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 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 TNMR018O5 5P P3 ◎ TNMR018O1 1.5P M18 × 1.5 100 33 - 51 14 11 14 4 5 TNMS018O5 5P P4 △ (for through hole) Spiral Fluted Taps TNMS018O1 1.5P TNMR018M5 5P M18 × 1 P3 100 18 - 51 14 11 14 4 6 ○ TNMR018M1 1.5P TNMQ018G5 5P M18 × 0.5 P2 100 13 - 51 14 11 14 4 6 △ TNMQ018G1 1.5P (for through hole) Spiral Pointed Taps TNMR019O5 5P M19 × 1.5 P3 105 33 - 50 15 12 15 4 7 △ TNMR019O1 1.5P TNMR019M5 5P M19 × 1 P3 105 18 - 50 15 12 15 4 8 △ TNMR019M1 1.5P TNMS020R5 5P Hand Taps P4 ◎ TNMS020R1 1.5P M20 × 2.5 105 33 - 50 15 12 15 4 7 TNMT020R5 5P P5 △ TNMT020R1 1.5P TNMS020Q5 5P Carbide Taps Cemented M20 × 2 P4 105 33 - 50 15 12 15 4 7 ○ TNMS020Q1 1.5P TNMR020O5 5P P3 ◎ TNMR020O1 1.5P M20 × 1.5 105 33 - 50 15 12 15 4 7 TNMS020O5 5P Roll Taps P4 △ TNMS020O1 1.5P TNMR020M5 5P M20 × 1 P3 105 18 - 50 15 12 15 4 8 ○ TNMR020M1 1.5P TNMS022R5 5P M22 × 2.5 P4 115 33 - 55 17 13 16 4 7 ○ Simple Inspection Tools Special Thread Taps TNMS022R1 1.5P TNMS022Q5 5P M22 × 2 P4 115 33 - 55 17 13 16 4 7 ○ TNMS022Q1 1.5P TNMR022O5 5P M22 × 1.5 P3 115 33 - 55 17 13 16 4 7 ◎ Pipe Taps TNMR022O1 1.5P TNMR022M5 5P M22 × 1 P3 115 19 - 55 17 13 16 4 8 ○ TNMR022M1 1.5P TNMS024S5 5P M24 × 3 P4 120 39 - 55 19 15 18 4 7 ◎ TNMS024S1 1.5P Thread Mills TNMS024Q5 5P M24 × 2 P4 120 39 - 55 19 15 18 4 7 ○ TNMS024Q1 1.5P TNMR024O5 5P M24 × 1.5 P3 120 39 - 55 19 15 18 4 7 ◎ TNMR024O1 1.5P Dies TNMR024M5 5P M24 × 1 P3 120 19 - 55 19 15 18 4 8 ○ TNMR024M1 1.5P TNMS025S5 5P M25 × 3 P4 125 39 - 58 19 15 18 4 7 △ TNMS025S1 1.5P TNMS025Q5 5P Center Drills M25 × 2 P4 125 39 - 58 19 15 18 4 7 ○ TNMS025Q1 1.5P TNMR025O5 5P M25 × 1.5 P3 125 39 - 58 19 15 18 4 7 ○ TNMR025O1 1.5P TNMR025M5 5P Centering Tools M25 × 1 P3 125 20 - 58 19 15 18 4 8 ○ TNMR025M1 1.5P TNMS026S5 5P M26 × 3 P4 130 39 - 60 20 15 18 4 7 △ TNMS026S1 1.5P JIS ◎=Standard ○=Semi standard △=Made to order HT-10 For improvement, spec may change without advance notice. 435