
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 N+RZ Roll Taps for Steels JIS Recommended class Spiral Fluted Taps (for blind hole) Segment:1J ① Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE MSRP (mm) (mm) (mm) (mm) (mm) (mm) (mm) For Metric Threads M1 × 0.25 G4 NRZP41.0BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 M1 × 0.25 G4 NRZP41.0BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 Spiral Fluted Taps (for through hole) ② M1 × 0.25 G5 NRZP51.0BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 ※ M1 × 0.25 G5 NRZP51.0BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 ※ M1.2 × 0.25 G4 NRZP41.2BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 M1.2 × 0.25 G4 NRZP41.2BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 Spiral Pointed Taps (for through hole) M1.2 × 0.25 G5 NRZP51.2BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 ※ ③ M1.2 × 0.25 G5 NRZP51.2BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥3,380 ※ M1.4 × 0.3 G4 NRZP41.4CP 4P 36 5.4 - 24 3 2.5 5 4 1 ¥2,760 M1.4 × 0.3 G4 NRZP41.4CB 2P 36 5.4 - 24 3 2.5 5 4 1 ¥2,760 M1.4 × 0.3 G5 NRZP51.4CP 4P 36 5.4 - 24 3 2.5 5 4 1 ¥2,760 Hand Taps M1.4 × 0.3 G5 NRZP51.4CB 2P 36 5.4 - 24 3 2.5 5 4 1 ¥2,760 ④ M1.6 × 0.35 G4 NRZP41.6DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.6 × 0.35 G4 NRZP41.6DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.6 × 0.35 G5 NRZP51.6DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.6 × 0.35 G5 NRZP51.6DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 Cemented Carbide Taps ⑤ M1.7 × 0.35 G4 NRZP41.7DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.7 × 0.35 G4 NRZP41.7DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.7 × 0.35 G5 NRZP51.7DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.7 × 0.35 G5 NRZP51.7DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.7 × 0.35 Roll Taps G6 NRZP61.7DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 ⑥ M1.7 × 0.35 G6 NRZP61.7DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥2,640 M1.8 × 0.35 G4 NRZP41.8DP 4P 42 6.3 - 27 3 2.5 5 4 2 ¥2,640 ※ M1.8 × 0.35 G4 NRZP41.8DB 2P 42 6.3 - 27 3 2.5 5 4 2 ¥2,640 ※ M1.8 × 0.35 G5 NRZP51.8DP 4P 42 6.3 - 27 3 2.5 5 4 2 ¥2,640 ※ Special Thread Taps Simple Inspection Tools M1.8 × 0.35 G5 NRZP51.8DB 2P 42 6.3 - 27 3 2.5 5 4 2 ¥2,640 ※ ⑦ M2 × 0.4 G4 NRZP42.0EP 4P 42 7.2 - 27 3 2.5 5 4 3 ¥2,140 M2 × 0.4 G4 NRZP42.0EB 2P 42 7.2 - 27 3 2.5 5 4 3 ¥2,140 M2 × 0.4 G5 NRZP52.0EP 4P 42 7.2 - 27 3 2.5 5 4 3 ¥2,140 M2 × 0.4 G5 NRZP52.0EB 2P 42 7.2 - 27 3 2.5 5 4 3 ¥2,140 Pipe Taps M2 × 0.4 ⑧ G6 NRZP62.0EP 4P 42 7.2 - 27 3 2.5 5 4 3 ¥2,140 M2 × 0.4 G6 NRZP62.0EB 2P 42 7.2 - 27 3 2.5 5 4 3 ¥2,140 M2.2 × 0.45 G5 NRZP52.2FP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥1,920 ※ M2.2 × 0.45 G5 NRZP52.2FB 2P 42 8.1 - 27 3 2.5 5 4 3 ¥1,920 ※ M2.3 × 0.4 G4 NRZP42.3EP 4P 42 7.2 - 27 3 2.5 5 4 3 ¥1,920 ※ Thread Mills Premium Thread Mills ⑨ M2.3 × 0.4 G4 NRZP42.3EB 2P 42 7.2 - 27 3 2.5 5 4 3 ¥1,920 ※ M2.3 × 0.4 G5 NRZP52.3EP 4P 42 7.2 - 27 3 2.5 5 4 3 ¥1,920 ※ M2.3 × 0.4 G5 NRZP52.3EB 2P 42 7.2 - 27 3 2.5 5 4 3 ¥1,920 ※ M2.3 × 0.4 G6 NRZP62.3EP 4P 42 7.2 - 27 3 2.5 5 4 3 ¥1,920 ※ M2.3 × 0.4 Dies G6 NRZP62.3EB 2P 42 7.2 - 27 3 2.5 5 4 3 ¥1,920 ※ ⑩ M2.5 × 0.45 G5 NRZP52.5FP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥1,630 M2.5 × 0.45 G5 NRZP52.5FB 2P 46 8.1 14 29 3 2.5 5 4 4 ¥1,630 M2.5 × 0.45 G6 NRZP62.5FP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥1,630 M2.5 × 0.45 G6 NRZP62.5FB 2P 46 8.1 14 29 3 2.5 5 4 4 ¥1,630 Center Drills Centering Tools M2.6 × 0.45 G5 NRZP52.6FP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥1,630 ⑪ M2.6 × 0.45 G5 NRZP52.6FB 2P 46 8.1 14 29 3 2.5 5 4 4 ¥1,630 JIS ※ = Specified Distribution Items. Made to order products. ⑥-14