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 CT-PT ① Carbide Taps for Taper Pipe Threads, Long (ℓg) Type, for Cast Irons ② Specification ■The CT-PT is a hand tap for tapered pipe threads and is suitable for thread processing in mass production of materials that are hard and brittle such as cast iron. Those products are mainly usedRecommended Tapping Speeds depending on Materialsfor connecting parts for pipes for thread resistance.③ Cast irons Ductile cast irons Brass castings 鋳鉄 強靱鋳鉄 黄銅鋳物 〜5 〜5 〜5 (m/min) (m/min) (m/min) ④ TYPE:1 g ⑤ Segment:1L Size Class Code BasicChamfer major dia(mm)L(mm)ℓ(mm) ℓg(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP ⑥ For Pipe Threads PT 1/8-28 Ⅱ TCPT02K 2.5P 9.728 55 19 13 8 6 9 4 1 ¥26,300 ※ PT 1/4-19 Ⅱ TCPT04- 2.5P 13.157 62 28 21 11 9 12 4 1 ¥41,000 ※ PT 3/8-19 Ⅱ TCPT06- 2.5P 16.662 65 28 21 14 11 14 4 1 ¥52,600 ※ ⑦ PT 1/2-14 Ⅱ TCPT08Q 2.5P 20.955 80 35 25 18 14 17 4 1 ¥51,900 ※ PT 3/4-14 Ⅱ TCPT12Q 2.5P 26.441 85 35 25 23 17 20 4 1 ¥64,300 ※ PT 1 -11 Ⅱ TCPT16U 2.5P 33.249 95 45 32 26 21 24 5 1 ¥91,100 ※ ⑧ ⑨ ⑩ ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑧-38