt Cooling Tool ER20 ER25 ER32 Stable Precision Workpiece Holding CNC刀具 it enhances the safety andBB Friction Drill Holder *Hoder does not contain a collet Robust Cooling Durable and Long Lasting *No Insert Honeycomb Ventilation Aluminum Alloy Heat Sink Utilizes a special aluminum alloy material with integrated cooling fins or discs to rapidly dissipate heat generated during operation, preventing overheating of the tool holder and extending its service life. 300% Increased Service Life High Precision Compatibility, Versatile Application *No Insert