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HSCo machine tap for through holes in nuts DIN 357
Long machine nut screw tap with overrun shaft for cutting nuts for metric threads in steel up to a strength of 800 N/mm².
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Long service life
Very long notch (approx. 2/3 of the thread length) and up to 4x more teeth compared to conventional machine taps
Particularly suitable for processing nuts
The groove and thread geometry has been designed specifically for processing nuts.
Sufficient coolant and lubricant must be added when cutting threads.
Before reversing the screw tap, the entire point of the tool must be removed from the drill hole. Failure to do so may cause cutting edges to chip or the tool to break.
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