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 PH-SP G Spiral Fluted Taps for Parallel Pipe Threads, for Hard-to-Machine Materials ② Specification ■Suitable for hard steels of 27-38HRC, such as forgings and thermal refined steels of high carbon steels and alloy steels, and die steels. Oxide ③ Recommended Tapping Speeds depending on Materials High carbon steels Alloy steels Thermal refined steels 高炭素鋼 合金鋼 調質鋼 2〜7 2〜7 〜5 ④ (m/min) (m/min) (m/min)25〜35HRC TYPE:1 ⑤ Segment:1H ⑥ Size Class Code Chamfer L(mm) ℓ(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. of flutes TYPE For G Threads G 1/8-28 - SVG0020EEX 3P 90 12 46 7 5.5 8 3 1 G 1/4-19 - SVG0040EEX 3P 100 14 51 11 9 12 4 1 ⑦ G 3/8-19 - SVG0060EEX 3P 100 14 51 12 9 12 4 1G 1/2-14-SVG0080EEX3P125186416121541 ⑧ ⑨ ⑩ ⑪ DIN ⑧-63 ※ This product is different from JIS products in shape and dimensions, please be careful when using.