Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk HFASP (for blind hole) Spiral Fluted Taps For Ultra Fast Tapping, Horizontal Use, Low Spiral Fluted Taps for Aluminum Specification (for through hole) Spiral Fluted Taps ■Applicable for ultra high speed tapping. Having center Coating through geometry to correspond with inner coolant supply system, HFASP is suitable for aluminum castings, blind hole use. Effective in horizontal tapping use. Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps Aluminum alloy Aluminum alloy Si Si TYPE:1 YAMAWA IS IS 30〜100 30〜100 (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 SD6.0MBLDTHZ 2.5P 80 15 30 45 6 4.9 8 3 1 ● M8 × 1.25 ISO2X SD8.0NBLDTHZ 2.5P 90 19 35 48 8 6.2 9 3 1 ● Roll Taps M10 × 1.5 ISO2X SD010OBLDTHZ 2.5P 100 23 39 53 10 8 11 3 1 ● M10 × 1.25 ISO2X SY010NBLDTHZ 2.5P 100 23 39 53 10 8 11 3 1 M12 × 1.75 ISO2X SY012PBLDTHZ 2.5P 110 26 44 57 12 9 12 3 1 ● M12 × 1.5 ISO2X SY012OBLDTHZ 2.5P 110 26 44 57 12 9 12 3 1 Simple Inspection Tools Special Thread Taps M12 × 1.25 ISO2X SY012NBLDTHZ 2.5P 110 26 44 57 12 9 12 3 1 Pipe Taps Thread Mills Dies Center Drills Centering Tools DIN SP-46 97