
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 ⑥ JIS LS-N-RS Spiral Fluted Taps (for blind hole) ① JIS Long Shank Roll Taps for Non-Ferrous Materials Spiral Fluted Taps (for through hole) ② Specification 〜 ■LS-N-RS is the long shank forming tap suitable for non-ferrous materials such as aluminum castings, aluminum diecasting and brass. Spiral Pointed Taps (for through hole) Nitride ③ Recommended Tapping Speeds depending on Materials Wrought aluminum Aluminum alloy castings Zinc alloy castings アルミ圧延材 アルミ合金鋳物 亜鉛合金鋳物 5 15〜 5 15 〜 5 15〜 Hand Taps ( m / min ) ( 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 NRSF53.0GP10 4P 100 9 18 40 4 3.2 6 4 1 ¥3,540 M3 × 0.5 Special Thread Taps Simple Inspection Tools G5 NRSF53.0GB10 2P 100 9 18 40 4 3.2 6 4 1 ¥3,540 ⑦ M3 × 0.5 G6 NRSF63.0GP10 4P 100 9 18 40 4 3.2 6 4 1 ¥3,540 M3 × 0.5 G6 NRSF63.0GB10 2P 100 9 18 40 4 3.2 6 4 1 ¥3,540 M4 × 0.7 G6 NRSF64.0IP10 4P 100 11 21 40 5 4 7 4 1 ¥3,230 M4 × 0.7 G6 NRSF64.0IB10 2P 100 11 21 40 5 4 7 4 1 ¥3,230 Pipe Taps M4 × 0.7 G7 NRSF74.0IP10 4P 100 11 21 40 5 4 7 4 1 ¥3,230 ⑧ M4 × 0.7 G7 NRSF74.0IB10 2P 100 11 21 40 5 4 7 4 1 ¥3,230 M5 × 0.8 G6 NRSF65.0KP10 4P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ M5 × 0.8 G6 NRSF65.0KB10 2P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ M5 × 0.8 G7 NRSF75.0KP10 4P 100 13 25 40 5.5 4.5 7 4 1 ¥2,820 ※ Thread Mills Premium Thread Mills M5 × 0.8 ¥2,820 ※ ⑨ G7 NRSF75.0KB10 2P 100 13 25 40 5.5 4.5 7 4 1 M6 × 1 G7 NRSF76.0MP10 4P 100 15 30 40 6 4.5 7 4 1 ¥2,420 M6 × 1 G7 NRSF76.0MP15 4P 150 15 30 40 6 4.5 7 4 1 ¥4,270 M6 × 1 G7 NRSF76.0MB10 2P 100 15 30 40 6 4.5 7 4 1 ¥2,420 M6 × 1 G7 NRSF76.0MB15 2P 150 15 30 40 6 4.5 7 4 1 ¥4,270 Dies ⑩ M6 × 1 G8 NRSF86.0MP10 4P 100 15 30 40 6 4.5 7 4 1 ¥2,420 ※ M6 × 1 G8 NRSF86.0MP15 4P 150 15 30 40 6 4.5 7 4 1 ¥4,270 ※ M6 × 1 G8 NRSF86.0MB10 2P 100 15 30 40 6 4.5 7 4 1 ¥2,420 ※ M6 × 1 G8 NRSF86.0MB15 2P 150 15 30 40 6 4.5 7 4 1 ¥4,270 ※ M8 × 1.25 Center Drills Centering Tools G7 NRSM78.0NP10 4P 100 19 - 50 6.2 5 8 6 2 ¥3,110 ※ ⑪ M8 × 1.25 G7 NRSM78.0NP15 4P 150 19 - 50 6.2 5 8 6 2 ¥5,320 ※ M8 × 1.25 G7 NRSM78.0NB10 2P 100 19 - 50 6.2 5 8 6 2 ¥3,110 ※ M8 × 1.25 G7 NRSM78.0NB15 2P 150 19 - 50 6.2 5 8 6 2 ¥5,320 ※ JIS ※ = Specified Distribution Items. Made to order products. ⑥-36