
④ Hand Tap Series Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk JIS LS-HT Spiral Fluted Taps (for blind hole) ① JIS Long Shank Hand Taps Spiral Fluted Taps (for through hole) ② Specification ■Long shank hand taps for tapping threads in deep holes that cannot be reached with a standard overall length. Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels 低炭素鋼 中炭素鋼 高炭素鋼 5 10〜 5 10〜 5 10 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 TYPE:2 Cemented Carbide Taps ⑤ Roll Taps ⑥ TYPE:3 TYPE:4 Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps Oversize ⑧ Segment:1A L ℓ ℓn ℓs Ds K ℓk No. of TYPE MSRP Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads M2 × 0.4 P1 TNFP2.0E507 5P 70 7.2 15 52 3 2.5 5 3 1 ¥3,290 ※ Thread Mills Premium Thread Mills M2 × 0.4 P1 TNFP2.0E107 1.5P 70 7.2 15 52 3 2.5 5 3 1 ¥3,290 ※ ⑨ M2.3 × 0.4 P1 TNFP2.3E507 5P 70 7.2 15 52 3 2.5 5 3 1 ¥2,950 ※ M2.3 × 0.4 P1 TNFP2.3E107 1.5P 70 7.2 15 52 3 2.5 5 3 1 ¥2,950 ※ M2.5 × 0.45 P1 TNFP2.5F507 5P 70 8.1 15 52 3 2.5 5 3 1 ¥2,600 ※ M2.5 × 0.45 P1 TNFP2.5F107 1.5P 70 8.1 15 52 3 2.5 5 3 1 ¥2,600 ※ Dies M2.6 × 0.45 ⑩ P1 TNFP2.6F507 5P 70 8.1 15 52 3 2.5 5 3 1 ¥2,600 ※ M2.6 × 0.45 P1 TNFP2.6F107 1.5P 70 8.1 15 52 3 2.5 5 3 1 ¥2,600 ※ M3 × 0.5 P1 TNFP3.0G507 5P 70 9 18 46 4 3.2 6 3 1 ¥2,010 ※ M3 × 0.5 P1 TNFP3.0G510 5P 100 9 18 40 4 3.2 6 3 2 ¥2,930 M3 × 0.5 P1 TNFP3.0G512 5P 120 9 18 40 4 3.2 6 3 2 ¥3,510 ※ Center Drills Centering Tools ⑪ M3 × 0.5 P1 TNFP3.0G515 5P 150 9 18 40 4 3.2 6 3 2 ¥5,520 ※ M3 × 0.5 P1 TNFP3.0G107 1.5P 70 9 18 46 4 3.2 6 3 1 ¥2,010 ※ M3 × 0.5 P1 TNFP3.0G110 1.5P 100 9 18 40 4 3.2 6 3 2 ¥2,930 JIS ④-71 ※ = Specified Distribution Items. Made to order products.