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 Z-PRO Straight Fluted Taps for Cast Irons ① Size Class Code Chamfer L (mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutesTYPEM16 × 1.5ISO2X3104101116C(2.5P)10021-511291243 M18 × 2.5 ISO2X 3104101128 C(2.5P) 125 33 - 64 14 11 14 4 4 M18 × 1.5 ISO2X 3104101130 C(2.5P) 110 24 - 56 14 11 14 4 3 M20 × 2.5 ISO2X 3104101141 C(2.5P) 140 33 - 71 16 12 15 4 4 ② M20 × 1.5 ISO2X 3104101144 C(2.5P) 125 24 - 64 16 12 15 4 3 M22 × 2.5 ISO2X 3104101156 C(2.5P) 140 33 - 71 18 14.5 17 4 4 M22 × 1.5 ISO2X 3104101158 C(2.5P) 125 24 - 64 18 14.5 17 4 3 M24 × 3 ISO2X 3104101167 C(2.5P) 160 37 - 82 18 14.5 17 4 4 M24 × 1.5 ISO2X 3104101170 C(2.5P) 140 27 - 71 18 14.5 17 4 3 ③ For G Threads G 1/8-28 - 3104130004 C(2.5P) 90 19 - 46 7 5.5 8 4 3 G 1/4-19 - 3104130006 C(2.5P) 100 21 - 51 11 9 12 4 3 G 3/8-19 - 3104130008 C(2.5P) 100 21 - 51 12 9 12 4 3 G 1/2-14 - 3104130009 C(2.5P) 125 24 - 64 16 12 15 4 3 ④ G 3/4-14 - 3104130011 C(2.5P) 140 27 - 71 20 16 19 4 3 G 1 -11 - 3104130013 C(2.5P) 160 29 - 82 25 20 23 4 3 ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ DIN ④-101 ※ This product is different from JIS products in shape and dimensions, please be careful when using.