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-PT Interrupted Taps for Taper Pipe Threads, Short (ℓg) Type ② Specification ■INT-S-PT Short Spiral Fluted Tap, having low left-hand spiral flutes and having every other thread ground off, reduces cutting torque. Oxide ③  INT-S-PT is suitable for such sticky materialsRecommended Tapping Speeds depending on Materialsasstainlesssteelsandchromemolybdenum 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 BasicChamfer major dia(mm)L(mm) ℓ(mm) ℓg(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP For Pipe Threads PT 1/16-28 Ⅱ TIST01K-8 3P 7.723 55 16.5 10.5 8 6 9 3 1 ¥4,700 ※ PT 1/8-28 Ⅱ TIST02K 3P 9.728 55 16.5 10.5 8 6 9 5 2 ¥4,700 ⑦ PT 1/4-19 Ⅱ TIST04- 3P 13.157 62 19.5 12.5 11 9 12 5 2 ¥6,720 PT 3/8-19 Ⅱ TIST06- 3P 16.662 65 21 14 14 11 14 5 2 ¥11,100 PT 1/2-14 Ⅱ TIST08Q 3P 20.955 80 27 17 18 14 17 5 2 ¥18,200 PT 3/4-14 Ⅱ TIST12Q 3P 26.441 85 29 19 23 17 20 5 2 ¥30,000 PT 1 -11 Ⅱ TIST16U 3P 33.249 95 35 22 26 21 24 5 2 ¥55,200 ⑧ PT 1 1/4-11 Ⅱ TIST20U 3P 41.910 105 37.5 24.5 32 26 30 5 2 ¥83,400 PT 1 1/2-11 Ⅱ TIST24U 3P 47.803 110 38.5 25.5 38 29 32 7 2 ¥117,000 PT 2 -11 Ⅱ TIST32U 3P 59.614 120 42.5 27.5 46 35 38 7 2 ¥189,000 ※ ⑨ ⑩ ⑪ JIS ⑧-27 ※ = Specified Distribution Items. Made to order products.