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 Roll Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk⑥ DIN R-D ① Roll Taps for General Purpose ② Specification ■R -D is the forming tap suitable for steel materials. ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels Aluminum alloy castings Zinc alloy castings 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 ステンレス鋼 アルミ合金鋳物 亜鉛合金鋳物 10〜20 10〜20 10〜20 10〜20 10〜20 10〜20 10〜20 (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) ④ TYPE:1 DIN371 TYPE:2 DIN371 ⑤ TYPE:3 DIN371 TYPE:4 DIN376/DIN5156 ⑥ ⑦ Segment:1J(G=1H) Size Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) Lobe TYPE For Metric Threads M2 × 0.4 ISO2X RD2.0EBNEBB 2P 45 8 - 32 2.8 2.1 5 4 1M2.5 × 0.45ISO2XRD2.5FBNEBB2P50815332.82.1542 ⑧ M3 × 0.5 ISO2X RD3.0GBNEBB 2P 56 9 18 34 3.5 2.7 6 4 2 M3.5 × 0.6 ISO2X RD3.5HBNEBB 2P 56 11 20 32 4 3 6 4 2 M4 × 0.7 ISO2X RD4.0IBNEBB 2P 63 13 21 38 4.5 3.4 6 4 2 M5 × 0.8 ISO2X RD5.0KBNEBB 2P 70 14 25 39 6 4.9 8 4 2 ⑨ M6 × 1 ISO2X RD6.0MBNEBB 2P 80 15 30 45 6 4.9 8 4 2 M8 × 1.25 ISO2X RD8.0NBNEBB 2P 90 19 35 47 8 6.2 9 6 3 M10 × 1.5 ISO2X RD010OBNEBB 2P 100 23 39 52.5 10 8 11 8 3 M12 × 1.75 ISO2X RG012PBNEBB 2P 110 26 - 56 9 7 10 8 4 M14 × 2 ISO2X RG014QBNEBB 2P 110 26 - 56 11 9 12 8 4 ⑩ M16 × 2 ISO2X RG016QBNEBB 2P 110 26 - 56 12 9 12 8 4 For G Threads G 1/8-28 - RVG0026NEBB 2P 90 19 - 46 7 5.5 8 8 4 G 1/4-19 - RVG0047NEBB 2P 100 21 - 51 11 9 12 8 4G 3/8-19-RVG0067NEBB2P10021-511291284 ⑪ Number of oil grooves: M 2.5 and smaller = non, M3 ~ M6 = 4, M8 = 3, M10 and larger = 4 For M6 and smaller, external centers of 2P chamfer taps are removed. DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ⑥-64