Page 358 - Carbide drills I Thread cutting tools 2023
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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.
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.
Chip flow
Tool with chip flow in feed direction.
Tool with chip flow against the feed direction.
Tool for short chipping work piece materials.
Cold forming taps
Tool with polygon profile without lubrication grooves.
Tool with polygon profile with lubrication grooves.
Thread milling cutters
The tool is suitable for the fabrication of internal threads.
The tool is suitable for the fabrication of external threads.
fraisa.com
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