Spiral Pointed Tap Series for through hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ③ JIS PO LH Spiral Fluted Taps (for blind hole) ① JIS Spiral Pointed Taps for Left Hand Threads Spiral Fluted Taps (for through hole) ② Specification ■The PO LH is a spiral pointed tap for left hand threads in through hole tapping. Spiral Pointed Taps (for through hole) 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 〜 Hand Taps ( m / min ) ( m / min ) ④ TYPE:1 TYPE:2 Cemented Carbide Taps ⑤ Roll Taps TYPE:3 TYPE:4 ⑥ Special Thread Taps Simple Inspection Tools ⑦ Segment:1E L ℓ ℓn ℓs Ds K ℓk No. of TYPE MSRP Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes Pipe Taps For Metric Threads ⑧ M3 × 0.5 P2 POQ3.0G--L 5P 46 9 14 26 4 3.2 6 3 1 ¥1,500 ※ 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 ※ Thread Mills Premium Thread Mills 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 ※ Dies ⑩ M12 × 1.75 P4 POS012P--L 5P 82 26 - 42 8.5 6.5 9 3 2 ¥4,200 ※ 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 ¥5,740 ※ Center Drills Centering Tools P4 POS014Q--L 5P 88 26 - 45 10.5 8 11 3 2 ⑪ M14 × 1.5 P3 POR014O--L 5P 88 26 - 45 10.5 8 11 3 2 ¥5,740 ※ 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