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) HFAHS For Ultra Fast Tapping, Vertical Use, Spiral Fluted Taps for Aluminum 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, HFAHS is suitable for aluminum castings, blind hole use. Vertical tapping use. Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Aluminum alloy Aluminum alloy Si Si IS IS 30〜100 30〜100 (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 SD6.0MBLDTZ 2.5P 80 11 15 30 45 6 4.9 8 3 1 ● Special Thread Taps Simple Inspection Tools M8 × 1.25 ISO2X SD8.0NBLDTZ 2.5P 90 - 12 35 48 8 6.2 9 3 2 ● M10 × 1.5 ISO2X SD010OBLDTZ 2.5P 100 - 13 39 53 10 8 11 3 2 ● M10 × 1.25 ISO2X SY010NBLDTZ 2.5P 100 - 13 39 53 10 8 11 3 2 M12 × 1.75 ISO2X SY012PBLDTZ 2.5P 110 - 15 44 57 12 9 12 3 2 ● Pipe Taps M12 × 1.5 ISO2X SY012OBLDTZ 2.5P 110 - 15 44 57 12 9 12 3 2 M12 × 1.25 ISO2X SY012NBLDTZ 2.5P 110 - 15 44 57 12 9 12 3 2 Thread Mills Dies Center Drills Centering Tools DIN SP-45 96