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 Shank Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓsDsKℓk JIS ① G Hand Taps for Parallel Pipe Threads ② Specification ■The G tap is a hand tap for parallel pipe threads and conforms to the ISO thread specifications. It is used for fitting with the pipe ③ parallel external thread G (PF). Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels 低炭素鋼 中炭素鋼 高炭素鋼 5〜10 5〜10 5〜10 ④ (m/min) (m/min) (m/min) TYPE:1 TYPE:2 ⑤ Segment:1G ⑥ Size Class Code BasicChamfer major dia(mm)L(mm)ℓ(mm)ℓs(mm)Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP For Pipe Threads G 1/16-28 Ⅱ TH2G01K 3.5P 7.723 59 14 30 8 6 9 4 1 ¥2,560 G 1/8-28 Ⅱ TH2G02K 3.5P 9.728 59 15 30 8 6 9 4 2 ¥2,560 ⑦ G 1/4-19 Ⅱ TH2G04- 3.5P 13.157 67 19 34 11 9 12 4 2 ¥3,720 G 3/8-19 Ⅱ TH2G06- 3.5P 16.662 75 21 38 14 11 14 4 2 ¥6,140 G 1/2-14 Ⅱ TH2G08Q 3.5P 20.955 87 26 44 18 14 17 4 2 ¥9,940 G 3/4-14 Ⅱ TH2G12Q 3.5P 26.441 96 28 49 23 17 20 4 2 ¥16,500 G 1 -11 Ⅱ TH2G16U 3.5P 33.249 109 33 56 26 21 24 4 2 ¥31,000 ⑧ G 1 1/4-11 Ⅱ TH2G20U 3.5P 41.910 119 36 61 32 26 30 4 2 ¥48,900 G 1 1/2-11 Ⅱ TH2G24U 3.5P 47.803 125 37 64 38 29 32 6 2 ¥67,400 G 2 -11 Ⅱ TH2G32U 3.5P 59.614 140 41 71 46 35 38 6 2 ¥114,000 ⑨ ⑩ ⑪ JIS ⑧-49 ※ = Specified Distribution Items. Made to order products.