
⑥ Roll Tap Series Overall length L Thread length ℓ Thread + Neck length ℓn Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk JIS LS-N-RZ Spiral Fluted Taps (for blind hole) ① JIS Long Shank Roll Taps for Steels Spiral Fluted Taps (for through hole) ② Specification 〜 ■LS-N-RZ is the long shank forming tap suitable for ferrous materials such as carbon steels, alloy steels and normal steels. Spiral Pointed Taps (for through hole) Oxide ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 5 15〜 5 15〜 Hand Taps ( m / min ) ( m / min ) ④ TYPE:1 TYPE:2 Cemented Carbide Taps ⑤ Recommended class Roll Taps Segment:1J ⑥ Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE MSRP (mm) (mm) (mm) (mm) (mm) (mm) (mm) For Metric Threads M3 × 0.5 G5 NRZF53.0GP10 4P 100 9 18 40 4 3.2 6 4 1 ¥3,540 ※ M3 × 0.5 G5 NRZF53.0GB10 2P 100 9 18 40 4 3.2 6 4 1 ¥3,540 ※ Special Thread Taps Simple Inspection Tools M3 × 0.5 ¥3,540 ※ ⑦ G6 NRZF63.0GP10 4P 100 9 18 40 4 3.2 6 4 1 M3 × 0.5 G6 NRZF63.0GB10 2P 100 9 18 40 4 3.2 6 4 1 ¥3,540 ※ M4 × 0.7 G6 NRZF64.0IP10 4P 100 11 21 40 5 4 7 4 1 ¥3,230 ※ M4 × 0.7 G6 NRZF64.0IB10 2P 100 11 21 40 5 4 7 4 1 ¥3,230 ※ M4 × 0.7 G7 NRZF74.0IP10 4P 100 11 21 40 5 4 7 4 1 ¥3,230 ※ Pipe Taps ⑧ M4 × 0.7 G7 NRZF74.0IB10 2P 100 11 21 40 5 4 7 4 1 ¥3,230 ※ M5 × 0.8 G6 NRZF65.0KP10 4P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ M5 × 0.8 G6 NRZF65.0KB10 2P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ M5 × 0.8 G7 NRZF75.0KP10 4P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ M5 × 0.8 Thread Mills Premium Thread Mills G7 NRZF75.0KB10 2P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ ⑨ M6 × 1 G7 NRZF76.0MP10 4P 100 15 30 40 6 4.5 7 4 1 ¥2,420 ※ M6 × 1 G7 NRZF76.0MP15 4P 150 15 30 40 6 4.5 7 4 1 ¥4,270 ※ M6 × 1 G7 NRZF76.0MB10 2P 100 15 30 40 6 4.5 7 4 1 ¥2,420 ※ M6 × 1 G7 NRZF76.0MB15 2P 150 15 30 40 6 4.5 7 4 1 ¥4,270 ※ Dies M6 × 1 G8 NRZF86.0MP10 4P 100 15 30 40 6 4.5 7 4 1 ¥2,420 ※ ⑩ M6 × 1 G8 NRZF86.0MP15 4P 150 15 30 40 6 4.5 7 4 1 ¥4,270 ※ M6 × 1 G8 NRZF86.0MB10 2P 100 15 30 40 6 4.5 7 4 1 ¥2,420 ※ M6 × 1 G8 NRZF86.0MB15 2P 150 15 30 40 6 4.5 7 4 1 ¥4,270 ※ M8 × 1.25 G7 NRZM78.0NP10 4P 100 19 - 50 6.2 5 8 6 2 ¥3,110 ※ Center Drills Centering Tools M8 × 1.25 ⑪ G7 NRZM78.0NP15 4P 150 19 - 50 6.2 5 8 6 2 ¥5,320 ※ M8 × 1.25 G7 NRZM78.0NB10 2P 100 19 - 50 6.2 5 8 6 2 ¥3,110 ※ M8 × 1.25 G7 NRZM78.0NB15 2P 150 19 - 50 6.2 5 8 6 2 ¥5,320 ※ JIS ⑥-23 ※ = Specified Distribution Items. Made to order products.