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 JIS ⑧ Pipe Tap Series Overall Thread Shank Size of Length oflengthlengthdia.squaresquareLℓDsKℓk JIS ① NPS Hand Taps for American Parallel Pipe Threads ② Specification ■The NPS tap is a hand tap for American parallel pipe threads and is used for products whose main purpose is the tightness of the threaded ③ part in connecting pipe parts and the like. Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels 低炭素鋼 中炭素鋼 高炭素鋼 5〜10 5〜10 5〜10 ④ (m/min) (m/min) (m/min) TYPE:1 TYPE:2 ⑤ Segment:1G ⑥ Size Class Code BasicChamfermajordia(mm)L(mm)ℓ(mm) Ds(mm) K (mm) ℓk(mm) No. offlutes TYPE MSRP For American Pipe Threads 1/16-27 NPS ANSI G TNPS01L 5P 7.770 54 17 8 6 9 4 1 ¥4,040 ※ 1/8-27 NPS ANSI G TNPS02L 5P 10.117 55 19 8 6 9 4 2 ¥4,040 ※ ⑦ 1/4-18 NPS ANSI G TNPS04O 5P 13.426 62 28 11 9 12 4 2 ¥5,920 ※ 3/8-18 NPS ANSI G TNPS06O 5P 16.866 65 28 14 11 14 4 2 ¥9,810 ※ 1/2-14 NPS ANSI G TNPS08Q 5P 20.980 80 35 18 14 17 4 2 ¥16,000 ※ 3/4-14 NPS ANSI G TNPS12Q 5P 26.325 85 35 23 17 20 4 2 ¥26,600 ※ 1 -11 1/2 NPS ANSI G TNPS16T 5P 32.934 95 45 26 21 24 5 2 ¥49,500 ※ ⑧ 1 1/4-11 1/2 NPS ANSI G TNPS20T 5P 41.689 105 45 32 26 30 5 2 ¥76,100 ※ 1 1/2-11 1/2 NPS ANSI G TNPS24T 5P 47.760 110 45 38 29 32 6 2 ¥108,000 ※ 2 -11 1/2 NPS ANSI G TNPS32T 5P 59.797 120 50 46 35 38 6 2 ¥180,000 ※ ⑨ ⑩ ⑪ JIS ⑧-97 ※ = Specified Distribution Items. Made to order products.