Technical information Technical information – drilling Solid carbide taps A Terminology 1.Thread length 2.Neck diameter 4 Turning 3.Square head length 4.Total length 1 3 a a.Core diameter 2 c b.Cutting edge thickness c.Chip pocket B b d e d.Chamfer length d ea e.Thread profile angle th h id are f.Pitch u Sq g.Chamfer angle g w Milling f Chamfer and thread profile C Chip space and application Chip space type Features Application – Helical flute – For long-chipping materials Drilling – 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 Information Technical E Index C 176