Straight Fluted Tap Series Spiral Fluted Taps (for blind hole) GG-HT-OH(Coating) Straight Fluted Taps for Cast Irons with Internal Coolant Hole, Coated Spiral Fluted Taps (for through hole) Specification ■Suitable for hard and abrasive materials such as cast E Coating irons. Considering comparatively quick wear, GG-HT-OH is properly oversized. Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials rey cast iron TYPE:1 DIN371 IS 〜10 (m/min) Straight Fluted Taps For icon explanation, refer to P.50 Cemented Carbide Taps TYPE:2 DIN374 TYPE:3 DIN376 Roll Taps Segment:1B Special Thread Taps Simple Inspection Tools 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 M6 × 1 ISO2X 96266.0TCOH 2.5P 80 15 30 45 6 4.9 8 4 1 ● M8 × 1.25 ISO2X 96268.0TCOH 2.5P 90 19 35 47 8 6.2 9 4 1 ● Pipe Taps M8 × 1 ISO2X 98268.0MTCOH 2.5P 90 19 - 46 6 4.9 8 4 2 ● M10 × 1.5 ISO2X 9626010TCOH 2.5P 100 23 39 52 10 8 11 4 1 ● M10 × 1.25 ISO2X 9826010NTCOH 2.5P 100 23 - 51 7 5.5 8 4 2 ● M10 × 1 ISO2X 9826010MTCOH 2.5P 90 19 - 46 7 5.5 8 4 2 ● Thread Mills M12 × 1.75 ISO2X 9726012TCOH 2.5P 110 26 - 56 9 7 10 4 3 ● M12 × 1.5 ISO2X 9826012OTCOH 2.5P 100 21 - 51 9 7 10 4 2 ● M12 × 1.25 ISO2X 9826012NTCOH 2.5P 100 21 - 51 9 7 10 4 2 ● M14 × 2 ISO2X 9726014TCOH 2.5P 110 26 - 56 11 9 12 4 3 ● M14 × 1.5 ISO2X 9826014OTCOH 2.5P 100 21 - 51 11 9 12 4 2 ● Dies M14 × 1 ISO2X 9826014MTCOH 2.5P 100 21 - 51 11 9 12 4 2 M16 × 2 ISO2X 9726016TCOH 2.5P 110 26 - 56 12 9 12 4 3 ● M16 × 1.5 ISO2X 9826016OTCOH 2.5P 100 21 - 51 12 9 12 4 2 ● M18 × 2.5 ISO2X 9726018TCOH 2.5P 125 33 - 64 14 11 14 4 3 ● Center Drills M18 × 1.5 ISO2X 9826018OTCOH 2.5P 110 24 - 56 14 11 14 4 2 ● M20 × 2.5 ISO2X 9726020TCOH 2.5P 140 33 - 71 16 12 15 4 3 ● M20 × 1.5 ISO2X 9826020OTCOH 2.5P 125 24 - 64 16 12 15 4 2 ● M22 × 1.5 ISO2X 9826022OTCOH 2.5P 125 24 - 64 18 14.5 17 4 2 Centering Tools DIN HT-19 152