
⑦ Special Thread Taps / Simple Inspection Tools Overall length L Thread length ℓ Shank dia. Ds Size of square K Length of square ℓk JIS NT Spiral Fluted Taps (for blind hole) ① JIS Nut Taps Spiral Fluted Taps (for through hole) ② Specification ■A tap mainly used for tapping nuts with a tapping machine. Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 5 10〜 5 10〜 Hand Taps ( m / min ) ( m / min ) ④ Segment:1I L ℓ Ds K ℓk No. of MSRP Size Class Code Chamfer TYPE (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Cemented Carbide Taps M2 × 0.4 Ⅱb NH22.0E 25P 75 14 1.4 - - 3 1 ¥6,890 ※ ⑤ M2.3 × 0.4 Ⅱb NH22.3E 25P 80 14 1.7 - - 3 1 ¥6,890 ※ M2.5 × 0.45 Ⅱb NH22.5F 24P 85 15 2 - - 3 1 ¥6,300 ※ M2.6 × 0.45 Ⅱb NH22.6F 24P 85 15 2 - - 3 1 ¥6,300 ※ M3 × 0.5 Ⅱb NH23.0G 30P 90 20 2.1 - - 3 1 ¥5,080 Roll Taps ⑥ 3M0.6 Ⅱb NH23.0H 25P 90 20 2.1 - - 3 1 ¥5,080 ※ M3.5 × 0.6 Ⅱb NH23.5H 25P 95 20 2.6 - - 3 1 ¥5,340 ※ M4 × 0.7 Ⅱb NH24.0I 27P 100 25 2.8 - - 3 1 ¥4,530 4M0.75 Ⅱb NH24.0J 25P 100 25 2.8 - - 3 1 ¥4,530 ※ M4.5 × 0.75 Ⅱb NH24.5J 25P 105 25 3.3 2.5 5 3 2 ¥7,640 ※ Special Thread Taps Simple Inspection Tools ⑦ M5 × 0.8 Ⅱb NH25.0K 28P 110 30 3.6 2.8 6 3 2 ¥4,240 5M0.9 Ⅱb NH25.0L 24P 110 30 3.6 2.8 6 3 2 ¥4,240 ※ M5.5 × 0.9 Ⅱb NH25.5L 24P 115 30 4.1 3.2 6 3 2 ¥7,940 ※ M6 × 1 Ⅱb NH26.0M 26P 120 35 4.5 3.5 6 3 2 ¥4,270 Pipe Taps M6 × 0.75 Ⅱ NH26.0J 24P 115 30 4.5 3.5 6 3 2 ¥6,050 ※ ⑧ M7 × 1 Ⅱb NH27.0M 26P 130 35 5.5 4.5 7 3 3 ¥4,500 ※ M8 × 1.25 Ⅱb NH28.0N 24P 140 40 6.2 5 8 3 3 ¥4,610 M8 × 1 Ⅱ NH28.0M 25P 130 40 6.2 5 8 3 3 ¥6,450 ※ M8 × 0.75 Ⅱ NH28.0J 24P 120 30 6.2 5 8 3 3 ¥7,250 ※ Thread Mills Premium Thread Mills M9 × 1.25 Ⅱb NH29.0N 27P 150 45 7.2 5.5 8 3 3 ¥5,940 ※ ⑨ M9 × 1 Ⅱ NH29.0M 25P 140 40 7.2 5.5 8 3 3 ¥6,790 ※ M10 × 1.5 Ⅱb NH2010O 25P 160 50 7.8 6 9 3 3 ¥5,900 M10 × 1.25 Ⅱ NH2010N 24P 150 45 7.8 6 9 3 3 ¥5,900 ※ M10 × 1 Ⅱ NH2010M 25P 140 40 7.8 6 9 3 3 ¥8,450 ※ Dies ⑩ M12 × 1.75 Ⅱb NH2012P 26P 170 60 9 7 10 3 3 ¥8,690 M12 × 1.5 Ⅱ NH2012O 25P 160 55 9 7 10 3 3 ¥8,690 ※ M12 × 1.25 Ⅱ NH2012N 24P 160 45 9 7 10 3 3 ¥8,690 ※ M12 × 1 Ⅱ NH2012M 25P 150 40 9 7 10 3 3 ¥12,000 ※ M14 × 2 Ⅱb ¥11,800 ※ Center Drills Centering Tools NH2014Q 25P 190 65 11 9 12 3 3 ⑪ M14 × 1.5 Ⅱ NH2014O 25P 170 55 11 9 12 3 3 ¥11,800 ※ M14 × 1.25 Ⅱ NH2014N 24P 170 50 11 9 12 3 3 ¥14,800 ※ M14 × 1 Ⅱ NH2014M 25P 160 40 11 9 12 3 3 ¥14,800 ※ JIS ⑦-27 ※ = Specified Distribution Items. Made to order products.