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 DIN ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk DIN ① MHSP Z-PRO  Spiral Taps for Medium Hard Carbon Steels ② Specification ■ Most suitable for forgings from S48C to S55C Coating <2D and thermal refined materials (25 to 35 HRC) ■ Long life is achieved by the adoption of HSS ③ material and special coating for wear resistance. Recommended Tapping Speeds depending on Materials High carbon steels Alloy steels Thermal refined steels 高炭素鋼 合金鋼 調質鋼 10〜20 10〜20 10〜20 ④ (m/min) (m/min) (m/min)25〜35HRC TYPE:1 TYPE:2 ⑤ Segment:1D ⑥ Size Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutesTYPE For Metric Threads M8 × 1.25 ISO2X SD8.0NBOCLJ 2.5P 90 19 35 47 8 6.2 9 3 1 M10 × 1.5 ISO2X SD010OBOCLJ 2.5P 100 23 39 52.5 10 8 11 3 1 ⑦ M10 × 1.25 ISO2X SM010NBOCLJ 2.5P 100 23 - 51 7 5.5 8 3 2 M10 × 1 ISO2X SM010MBOCLJ 2.5P 90 19 - 46 7 5.5 8 3 2 M12 × 1.75 ISO2X SG012PBOCLJ 2.5P 110 26 - 56 9 7 10 4 2 M12 × 1.5 ISO2X SM012OBOCLJ 2.5P 100 21 - 51 9 7 10 4 2 M12 × 1.25 ISO2X SM012NBOCLJ 2.5P 100 21 - 51 9 7 10 4 2 ⑧ M14 × 2 ISO2X SG014QBOCLJ 2.5P 110 26 - 56 11 9 12 4 2 M14 × 1.5 ISO2X SM014OBOCLJ 2.5P 100 21 - 51 11 9 12 4 2 M16 × 2 ISO2X SG016QBOCLJ 2.5P 110 26 - 56 12 9 12 4 2 M16 × 1.5 ISO2X SM016OBOCLJ 2.5P 100 21 - 51 12 9 12 4 2 ⑨ ⑩ ⑪ DIN ①-33 ※ This product is different from JIS products in shape and dimensions, please be careful when using.