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 SP 1.5P Spiral Fluted Taps 1.5P Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes M12 × 1.75 P2 SY012PQNEBA 1.5P 82 26 - 42 8.5 6.5 9 3 4 ○ M12 × 1.5 P2 SY012OQNEBA 1.5P 82 26 - 42 8.5 6.5 9 3 4 △ M12 × 1.25 P2 SY012NQNEBA 1.5P 82 26 - 42 8.5 6.5 9 3 4 △ M14 × 2 P2 SY014QQNEBA 1.5P 88 26 - 45 10.5 8 11 3 4 △ (for through hole) Spiral Fluted Taps M14 × 1.5 P2 SY014OQNEBA 1.5P 88 26 - 45 10.5 8 11 3 4 △ M16 × 2 P2 SY016QQNEBA 1.5P 95 26 - 48 12.5 10 13 3 4 △ M16 × 1.5 P2 SY016OQNEBA 1.5P 95 26 - 48 12.5 10 13 3 4 △ (for through hole) Spiral Pointed Taps Hand Taps Carbide Taps Cemented Roll Taps Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order SP-12 For improvement, spec may change without advance notice. 329