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 ⑦ Special Thread Taps / Simple Inspection Tools Overall Thread Shank Size of Length oflengthlengthdia.squaresquareLℓDsKℓk JIS NT Nut Taps ① Size Class Code Chamfer L (mm) ℓ(mm) Ds(mm) K (mm) ℓk(mm) No. offlutes TYPE MSRP1/4W20ⅡbNH2W04N24P125424.53.5632¥4,330 ※ 5/16W18 Ⅱb NH2W05O 27P 140 50 5.9 4.5 7 3 3 ¥4,670 ※ 3/8W16 Ⅱb NH2W06P 26P 155 55 7.3 5.5 8 3 3 ¥6,030 ※ 7/16W14 Ⅱb NH2W07Q 25P 165 60 8.5 6.5 9 3 3 ¥8,290 ※ ② 1/2W12 Ⅱb NH2W08S 23P 180 65 9.5 7 10 3 3 ¥10,500 ※ 9/16W12 Ⅱb NH2W09S 25P 190 70 11 9 12 3 3 ¥15,000 ※ 5/8W11 Ⅱb NH2W10U 24P 200 75 12.5 10 13 3 3 ¥15,600 ※ 3/4W10 Ⅱb NH2W12V 25P 230 85 15 12 15 3 3 ¥23,800 ※ 7/8W9 Ⅱb NH2W14W 25P 250 95 18 14 17 3 3 ¥35,700 ※ ③ 1 W8 Ⅱb NH2W16X 25P 270 105 20.5 17 20 3 3 ¥52,800 ※ 1 1/8W7 Ⅱb NH2W18Y 25P 290 120 23 17 20 4 3 ¥70,300 ※ 1 1/4W7 Ⅱb NH2W20Y 26P 300 125 26 21 24 4 3 ¥109,000 ※ 1 3/8W6 Ⅱb NH2W22Z 24P 320 135 28 21 24 4 3 ¥130,000 ※ 1 1/2W6 Ⅱb NH2W24Z 25P 330 140 31 23 26 4 3 ¥181,000 ※ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ JIS ⑦-29 ※ = Specified Distribution Items. Made to order products.