Spiral Fluted Tap Series Overall Chamfer + Thread Thread+Neck Shank Shank Size of Length of length full thread length length length dia. square square L ℓt ℓ ℓn ℓs Ds K ℓk Spiral Fluted Taps (for blind hole) HFIHS For Ultra Fast Tapping, Vertical Use. Spiral Fluted Taps for Carbon Steels Spiral Fluted Taps (for through hole) Specification ■Applicable for ultra high speed tapping. Having center Coating through hole geometry to correspond with inner coolant supply system, HFIHS is suitable for carbon steels and alloy steels, blind hole use. Vertical tapping use. Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Free cutting and Carbon steel and Medium alloy steel and High alloy steel structural steel low alloy steel heat treated steel IS P IS P IS P IS P 20〜50 20〜50 20〜30 20〜30 (m/min) (m/min) (m/min) (m/min) Hand Taps For icon explanation, refer to P.50 TYPE:1 YAMAWA TYPE:2 YAMAWA Cemented Carbide Taps Roll Taps Segment:1D Size Class Code Chamfer L ℓt ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads M6 × 1 ISO2X SD6.0MBEDTZ 2.5P 80 11 15 30 45 6 4.9 8 3 1 ● Special Thread Taps Simple Inspection Tools M8 × 1.25 ISO2X SD8.0NBEDTZ 2.5P 90 - 12 35 48 8 6.2 9 3 2 ● M10 × 1.5 ISO2X SD010OBEDTZ 2.5P 100 - 13 39 53 10 8 11 3 2 ● M10 × 1.25 ISO2X SY010NBEDTZ 2.5P 100 - 13 39 53 10 8 11 3 2 ● M12 × 1.75 ISO2X SY012PBEDTZ 2.5P 110 - 15 44 57 12 9 12 3 2 ● Pipe Taps M12 × 1.5 ISO2X SY012OBEDTZ 2.5P 110 - 15 44 57 12 9 12 3 2 ● M12 × 1.25 ISO2X SY012NBEDTZ 2.5P 110 - 15 44 57 12 9 12 3 2 ● Thread Mills Dies Center Drills Centering Tools DIN SP-43 94