Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk HT Hand Taps Oversize (for blind hole) Spiral Fluted Taps Segment:1A 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 TNMP1.0B5 5P (for through hole) Spiral Fluted Taps M1 × 0.25 P1 36 4.5 - 24 3 2.5 5 3 1 ○ TNMP1.0B1 1.5P TNMP1.0A5 5P M1 × 0.2 P1 36 3.6 - 24 3 2.5 5 3 1 △ TNMP1.0A1 1.5P TNMP1.1B5 5P M1.1 × 0.25 P1 36 4.5 - 24 3 2.5 5 3 1 ○ (for through hole) Spiral Pointed Taps TNMP1.1B1 1.5P TNMP1.1A5 5P M1.1 × 0.2 P1 36 3.6 - 24 3 2.5 5 3 1 △ TNMP1.1A1 1.5P TNMP1.2B5 5P P1 ○ TNMP1.2B1 1.5P Hand Taps M1.2 × 0.25 36 4.5 - 24 3 2.5 5 3 1 TNMR1.2B5 5P P3 △ TNMR1.2B1 1.5P TNMP1.2A5 5P M1.2 × 0.2 P1 36 3.6 - 24 3 2.5 5 3 1 △ TNMP1.2A1 1.5P Carbide Taps Cemented TNMP1.4C5 5P P1 ◎ TNMP1.4C1 1.5P M1.4 × 0.3 36 5.4 - 24 3 2.5 5 3 1 TNMR1.4C5 5P P3 △ TNMR1.4C1 1.5P TNMP1.4A5 5P Roll Taps M1.4 × 0.2 P1 36 3.6 - 24 3 2.5 5 3 1 △ TNMP1.4A1 1.5P TNMQ1.6D5 5P M1.6 × 0.35 P2 36 6.3 - 24 3 2.5 5 3 2 ◎ TNMQ1.6D1 1.5P TNMP1.6A5 5P Simple Inspection Tools Special Thread Taps M1.6 × 0.2 P1 36 3.6 - 24 3 2.5 5 3 2 △ TNMP1.6A1 1.5P TNMP1.7D5 5P P1 ◎ TNMP1.7D1 1.5P M1.7 × 0.35 36 6.3 - 24 3 2.5 5 3 2 TNMR1.7D5 5P Pipe Taps P3 △ TNMR1.7D1 1.5P TNMP1.7A5 5P M1.7 × 0.2 P1 36 3.6 - 24 3 2.5 5 3 2 △ TNMP1.7A1 1.5P TNMQ1.8D5 5P M1.8 × 0.35 P2 42 6.3 - 27 3 2.5 5 3 2 △ Thread Mills TNMQ1.8D1 1.5P TNMP1.8A5 5P M1.8 × 0.2 P1 42 3.6 - 27 3 2.5 5 3 2 △ TNMP1.8A1 1.5P TNMP2.0E5 5P P1 ◎ Dies TNMP2.0E1 1.5P TNMR2.0E5 5P M2 × 0.4 P3 42 7.2 12 27 3 2.5 5 3 3 ○ TNMR2.0E1 1.5P TNMS2.0E5 5P P4 △ TNMS2.0E1 1.5P Center Drills TNMP2.0B5 5P M2 × 0.25 P1 42 4.5 12 27 3 2.5 5 3 4 ○ TNMP2.0B1 1.5P TNMQ2.2F5 5P M2.2 × 0.45 P2 42 8.1 12 27 3 2.5 5 3 3 ○ TNMQ2.2F1 1.5P TNMP2.2B5 5P Centering Tools M2.2 × 0.25 P1 42 4.5 12 27 3 2.5 5 3 4 △ TNMP2.2B1 1.5P TNMP2.3E5 5P M2.3 × 0.4 P1 42 7.2 12 27 3 2.5 5 3 3 ○ TNMP2.3E1 1.5P JIS ◎=Standard ○=Semi standard △=Made to order HT-4 For improvement, spec may change without advance notice. 429