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 SU-S-PT Hand Taps for Taper Pipe Threads Short (ℓg) Type, for Stainless Steels ② Specification ■SU-S-PT is the hand tap with short thread portion, suitable for stainless steels which tend to work-harden and sticky, as well as chrome Oxide ③ steels and molybdenum steels. Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels Stainless steels 低炭素鋼 中炭素鋼 ステンレス鋼 〜5 〜5 〜5 ④ (m/min) (m/min) (m/min) TYPE:1 ⑤ 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 1/8-28 Ⅱ TUST02K 2.5P 9.728 55 16.5 10.5 8 6 9 4 1 ¥3,600 ※ PT 1/4-19 Ⅱ TUST04- 2.5P 13.157 62 19.5 12.5 11 9 12 4 1 ¥5,160 ※ ⑦ PT 3/8-19 Ⅱ TUST06- 2.5P 16.662 65 21 14 14 11 14 4 1 ¥8,470 ※ PT 1/2-14 Ⅱ TUST08Q 2.5P 20.955 80 27 17 18 14 17 4 1 ¥14,000 ※ PT 3/4-14 Ⅱ TUST12Q 2.5P 26.441 85 29 19 23 17 20 4 1 ¥23,000 ※ PT 1 -11 Ⅱ TUST16U 2.5P 33.249 95 35 22 26 21 24 4 1 ¥42,400 ※ PT 1 1/4-11 Ⅱ TUST20U 2.5P 41.910 105 37.5 24.5 32 26 30 5 1 ¥64,000 ※ ⑧ PT 1 1/2-11 Ⅱ TUST24U 2.5P 47.803 110 38.5 25.5 38 29 32 6 1 ¥89,500 ※ ⑨ ⑩ ⑪ JIS ⑧-33 ※ = Specified Distribution Items. Made to order products.