Spiral Fluted Tap Series for blind hole Overall length L Chamfer + full thread ℓt Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ① DIN SP V Spiral Fluted Taps (for blind hole) ① DIN Spiral Fluted Taps, Coated Spiral Fluted Taps (for through hole) ② Specification ■This is a coated spiral fluted tap for blind holes. Coating Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 10 20 10 20 10 20 10 20 〜 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 DIN371 TYPE:2 DIN371 Cemented Carbide Taps ⑤ TYPE:3 DIN371 TYPE:4 DIN376/DIN374/DIN5156 Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Segment:1D(G=1H) L ℓt ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes Pipe Taps For Metric Threads ⑧ M2 × 0.4 ISO2 96402.0TI 2.5P 45 4 8 - 32 2.8 2.1 5 2 1 M3 × 0.5 ISO2 96403.0TI 2.5P 56 5 9 18 34 3.5 2.7 6 3 2 M4 × 0.7 ISO2 96404.0TI 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 M5 × 0.8 ISO2 96405.0TI 2.5P 70 9 14 25 39 6 4.9 8 3 2 Thread Mills Premium Thread Mills M6 × 1 ISO2 96406.0TI 2.5P 80 11 15 30 45 6 4.9 8 3 2 ⑨ M8 × 1.25 ISO2 96408.0TI 2.5P 90 - 12 35 47 8 6.2 9 3 3 M8 × 1 ISO2 98408.0MTI 2.5P 90 - 12 - 46 6 4.9 8 3 4 M10 × 1.5 ISO2 9640010TI 2.5P 100 - 13 39 52.5 10 8 11 3 3 M10 × 1.25 ISO2 9840010NTI 2.5P 100 - 13 - 51 7 5.5 8 3 4 Dies M10 × 1 ⑩ ISO2 9840010MTI 2.5P 90 - 13 - 46 7 5.5 8 3 4 M12 × 1.75 ISO2 9740012TI 2.5P 110 - 15 - 56 9 7 10 3 4 M12 × 1.5 ISO2 9840012OTI 2.5P 100 - 15 - 51 9 7 10 3 4 M12 × 1.25 ISO2 9840012NTI 2.5P 100 - 15 - 51 9 7 10 3 4 M14 × 2 Center Drills Centering Tools ISO2 9740014TI 2.5P 110 - 18 - 56 11 9 12 3 4 ⑪ M14 × 1.5 ISO2 9840014OTI 2.5P 100 - 14 - 51 11 9 12 3 4 M16 × 2 ISO2 9740016TI 2.5P 110 - 18 - 56 12 9 12 3 4 M16 × 1.5 ISO2 9840016OTI 2.5P 100 - 14 - 51 12 9 12 3 4 DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ①-80