THREADING BORING BAR SINR 004-K06 T-21 2.5 mm 4 flute ballnose Heavy roughing + semi-finishing operations
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THREADING BORING BAR SINR 004-K06 T-21 2.5 mm 4 flute ballnose Heavy roughing + semi-finishing operationsType: Internal threading boring bar Model: SINR 004 K06 T 21 Min Bore Diameter: ~4 mm (micro internal threading) Insert Type: K06 threading insert Thread Pitch Range: T 21 (for relatively larger pitch vs T 18) Application: Internal threading in small diameter holes.
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