
Spiral Fluted Tap Series for blind hole Overall length L Thread length ℓ Thread + Neck length ℓn Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ① JIS PM-SP Spiral Fluted Taps (for blind hole) ① JIS Spiral Fluted Taps for Hard-to-Machine Materials Spiral Fluted Taps (for through hole) ② Specification ■S piral fluted tap suitable for tapping hard steels with hardness between 35-45HRC such as forgings and thermal refined steels of high Spiral Pointed Taps (for through hole) carbon steels and alloy steels, and mold steels. ③ Recommended Tapping Speeds depending on Materials High carbon steels Thermal refined steels Thermal refined steels 高炭素鋼 調質鋼 調質鋼 5 10 〜 〜 5 〜 5 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ 25〜35HRC 35〜45HRC TYPE:1 Cemented Carbide Taps ⑤ TYPE:2 TYPE:3 Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Segment:1D L ℓ ℓn ℓs Ds K ℓk No. of TYPE MSRP Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes Pipe Taps ⑧ For Metric Threads M3 × 0.5 P3 SY3.0GRDPB 2.75P 46 9 14 26 4 3.2 6 3 1 ¥1,610 ※ M4 × 0.7 P3 SY4.0IRDPB 2.75P 52 11 17 29 5 4 7 3 1 ¥1,610 ※ M5 × 0.8 P3 SY5.0KRDPB 2.75P 60 13 22 33 5.5 4.5 7 3 1 ¥1,630 ※ M6 × 1 ¥1,800 ※ Thread Mills Premium Thread Mills P3 SY6.0MRDPB 2.75P 62 15 26 33 6 4.5 7 3 1 ⑨ M8 × 1.25 P3 SY8.0NRDPB 2.75P 70 19 - 36 6.2 5 8 3 2 ¥2,510 ※ M10 × 1.5 P3 SY010ORDPB 2.75P 75 23 - 38 7 5.5 8 3 2 ¥3,200 ※ M10 × 1.25 P3 SY010NRDPB 2.75P 75 23 - 38 7 5.5 8 3 2 ¥3,200 ※ M12 × 1.75 P3 SY012PRDPB 2.75P 82 26 - 42 8.5 6.5 9 3 2 ¥4,530 ※ Dies M12 × 1.5 P3 SY012ORDPB 2.75P 82 26 - 42 8.5 6.5 9 3 2 ¥4,530 ※ ⑩ M12 × 1.25 P4 SY012NSDPB 2.75P 82 26 - 42 8.5 6.5 9 3 2 ¥4,530 ※ M14 × 2 P4 SY014QSDPB 2.75P 88 26 - 45 10.5 8 11 3 2 ¥6,180 ※ M14 × 1.5 P3 SY014ORDPB 2.75P 88 26 - 45 10.5 8 11 3 2 ¥6,180 ※ M16 × 2 P4 SY016QSDPB 2.75P 95 26 - 48 12.5 10 13 3 2 ¥8,250 ※ Center Drills Centering Tools M16 × 1.5 ¥8,250 ※ ⑪ P3 SY016ORDPB 2.75P 95 26 - 48 12.5 10 13 3 2 M18 × 2.5 P4 SY018RSDPB 2.75P 100 33 - 51 14 11 14 4 2 ¥11,100 ※ M18 × 1.5 P4 SY018OSDPB 2.75P 100 33 - 51 14 11 14 4 2 ¥11,100 ※ JIS ※ = Specified Distribution Items. Made to order products. ①-166