Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk GG-HT (for blind hole) Spiral Fluted Taps Straight Fluted Taps for Cast Irons Specification (for through hole) Spiral Fluted Taps ■Suitable for hard and abrasive materials such as cast irons. E Considering comparatively quick wear, GG-HT is properly Nitride oversized. M26 ~ Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps rey cast iron TYPE:1 DIN371 IS 5〜10 (m/min) For icon explanation, refer to P.50 Fluted Taps Straight TYPE:2 DIN376 TYPE:3 DIN371 Carbide Taps Cemented Roll Taps TYPE:4 DIN376 TYPE:5 DIN374 / DIN5156 Simple Inspection Tools Special Thread Taps Segment:1B Pipe Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Thread Mills M3 × 0.5 ISO2X TD3.0GBAENC 2.5P 56 9 18 34 3.5 2.7 6 3 1 ● M4 × 0.7 ISO2X TD4.0IBAENC 2.5P 63 13 21 38 4.5 3.4 6 4 1 ● TD5.0KBAENC 2.5P 70 14 25 39 6 4.9 8 4 1 ● M5 × 0.8 ISO2X TG5.0KBAENC 2.5P 70 14 - - 3.5 2.7 6 4 2 ● Dies TD6.0MBAENC 2.5P 80 15 30 45 6 4.9 8 4 1 ● M6 × 1 ISO2X TG6.0MBAENC 2.5P 80 15 - - 4.5 3.4 6 4 2 ● TD8.0NBAENC 2.5P 90 19 35 47 8 6.2 9 4 3 ● M8 × 1.25 ISO2X TG8.0NBAENC 2.5P 90 19 - 46 6 4.9 8 4 4 ● M8 × 1 ISO2X TM8.0MBAENC 2.5P 90 19 - 46 6 4.9 8 4 5 ● Center Drills TD010OBAENC 2.5P 100 23 39 52 10 8 11 4 3 ● M10 × 1.5 ISO2X TG010OBAENC 2.5P 100 23 - 51 7 5.5 8 4 4 ● M10 × 1.25 ISO2X TM010NBAENC 2.5P 100 23 - 51 7 5.5 8 4 5 ● M10 × 1 ISO2X TM010MBAENC 2.5P 90 19 - 46 7 5.5 8 4 5 ● Centering Tools M12 × 1.75 ISO2X TG012PBAENC 2.5P 110 26 - 56 9 7 10 4 4 ● M12 × 1.5 ISO2X TM012OBAENC 2.5P 100 21 - 51 9 7 10 4 5 ● M12 × 1.25 ISO2X TM012NBAENC 2.5P 100 21 - 51 9 7 10 4 5 ● DIN HT-14 147