Hand Tap Series HT Hand Taps Spiral Fluted Taps (for blind hole) Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes TNMR2.3E5 5P P3 TNMR2.3E1 1.5P M2.3 × 0.4 42 7.2 12 27 3 2.5 5 3 3 △ TNMS2.3E5 5P Spiral Fluted Taps (for through hole) P4 TNMS2.3E1 1.5P TNMP2.3B5 5P M2.3 × 0.25 P1 42 4.5 12 27 3 2.5 5 3 4 △ TNMP2.3B1 1.5P TNMQ2.5F5 5P P2 ◎ Spiral Pointed Taps (for through hole) TNMQ2.5F1 1.5P TNMR2.5F5 5P M2.5 × 0.45 P3 46 8.1 14 29 3 2.5 5 3 3 ○ TNMR2.5F1 1.5P TNMS2.5F5 5P P4 △ TNMS2.5F1 1.5P Hand Taps TNMQ2.5D5 5P M2.5 × 0.35 P2 46 6.3 14 29 3 2.5 5 3 4 △ TNMQ2.5D1 1.5P TNMP2.6F5 5P P1 ◎ TNMP2.6F1 1.5P Cemented Carbide Taps TNMR2.6F5 5P M2.6 × 0.45 P3 46 8.1 14 29 3 2.5 5 3 3 ○ TNMR2.6F1 1.5P TNMS2.6F5 5P P4 △ TNMS2.6F1 1.5P Roll Taps TNMQ2.6D5 5P M2.6 × 0.35 P2 46 6.3 14 29 3 2.5 5 3 4 △ TNMQ2.6D1 1.5P TNMQ3.0G5 5P P2 ◎ TNMQ3.0G1 1.5P TNMR3.0G5 5P Special Thread Taps Simple Inspection Tools P3 ○ TNMR3.0G1 1.5P M3 × 0.5 46 9 14 26 4 3.2 6 3 3 TNMS3.0G5 5P P4 TNMS3.0G1 1.5P TNMT3.0G5 5P △ Pipe Taps P5 TNMT3.0G1 1.5P TNMQ3.0H5 5P 3M0.6 P2 46 9 14 26 4 3.2 6 3 3 ○ TNMQ3.0H1 1.5P TNMQ3.0D5 5P M3 × 0.35 P2 46 6.5 14 26 4 3.2 6 3 4 ○ Thread Mills TNMQ3.0D1 1.5P TNMQ3.5H5 5P P2 ○ TNMQ3.5H1 1.5P TNMR3.5H5 5P M3.5 × 0.6 P3 52 11 16 29 5 4 7 3 3 Dies TNMR3.5H1 1.5P TNMS3.5H5 5P △ P4 TNMS3.5H1 1.5P TNMQ3.5D5 5P M3.5 × 0.35 P2 52 6.5 16 29 5 4 7 3 4 ○ TNMQ3.5D1 1.5P Center Drills TNMQ4.0I5 5P P2 ◎ TNMQ4.0I1 1.5P TNMR4.0I53 5P P3 ○ TNMR4.0I13 1.5P M4 × 0.7 52 11 17 29 5 4 7 3 3 Centering Tools TNMS4.0I53 5P P4 TNMS4.0I13 1.5P TNMT4.0I53 5P △ P5 TNMT4.0I13 1.5P JIS HT-5 ◎=Standard ○=Semi standard △=Made to order 430 For improvement, spec may change without advance notice.