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 LS-SP (for blind hole) Spiral Fluted Taps Long Shank Spiral Fluted Taps Specification (for through hole) Spiral Fluted Taps E ~ M2.6 M26 ~ Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps Medium carbon steels 5〜10 TYPE:1 For icon explanation, refer to P.50 Hand Taps TYPE:2 TYPE:3 Carbide Taps Cemented Roll Taps Oversize Segment:1C Simple Inspection Tools Special Thread 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 M2 × 0.4 P1 SPP2.0EL07 2.5P 70 7.2 12 55 3 2.5 5 2 1 △ M2.3 × 0.4 P1 SPP2.3EL07 2.5P 70 7.2 12 55 3 2.5 5 2 1 △ Pipe Taps M2.5 × 0.45 P1 SPP2.5FL07 2.5P 70 8.1 14 53 3 2.5 5 2 1 △ M2.6 × 0.45 P1 SPP2.6FL07 2.5P 70 8.1 14 53 3 2.5 5 2 1 △ SPP3.0GL07 70 50 △ SPP3.0GL10 100 ◎ P1 Thread Mills SPP3.0GL12 120 △ SPP3.0GL15 150 ○ M3 × 0.5 2.5P 9 14 4 3.2 6 3 1 SPQ3.0GL10 100 40 P2 SPQ3.0GL15 150 SPR3.0GL10 100 △ Dies P3 SPR3.0GL15 150 SPQ4.0IL07 70 47 △ SPQ4.0IL10 100 ◎ P2 SPQ4.0IL12 120 △ Center Drills M4 × 0.7 2.5P 11 17 5 4 7 3 1 SPQ4.0IL15 150 40 ◎ SPR4.0IL10 100 P3 △ SPR4.0IL15 150 SPQ5.0KL10 100 ◎ P2 SPQ5.0KL12 120 △ Centering Tools M5 × 0.8 SPQ5.0KL15 2.5P 150 13 22 40 5.5 4.5 7 3 1 ◎ SPR5.0KL10 100 P3 △ SPR5.0KL15 150 JIS ◎=Standard ○=Semi standard △=Made to order SP-26 For improvement, spec may change without advance notice. 343