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 Position on Shank Size of Length oflengthlengthbasic dia.dia.squaresquareLℓℓgDsKℓk JIS ① INT-S-NPT Interrupted Taps for American Taper Pipe Threads, Short (ℓg) Type ② Specification ■INT-S-NPT is the tap with short thread portion, and, having low left-hand spiral flutes and having every other thread ground off, reduces Oxide ③ cutting torque. INT-S-NPT is suitable for suchRecommended Tapping Speeds depending on Materialssticky materials as stainless steels and chrome molybdenum steels. Low carbon steels Stainless steels Cast steels 低炭素鋼 ステンレス鋼 鋳鋼 〜5 〜5 〜5 ④ (m/min) (m/min) (m/min) TYPE:1 TYPE:2 ⑤ g g Segment:1G ⑥ Size Class Code BasicChamfermajordia(mm)L(mm) ℓ(mm) ℓg(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP For American Pipe Threads 1/16-27 NPT ANSI G TISNT01L 3P 7.770 54 14 10.1 8 6 9 3 1 ¥7,340 ※ 1/8-27 NPT ANSI G TISNT02L 3P 10.117 55 16.5 10.5 8 6 9 5 2 ¥7,340 ※ ⑦ 1/4-18 NPT ANSI G TISNT04O 3P 13.426 62 19.5 12.5 11 9 12 5 2 ¥10,400 ※ 3/8-18 NPT ANSI G TISNT06O 3P 16.866 65 21 14 14 11 14 5 2 ¥17,400 ※ 1/2-14 NPT ANSI G TISNT08Q 3P 20.980 80 27 17 18 14 17 5 2 ¥28,700 ※ 3/4-14 NPT ANSI G TISNT12Q 3P 26.325 85 29 19 23 17 20 5 2 ¥47,700 ※ 1 -11 1/2 NPT ANSI G TISNT16T 3P 32.934 95 35 22 26 21 24 5 2 ¥88,400 ※ ⑧ 1 1/4-11 1/2 NPT ANSI G TISNT20T 3P 41.689 105 37.5 24.5 32 26 30 5 2 ¥134,000 ※ 1 1/2-11 1/2 NPT ANSI G TISNT24T 3P 47.760 110 38.5 25.5 38 29 32 7 2 ¥191,000 ※ 2 -11 1/2 NPT ANSI G TISNT32T 3P 59.797 120 42.5 27.5 46 35 38 7 2 ¥300,000 ※ ⑨ ⑩ ⑪ JIS ⑧-91 ※ = Specified Distribution Items. Made to order products.