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 ⑧ Pipe Tap Series Overall Thread Shank Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓsDsKℓk DIN ① R-D G Roll Taps for Parallel Pipe Threads, for General Purpose, Coated ② Specification ■Suitable for tapping internal threads used for Coating simple joining in thin steel sheets such as SPC, SPH, or soft steels such as SS400, S20C. 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 ④ (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) TYPE:1 DIN376/DIN5156 ⑤ Segment:1H ⑥ Size Class Code Chamfer L(mm) ℓ(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) Lobe TYPE For G Threads G 1/8-28 - 9953R02TI 2P 90 19 46 7 5.5 8 8 1 G 1/4-19 - 9953R04TI 2P 100 21 51 11 9 12 8 1 ⑦ G 3/8-19 - 9953R06TI 2P 100 21 51 12 9 12 8 1 Number of oil grooves: G = 4 ⑧ ⑨ ⑩ ⑪ DIN ⑧-69 ※ This product is different from JIS products in shape and dimensions, please be careful when using.