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 GG-HT ① Hand Taps for Cast Irons Specification ② ■Suitable for hard and abrasive materials <2D such as cast irons. Considering comparatively quick wear, GG-HT is Nitride properly oversized. TYPE:1 ③ Recommended Tapping Speeds depending on Materials Cast irons Ductile cast irons 鋳鉄 強靱鋳鉄 5〜10 5〜10 (m/min) (m/min) ④ TYPE:2 TYPE:3 ⑤ TYPE:4 TYPE:5 ⑥ ⑦ Segment:1B(G=1H) Size Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutesTYPEFor Metric Threads ⑧ M3 × 0.5 ISO2X TD3.0GBAENC 2.5P 56 9 18 34 3.5 2.7 6 3 1 M4 × 0.7 ISO2X TD4.0IBAENC 2.5P 63 13 21 38 4.5 3.4 6 4 1 M5 × 0.8 ISO2X TD5.0KBAENC 2.5P 70 14 25 39 6 4.9 8 4 1 M5 × 0.8 ISO2X TG5.0KBAENC 2.5P 70 14 - - 3.5 2.7 6 4 2 ⑨ M6 × 1 ISO2X TD6.0MBAENC 2.5P 80 15 30 45 6 4.9 8 4 1 M6 × 1 ISO2X TG6.0MBAENC 2.5P 80 15 - - 4.5 3.4 6 4 2 M8 × 1.25 ISO2X TD8.0NBAENC 2.5P 90 19 35 47 8 6.2 9 4 3 M8 × 1.25 ISO2X TG8.0NBAENC 2.5P 90 19 - 46 6 4.9 8 4 4 M8 × 1 ISO2X TM8.0MBAENC 2.5P 90 19 - 46 6 4.9 8 4 5 ⑩ M10 × 1.5 ISO2X TD010OBAENC 2.5P 100 23 39 52.5 10 8 11 4 3 M10 × 1.5 ISO2X TG010OBAENC 2.5P 100 23 - 51 7 5.5 8 4 4 M10 × 1.25 ISO2X TM010NBAENC 2.5P 100 23 - 51 7 5.5 8 4 5 M10 × 1 ISO2X TM010MBAENC 2.5P 90 19 - 46 7 5.5 8 4 5 M12 × 1.75 ISO2X TG012PBAENC 2.5P 110 26 - 56 9 7 10 4 4 ⑪ M12 × 1.5 ISO2X TM012OBAENC 2.5P 100 21 - 51 9 7 10 4 5 M12 × 1.25 ISO2X TM012NBAENC 2.5P 100 21 - 51 9 7 10 4 5 DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ④-96