Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk HDASP (for blind hole) Spiral Fluted Taps For Dry Tapping, Blind Hole Use, Spiral Fluted Taps for Aluminum Specification (for through hole) Spiral Fluted Taps ■Applicable for the tapping under mist or dry condition. Coating  Having center through hole geometry to correspond with inner coolant supply system, HDASP is suitable for aluminum castings, blind hole use. For both horizontal and Recommended Tapping Speeds depending on Materials vertical tapping use. Aluminum alloy Aluminum alloy (for through hole) Spiral Pointed Taps Si Si TYPE:1 YAMAWA IS IS 20〜50 20〜50 (m/min) (m/min) For icon explanation, refer to P.50 Hand Taps Segment:1D Carbide Taps Cemented 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 SD6.0MBLDTLZ 2.5P 80 15 30 45 6 4.9 8 3 1 M8 × 1.25 ISO2X SD8.0NBLDTLZ 2.5P 90 19 35 48 8 6.2 9 3 1 Roll Taps M10 × 1.5 ISO2X SD010OBLDTLZ 2.5P 100 23 39 53 10 8 11 3 1 M10 × 1.25 ISO2X SY010NBLDTLZ 2.5P 100 23 39 53 10 8 11 3 1 M12 × 1.75 ISO2X SY012PBLDTLZ 2.5P 110 26 44 57 12 9 12 3 1 M12 × 1.5 ISO2X SY012OBLDTLZ 2.5P 110 26 44 57 12 9 12 3 1 Simple Inspection Tools Special Thread Taps M12 × 1.25 ISO2X SY012NBLDTLZ 2.5P 110 26 44 57 12 9 12 3 1 Pipe Taps Thread Mills Dies Center Drills Centering Tools DIN SP-48 99