DIN Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools Hand Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk④ DIN GGST CH ① Z-PRO   Straight Fluted Taps for Cast Irons with Coolant Through Hole, Blind Hole Use ② Specification ■Suitable for hard and abrasive Coating <2D materials such as cast irons. Considering comparatively quick wear, GGST CH is properlyRecommended Tapping Speeds depending on Materialsoversized.③ Cast irons Ductile cast irons 鋳鉄 強靱鋳鉄 20〜30 20〜30 (m/min) (m/min) ④ TYPE:1 TYPE:2 Coolant hole size Coolant hole size ⑤ Segment:1B ⑥ Size Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes Coolant holesize(mm)TYPE For Metric Threads M6 × 1 ISO2X 3205101055 C(2.5P) 80 15 30 45 6 4.9 8 4 1 1 M6 × 1 ISO2X 3206101055 E(1.5P) 80 15 30 45 6 4.9 8 4 1 1 ⑦ M7 × 1 ISO2X 3205101060 C(2.5P) 80 15 30 45 7 5.5 8 4 1 1 M7 × 1 ISO2X 3206101060 E(1.5P) 80 15 30 45 7 5.5 8 4 1 1 M8 × 1.25 ISO2X 3205101064 C(2.5P) 90 19 35 47 8 6.2 9 4 1 1 M8 × 1.25 ISO2X 3206101064 E(1.5P) 90 19 35 47 8 6.2 9 4 1 1 M8 × 1 ISO2X 3205101065 C(2.5P) 90 19 - 46 6 4.9 8 4 1 1 ⑧ M10 × 1.5 ISO2X 3205101078 C(2.5P) 100 23 39 52.5 10 8 11 4 1.5 1 M10 × 1.5 ISO2X 3206101078 E(1.5P) 100 23 39 52.5 10 8 11 4 1.5 1 M10 × 1.25 ISO2X 3205101079 C(2.5P) 100 23 - 51 7 5.5 8 4 1.5 1 M10 × 1.25 ISO2X 3206101079 E(1.5P) 100 23 - 51 7 5.5 8 4 1.5 1M10 × 1ISO2X3205101080C(2.5P)9019-4675.5841.51 ⑨ M10 × 1 ISO2X 3206101080 E(1.5P) 90 19 - 46 7 5.5 8 4 1.5 1 M12 × 1.75 ISO2X 3205101088 C(2.5P) 110 26 - 56 9 7 10 4 2 2 M12 × 1.75 ISO2X 3206101088 E(1.5P) 110 26 - 56 9 7 10 4 2 2 M12 × 1.5 ISO2X 3205101089 C(2.5P) 100 21 - 51 9 7 10 4 2 2 ⑩ M12 × 1.5 ISO2X 3206101089 E(1.5P) 100 21 - 51 9 7 10 4 2 2 M12 × 1.25 ISO2X 3205101090 C(2.5P) 100 21 - 51 9 7 10 4 2 2 M12 × 1.25 ISO2X 3206101090 E(1.5P) 100 21 - 51 9 7 10 4 2 2 M14 × 2 ISO2X 3205101100 C(2.5P) 110 26 - 56 11 9 12 4 2 2 M14 × 2 ISO2X 3206101100 E(1.5P) 110 26 - 56 11 9 12 4 2 2 ⑪ M14 × 1.5 ISO2X 3205101102 C(2.5P) 100 21 - 51 11 9 12 4 2 2 M14 × 1.5 ISO2X 3206101102 E(1.5P) 100 21 - 51 11 9 12 4 2 2 DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ④-102