fraisa.com 334 Legend to the product page of thread cutting tools Chamfer forms / Lead-in cone forms Chamfer form for taps according to DIN 2197, table 4, type B. The pitch number in the chamfer is between 3.5 and 5. Chip flow Tool with chip flow in feed direction. Cold forming taps Tool with polygon profile without lubrication grooves. Thread milling cutters The tool is suitable for the fabrication of internal threads. Chamfer form for taps according to DIN 2197, table 4, type C. The pitch number in the chamfer is between 2 and 3. Lead-in cone form for thread former according to DIN 2175, table 4: type C. The length of the lead-in cone is between 2 to 3 times the pitch. Lead-in cone form for thread former according to DIN 2175, table 4: type E. The length of the lead-in cone is at most double the pitch. Tool with chip flow against the feed direction. Tool for short chipping work piece materials. Tool with polygon profile with lubrication grooves. The tool is suitable for the fabrication of external threads.
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