JIS 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 Spiral Pointed Tap Series for through hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk③ JIS PO LH ① Spiral Pointed Taps for Left Hand Threads ② Specification ■The PO LH is a spiral pointed tap for left hand threads in through hole tapping. Left hand ③ Recommended Tapping Speeds depending on Materials Medium carbon steels High carbon steels 中炭素鋼 高炭素鋼 5〜10 5〜10 (m/min) (m/min) ④ TYPE:1 TYPE:2 ⑤ TYPE:3 TYPE:4 ⑥ ⑦ Segment:1E Size Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP For Metric ThreadsM3 × 0.5P2POQ3.0G--L5P4691426 4 3.2 6 3 1 ¥1,500 ※ ⑧ M4 × 0.7 P2 POQ4.0I--L 5P 52 11 17 29 5 4 7 3 1 ¥1,500 ※ M5 × 0.8 P2 POQ5.0K--L 5P 60 13 22 33 5.5 4.5 7 3 1 ¥1,510 ※ M6 × 1 P2 POQ6.0M--L 5P 62 15 26 33 6 4.5 7 3 1 ¥1,670 ※ M8 × 1.25 P3 POR8.0N--L 5P 70 19 - 36 6.2 5 8 3 2 ¥2,330 ※ ⑨ M8 × 1 P3 POR8.0M--L 5P 70 19 - 36 6.2 5 8 3 2 ¥2,640 ※ M10 × 1.5 P3 POR010O--L 5P 75 23 - 38 7 5.5 8 3 2 ¥2,970 ※ M10 × 1.25 P3 POR010N--L 5P 75 23 - 38 7 5.5 8 3 2 ¥2,970 ※ M10 × 1 P3 POR010M--L 5P 75 23 - 38 7 5.5 8 3 2 ¥3,530 ※ M12 × 1.75 P4 POS012P--L 5P 82 26 - 42 8.5 6.5 9 3 2 ¥4,200 ※ ⑩ M12 × 1.5 P3 POR012O--L 5P 82 26 - 42 8.5 6.5 9 3 2 ¥4,200 ※ M12 × 1.25 P4 POS012N--L 5P 82 26 - 42 8.5 6.5 9 3 2 ¥4,200 ※ M12 × 1 P3 POR012M--L 5P 82 26 - 42 8.5 6.5 9 3 2 ¥4,940 ※ M14 × 2 P4 POS014Q--L 5P 88 26 - 45 10.5 8 11 3 2 ¥5,740 ※ M14 × 1.5 P3 POR014O--L 5P 88 26 - 45 10.5 8 11 3 2 ¥5,740 ※ ⑪ M16 × 2 P4 POS016Q--L 5P 95 26 - 48 12.5 10 13 3 2 ¥7,660 ※ M16 × 1.5 P3 POR016O--L 5P 95 26 - 48 12.5 10 13 3 2 ¥7,660 ※ JIS ※ = Specified Distribution Items. Made to order products. ③-46