Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk TYPE:1 TYPE:2 (for blind hole) Spiral Fluted Taps Segment:1E (for through hole) Spiral Fluted Taps Size Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes (for through hole) Spiral Pointed Taps For Metric Threads M3 × 0.5 PI73.0G 5P 46 9 14 26 4 3.2 6 3 1 ◎ M4 × 0.7 PI74.0I 5P 52 11 17 29 5 4 7 3 1 ◎ M5 × 0.8 PI75.0K 5P 60 13 22 33 5.5 4.5 7 3 1 ◎ M6 × 1 PI76.0M 5P 62 15 26 33 6 4.5 7 3 1 ◎ Hand Taps M8 × 1.25 PI78.0N 5P 70 19 - 36 6.2 5 8 3 2 ◎ M10 × 1.5 PI7010O 5P 75 23 - 38 7 5.5 8 3 2 ◎ Blister Pack Carbide Taps Cemented Size Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes Roll Taps For Metric Threads M3 × 0.5 PI73.0GBP 5P 46 9 14 26 4 3.2 6 3 1 ◎ M4 × 0.7 PI74.0IBP 5P 52 11 17 29 5 4 7 3 1 ◎ M5 × 0.8 PI75.0KBP 5P 60 13 22 33 5.5 4.5 7 3 1 ◎ M6 × 1 PI76.0MBP 5P 62 15 26 33 6 4.5 7 3 1 ◎ Simple Inspection Tools Special Thread Taps M8 × 1.25 PI78.0NBP 5P 70 19 - 36 6.2 5 8 3 2 ◎ M10 × 1.5 PI7010OBP 5P 75 23 - 38 7 5.5 8 3 2 ◎ Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order PO-024 For improvement, spec may change without advance notice. 395