① Spiral Fluted Tap Series for blind hole Overall length L Chamfer + full thread ℓt Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk DIN HFAHS Spiral Fluted Taps (for blind hole) ① DIN For Ultra Fast Tapping, Vertical Use, Spiral Fluted Taps for Aluminum Spiral Fluted Taps (for through hole) ② Specification ■Applicable for ultra high speed tapping. Coating Having center through hole geometry to correspond with inner coolant supply system, HFAHS is suitable for aluminum Spiral Pointed Taps (for through hole) castings, blind hole use. Vertical ③ <2D tapping use. Recommended Tapping Speeds depending on Materials Hand Taps Wrought aluminum Aluminum alloy castings Magnesium alloy die castings Zinc alloy castings ④ アルミ圧延材 アルミ合金鋳物 マグネシウム合金鋳物 亜鉛合金鋳物 30 100 30 100 30 100 30 100 〜 〜 〜 〜 ( m / min ) ( m / min ) ( m / min ) ( m / min ) Cemented Carbide Taps ⑤ TYPE:1 TYPE:2 Roll Taps ⑥ Segment:1D L ℓt ℓ ℓn ℓs Ds K ℓk No. of TYPE Special Thread Taps Simple Inspection Tools Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes ⑦ For Metric Threads M6 × 1 ISO2X SY6.0MBLDTZ 2.5P 80 11 15 30 45 6 4.9 8 3 1 M8 × 1.25 ISO2X SY8.0NBLDTZ 2.5P 90 - 12 35 48 8 6.2 9 3 2 M10 × 1.5 ISO2X SY010OBLDTZ 2.5P 100 - 13 39 53 10 8 11 3 2 Pipe Taps M10 × 1.25 ⑧ 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 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 Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ DIN ①-193 ※ This product is different from JIS products in shape and dimensions, please be careful when using.