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 TYPE:1 (for blind hole) Spiral Fluted Taps (for through hole) Spiral Fluted Taps TYPE:2 TYPE:3 (for through hole) Spiral Pointed Taps Segment:1C Hand Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Carbide Taps Cemented M2 × 0.4 P2 VSAPQ2.0E 2.5P 42 7.2 12 27 3 2.5 5 2 1 ○ M2.5 × 0.45 P2 VSAPQ2.5F 2.5P 46 8.1 14 29 3 2.5 5 2 1 ○ M2.6 × 0.45 P2 VSAPQ2.6F 2.5P 46 8.1 14 29 3 2.5 5 2 1 ○ M3 × 0.5 P2 VSAPQ3.0G 2.5P 46 9 14 26 4 3.2 6 3 1 ◎ Roll Taps M4 × 0.7 P2 VSAPQ4.0I 2.5P 52 11 17 29 5 4 7 3 1 ◎ M5 × 0.8 P2 VSAPQ5.0K 2.5P 60 13 22 33 5.5 4.5 7 3 1 ◎ M6 × 1 P2 VSAPQ6.0M 2.5P 62 15 26 33 6 4.5 7 3 1 ◎ M8 × 1.25 P3 VSAPR8.0N 2.5P 70 19 - 36 6.2 5 8 3 2 ◎ M8 × 1 P3 VSAPR8.0M 2.5P 70 19 - 36 6.2 5 8 3 2 ○ Simple Inspection Tools Special Thread Taps M10 × 1.5 P3 VSAPR010O 2.5P 75 23 - 38 7 5.5 8 4 2 ◎ M10 × 1.25 P3 VSAPR010N 2.5P 75 23 - 38 7 5.5 8 4 2 ◎ M10 × 1 P3 VSAPR010M 2.5P 75 23 - 38 7 5.5 8 4 2 ○ M12 × 1.75 P3 VSAPR012P 2.5P 82 26 - 42 8.5 6.5 9 4 2 ◎ Pipe Taps M12 × 1.5 P3 VSAPR012O 2.5P 82 26 - 42 8.5 6.5 9 4 2 ◎ M12 × 1.25 P3 VSAPR012N 2.5P 82 26 - 42 8.5 6.5 9 4 2 ◎ M14 × 2 P3 VSAPR014Q 2.5P 88 26 - 45 10.5 8 11 4 2 ◎ M14 × 1.5 P3 VSAPR014O 2.5P 88 26 - 45 10.5 8 11 4 2 ◎ Thread Mills M16 × 2 P3 VSAPR016Q 2.5P 95 26 - 48 12.5 10 13 4 2 ◎ M16 × 1.5 P3 VSAPR016O 2.5P 95 26 - 48 12.5 10 13 4 2 ◎ M18 × 2.5 P4 VSAPS018R 2.5P 100 33 - 51 14 11 14 4 2 ◎ M18 × 1.5 P4 VSAPS018O 2.5P 100 33 - 51 14 11 14 4 2 ◎ Dies M20 × 2.5 P4 VSAPS020R 2.5P 105 33 - 50 15 12 15 4 3 ◎ M20 × 1.5 P4 VSAPS020O 2.5P 105 33 - 50 15 12 15 4 3 ◎ Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order SP-24 For improvement, spec may change without advance notice. 341