Spiral Fluted Tap Series Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk Spiral Fluted Taps (for blind hole) HDISP For Dry Tapping, Blind Hole Use, Spiral Fluted Taps for Steels Spiral Fluted Taps (for through hole) Specification ■Applicable for the tapping under mist or dry condition. Coating  Having center through hole geometry to correspond with inner coolant supply system, HDISP is suitable for carbon steels and alloy steels, blind hole use. For both horizontal Recommended Tapping Speeds depending on Materials and vertical tapping use. Spiral Pointed Taps (for through hole) Medium alloy steel and High alloy steel heat treated steel TYPE:1 YAMAWA IS P IS P 10〜20 10〜20 (m/min) (m/min) Hand Taps For icon explanation, refer to P.50 Cemented Carbide Taps Segment:1D 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 SD6.0MBEDTLZ 2.5P 80 15 30 45 6 4.9 8 3 1 Roll Taps M8 × 1.25 ISO2X SD8.0NBEDTLZ 2.5P 90 19 35 48 8 6.2 9 3 1 M10 × 1.5 ISO2X SD010OBEDTLZ 2.5P 100 23 39 53 10 8 11 3 1 M10 × 1.25 ISO2X SY010NBEDTLZ 2.5P 100 23 39 53 10 8 11 3 1 M12 × 1.75 ISO2X SY012PBEDTLZ 2.5P 110 26 44 57 12 9 12 3 1 Special Thread Taps Simple Inspection Tools M12 × 1.5 ISO2X SY012OBEDTLZ 2.5P 110 26 44 57 12 9 12 3 1 M12 × 1.25 ISO2X SY012NBEDTLZ 2.5P 110 26 44 57 12 9 12 3 1 Pipe Taps Thread Mills Dies Center Drills Centering Tools DIN SP-47 98