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 ⑥ Roll Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk DIN ① MHRZ Z-PRO   Roll Taps for Medium Hardness Carbon Steels ② Specification Coating 〜 ■Suitable tapping in thermal refined steels( ~ 35HRC). ③ Recommended Tapping Speed depending on Materials Medium carbon steels High carbon steels Alloy steels Thermal refined steels 中炭素鋼 高炭素鋼 合金鋼 調質鋼 10〜30 10〜30 10〜30 10〜20 ④ (m/min) (m/min) (m/min) (m/min)25〜35HRC TYPE:1 ⑤ ⑥ TYPE:2 TYPE:3 ⑦ Segment:1J Size Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) Lobe TYPE For Metric Threads ⑧ M6 × 1 ISO2X RD6.0MBOCTP 4P 80 11 30 45 6 4.9 8 5 1 M6 × 1 ISO2X RD6.0MBOCTB 2P 80 11 30 45 6 4.9 8 5 1 M8 × 1.25 ISO2X RD8.0NBOCTP 4P 90 12 35 47 8 6.2 9 6 2 M8 × 1.25 ISO2X RD8.0NBOCTB 2P 90 12 35 47 8 6.2 9 6 2 ⑨ M10 × 1.5 ISO2X RD010OBOCTP 4P 100 13 39 52.5 10 8 11 8 2 M10 × 1.5 ISO2X RD010OBOCTB 2P 100 13 39 52.5 10 8 11 8 2 M10 × 1.25 ISO2X RM010NBOCTP 4P 100 13 - 51 7 5.5 8 8 3 M10 × 1.25 ISO2X RM010NBOCTB 2P 100 13 - 51 7 5.5 8 8 3 M12 × 1.75 ISO2X RG012PBOCTP 4P 110 15 - 56 9 7 10 8 3 ⑩ M12 × 1.75 ISO2X RG012PBOCTB 2P 110 15 - 56 9 7 10 8 3 M12 × 1.5 ISO2X RM012OBOCTP 4P 100 15 - 51 9 7 10 8 3 M12 × 1.5 ISO2X RM012OBOCTB 2P 100 15 - 51 9 7 10 8 3 M12 × 1.25 ISO2X RM012NBOCTP 4P 100 15 - 51 9 7 10 8 3 M12 × 1.25 ISO2X RM012NBOCTB 2P 100 15 - 51 9 7 10 8 3 ⑪ M14 × 1.5 ISO2X RM014OBOCTP 4P 100 14 - 51 11 9 12 8 3 M14 × 1.5 ISO2X RM014OBOCTB 2P 100 14 - 51 11 9 12 8 3 M16 × 1.5 ISO2X RM016OBOCTP 4P 100 18 - 51 12 9 12 8 3 DIN ⑥-11 ※ This product is different from JIS products in shape and dimensions, please be careful when using.