Overall Chamfer + Thread Thread+Neck Shank Shank Size of Length of length full thread length length length dia. square square L ℓt ℓ ℓn ℓs Ds K ℓk PH-SP (for blind hole) Spiral Fluted Taps Spiral Fluted Taps for Hard-to-Machine Materials Specification (for through hole) Spiral Fluted Taps ■Suitable for hard steels up to 38HRC such high carbon E and alloy forged and thermal refined steels as well as die Oxide steels. M26 ~ Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps High alloy steel Tool steel TYPE:1 DIN371 IS P IS P 2〜7 〜5 (m/min) (m/min) For icon explanation, refer to P.50 Hand Taps TYPE:2 DIN371 TYPE:3 DIN374 Carbide Taps Cemented Roll Taps TYPE:4 DIN376 TYPE:5 DIN5156 Simple Inspection Tools Special Thread Taps Segment:1D Pipe Taps Size Class Code Chamfer L ℓt ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Thread Mills M3 × 0.5 ISO2 SD3.0GAEEX 3P 56 5 9 18 34 3.5 2.7 6 3 1 ● M4 × 0.7 ISO2 SD4.0IAEEX 3P 63 7 13 21 38 4.5 3.4 6 3 1 ● M5 × 0.8 ISO2 SD5.0KAEEX 3P 70 9 14 25 39 6 4.9 8 3 1 ● M6 × 1 ISO2 SD6.0MAEEX 3P 80 11 15 30 45 6 4.9 8 3 1 ● Dies M8 × 1.25 ISO2 SD8.0NAEEX 3P 90 - 12 35 47 8 6.2 9 3 2 ● M8 × 1 ISO2 SM8.0MAEEX 3P 90 - 12 - 46 6 4.9 8 3 3 ● M10 × 1.5 ISO2 SD010OAEEX 3P 100 - 13 39 52 10 8 11 3 2 ● M10 × 1.25 ISO2 SM010NAEEX 3P 100 - 13 - 51 7 5.5 8 3 3 ● M10 × 1 ISO2 SM010MAEEX 3P 90 - 13 - 46 7 5.5 8 3 3 ● Center Drills M12 × 1.75 ISO2 SG012PAEEX 3P 110 - 15 - 56 9 7 10 4 4 ● M12 × 1.5 ISO2 SM012OAEEX 3P 100 - 15 - 51 9 7 10 4 3 ● M12 × 1.25 ISO2 SM012NAEEX 3P 100 - 15 - 51 9 7 10 4 3 ● M14 × 2 ISO2 SG014QAEEX 3P 110 - 18 - 56 11 9 12 4 4 ● Centering Tools M14 × 1.5 ISO2 SM014OAEEX 3P 100 - 14 - 51 11 9 12 4 3 ● M16 × 2 ISO2 SG016QAEEX 3P 110 - 18 - 56 12 9 12 4 4 ● M16 × 1.5 ISO2 SM016OAEEX 3P 100 - 14 - 51 12 9 12 4 3 ● DIN SP-24 75