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 Overall Thread Shank Size of Length oflengthlengthdia.squaresquareLℓDsKℓk⑦ JIS TYPE:1 ① ② TYPE:2 TYPE:3 ③ ④ Size Class Code Chamfer L (mm) ℓ(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP M16 × 2 Ⅱb NH2016Q 26P 200 70 13 10 13 3 3 ¥14,800 M16 × 1.5 Ⅱ NH2016O 25P 180 55 13 10 13 3 3 ¥14,800 ※M16 × 1ⅡNH2016M25P1704013101333¥20,900 ※ ⑤ M18 × 2.5 Ⅱb NH2018R 24P 220 80 14 11 14 3 3 ¥20,900 ※ M18 × 2 Ⅱ NH2018Q 25P 210 75 14 11 14 3 3 ¥20,900 ※ M18 × 1.5 Ⅱ NH2018O 25P 190 55 14 11 14 3 3 ¥20,900 ※ M18 × 1 Ⅱ NH2018M 25P 180 45 14 11 14 3 3 ¥26,600 ※ ⑥ M20 × 2.5 Ⅱb NH2020R 26P 230 85 16 12 15 3 3 ¥28,300 ※ M20 × 2 Ⅱ NH2020Q 25P 220 75 16 12 15 3 3 ¥28,300 ※ M20 × 1.5 Ⅱ NH2020O 25P 200 60 16 12 15 3 3 ¥28,300 ※ M20 × 1 Ⅱ NH2020M 25P 190 45 16 12 15 3 3 ¥37,600 ※ M22 × 2.5 Ⅱb NH2022R 27P 250 90 18 14 17 3 3 ¥35,400 ※ ⑦ M22 × 1.5 Ⅱ NH2022O 25P 210 60 18 14 17 3 3 ¥35,400 ※ M24 × 3 Ⅱb NH2024S 25P 260 100 19 15 18 3 3 ¥43,700 ※ M24 × 2 Ⅱ NH2024Q 25P 240 75 19 15 18 3 3 ¥43,700 ※ M24 × 1.5 Ⅱ NH2024O 25P 220 60 19 15 18 3 3 ¥43,700 ※M25 × 2ⅡNH2025Q25P2407520151833¥55,000 ※ ⑧ M25 × 1.5 Ⅱ NH2025O 25P 220 60 20 15 18 3 3 ¥55,000 ※ M26 × 1.5 Ⅱ NH2026O 25P 230 60 20 15 18 3 3 ¥55,000 ※ M27 × 3 Ⅱb NH2027S 27P 280 110 22 17 20 4 3 ¥58,800 ※ M27 × 2 Ⅱ NH2027Q 25P 250 75 22 17 20 4 3 ¥58,800 ※ ⑨ M27 × 1.5 Ⅱ NH2027O 25P 230 60 22 17 20 4 3 ¥58,800 ※ M28 × 1.5 Ⅱ NH2028O 25P 240 60 22 17 20 4 3 ¥69,600 ※ M30 × 3.5 Ⅱb NH2030T 26P 300 120 24 19 22 4 3 ¥76,800 ※ M30 × 2 Ⅱ NH2030Q 25P 260 75 24 19 22 4 3 ¥76,800 ※ M30 × 1.5 Ⅱ NH2030O 25P 240 60 24 19 22 4 3 ¥76,800 ※ ⑩ M33 × 3.5 Ⅱb NH2033T 26P 310 120 25 19 22 4 3 ¥81,300 ※ M36 × 4 Ⅱb NH2036U 26P 330 140 28 21 24 4 3 ¥94,900 ※ M39 × 4 Ⅱb NH2039U 26P 340 140 30 23 26 4 3 ¥109,000 ※ M42 × 4.5 Ⅱb NH2042V 25P 360 150 32 26 30 4 3 ¥135,000 ※ For Whitworth Threads  ⑪ 1/8W40 Ⅱb NH2W02H 28P 95 25 2.2 - - 3 1 ¥5,560 ※ 3/16W24 Ⅱb NH2W03M 25P 110 35 3.2 2.5 5 3 2 ¥4,570 ※ JIS ※ = Specified Distribution Items. Made to order products. ⑦-28