Spiral Fluted Tap Series Spiral Fluted Taps (for blind hole) AL+SP/AL-SP Spiral Fluted Taps for Aluminum Spiral Fluted Taps (for through hole) Specification AL+SP ~ M6 E 2D AL-SP M8 ~ , all STI Nitride ~ M2.6 M26 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Brass Brass castings Bronze Wrought aluminum Aluminum alloy castings Magnesium alloy die castings inc alloy castings 10〜25 10〜25 10〜25 10〜25 10〜25 10〜25 10〜25 (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) Hand Taps For icon explanation, refer to P.50 TYPE:1 Cemented Carbide Taps TYPE:2 TYPE:3 Roll Taps Special Thread Taps Simple Inspection Tools Segment:1C Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes Pipe Taps For Metric Threads M2 × 0.4 P2 ASHPQ2.0E 2.5P 42 7.2 12 27 3 2.5 5 2 1 ○ M2.3 × 0.4 P2 ASHPQ2.3E 2.5P 42 7.2 12 27 3 2.5 5 2 1 △ M2.5 × 0.45 P2 ASHPQ2.5F 2.5P 46 8.1 14 29 3 2.5 5 2 1 ○ M2.6 × 0.45 P2 ASHPQ2.6F 2.5P 46 8.1 14 29 3 2.5 5 2 1 ○ Thread Mills M3 × 0.5 P2 ASHPQ3.0G 2.5P 46 9 14 26 4 3.2 6 3 1 ○ M3.5 × 0.6 P2 ASHPQ3.5H 2.5P 52 11 16 29 5 4 7 3 1 △ M4 × 0.7 P3 ASHPR4.0I 2.5P 52 11 17 29 5 4 7 3 1 ○ M5 × 0.8 P3 ASHPR5.0K 2.5P 60 13 22 33 5.5 4.5 7 3 1 ○ Dies M6 × 1 P3 ASHPR6.0M 2.5P 62 15 26 33 6 4.5 7 3 1 ○ M8 × 1.25 P3 ASHMR8.0N 2.5P 70 19 - 36 6.2 5 8 3 2 ○ M10 × 1.5 P3 ASHMR010O 2.5P 75 23 - 38 7 5.5 8 3 2 ○ M10 × 1.25 P3 ASHMR010N 2.5P 75 23 - 38 7 5.5 8 3 2 △ Center Drills M10 × 1 P3 ASHMR010M 2.5P 75 23 - 38 7 5.5 8 3 2 △ M12 × 1.75 P3 ASHMR012P 2.5P 82 26 - 42 8.5 6.5 9 3 2 ○ M12 × 1.5 P3 ASHMR012O 2.5P 82 26 - 42 8.5 6.5 9 3 2 △ M12 × 1.25 P3 ASHMR012N 2.5P 82 26 - 42 8.5 6.5 9 3 2 △ M12 × 1 P3 ASHMR012M 2.5P 82 26 - 42 8.5 6.5 9 3 2 △ Centering Tools M14 × 2 P3 ASHMR014Q 2.5P 88 26 - 45 10.5 8 11 3 2 △ M14 × 1.5 P3 ASHMR014O 2.5P 88 26 - 45 10.5 8 11 3 2 △ M16 × 2 P3 ASHMR016Q 2.5P 95 26 - 48 12.5 10 13 3 2 △ M16 × 1.5 P3 ASHMR016O 2.5P 95 26 - 48 12.5 10 13 3 2 △ JIS SP-49 ◎=Standard ○=Semi standard △=Made to order 366 For improvement, spec may change without advance notice.