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 Pipe Tap Series Overall Thread Position on Shank Size of Length oflengthlengthbasic dia.dia.squaresquareLℓℓgDsKℓk⑧ JIS S-NPT ① Hand Taps for American Taper Pipe Threads, Short (ℓg) Type ② Specification ■The S-NPT is a hand tap for the American tapered pipe threads and is used for tapping where it is necessary to shorten the fitting length for piping parts. Its main purpose isRecommended Tapping Speeds depending on Materialstightnessofthreadedpartsinconnectionwith③ pipe parts etc. Medium carbon steels High carbon steels Alloy steels 中炭素鋼 高炭素鋼 合金鋼 〜5 〜5 〜5 (m/min) (m/min) (m/min) ④ TYPE:1 TYPE:2 ⑤ g g Segment:1G Size Class Code BasicChamfermajordia(mm)L(mm)ℓ(mm) ℓg(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP ⑥ For American Pipe Threads 1/16-27 NPT ANSI G TSNPT01L 3P 7.770 54 14 10.1 8 6 9 4 1 ¥4,890 ※ 1/8-27 NPT ANSI G TSNPT02L 3P 10.117 55 16.5 10.5 8 6 9 4 2 ¥4,890 ※ 1/4-18 NPT ANSI G TSNPT04O 3P 13.426 62 19.5 12.5 11 9 12 4 2 ¥6,930 ※ ⑦ 3/8-18 NPT ANSI G TSNPT06O 3P 16.866 65 21 14 14 11 14 4 2 ¥11,600 ※ 1/2-14 NPT ANSI G TSNPT08Q 3P 20.980 80 27 17 18 14 17 4 2 ¥19,100 ※ 3/4-14 NPT ANSI G TSNPT12Q 3P 26.325 85 29 19 23 17 20 4 2 ¥31,800 ※ 1 -11 1/2 NPT ANSI G TSNPT16T 3P 32.934 95 35 22 26 21 24 5 2 ¥58,900 ※ ⑧ 1 1/4-11 1/2 NPT ANSI G TSNPT20T 3P 41.689 105 37.5 24.5 32 26 30 5 2 ¥89,300 ※ 1 1/2-11 1/2 NPT ANSI G TSNPT24T 3P 47.760 110 38.5 25.5 38 29 32 6 2 ¥127,000 ※ 2 -11 1/2 NPT ANSI G TSNPT32T 3P 59.797 120 42.5 27.5 46 35 38 6 2 ¥200,000 ※ ⑨ ⑩ ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑧-84