Общий каталог ZCC-CT 2019 - страница 1117

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TurningMillingDrillingTechnicalInformationIndex 2 Technical information Technical information – drilling A Solid carbide tapsTerminology 1.Thread length 2.Neck diameter 4 3.Square head length 4.Total length 1 3 a a.Core diameter c b.Cutting edge thickness c.Chip pocket B b d eg Squwairdethhead d.Chamfer lengthe.Thread profile anglef.Pitchg.Chamfer angle f Chamfer and thread profile C Chip space and application Chip space type Features Application – Helical flute – For long-chipping materials – No chips inside the hole – Suitable for blind holes – Good entering performance – Usage in holes with groove – Simple centring Helical flute tap – Straight flute – For hard machining – Stable cutting edge – For short-chipping materials D – Easy regrinding – For through holes and blind holes–For wear material Straight flute tap E C 176