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 ④ Hand Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk DIN GGST CH Z-PRO Straight Fluted Taps for Cast Irons with Coolant Through Hole, Blind Hole Use ① Size Class Code Chamfer L (mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes Coolant holesize(mm)TYPEM16 × 2ISO2X3205101114C(2.5P)11026-5612912422 M16 × 2 ISO2X 3206101114 E(1.5P) 110 26 - 56 12 9 12 4 2 2 M16 × 1.5 ISO2X 3205101116 C(2.5P) 100 21 - 51 12 9 12 4 2 2 M16 × 1.5 ISO2X 3206101116 E(1.5P) 100 21 - 51 12 9 12 4 2 2 ② M18 × 2.5 ISO2X 3205101128 C(2.5P) 125 33 - 64 14 11 14 4 2 2 M18 × 1.5 ISO2X 3205101130 C(2.5P) 110 24 - 56 14 11 14 4 2 2 M20 × 2.5 ISO2X 3205101141 C(2.5P) 140 33 - 71 16 12 15 4 2 2 M20 × 1.5 ISO2X 3205101144 C(2.5P) 125 24 - 64 16 12 15 4 2 2 ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ DIN ④-103 ※ This product is different from JIS products in shape and dimensions, please be careful when using.