Tool Holders JIS B 6339 BT30/BT40/BT50
The spindle interface JIS B 6339 as the traditional interface for milling spindles distinguishes itself through it robust design Its field of application ranges from fine machining to heavy duty roughing The tool holder is pulled in the milling spindle with the help of an additional pull stud The centering takes place via the taper contact Therefore the JIS B 6339 interface is primarily
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