Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk PO OX Spiral Pointed Taps, Oxided 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 3M0.6 P2 POQ3.0HX 5P 46 9 14 26 4 3.2 6 3 3 △ M3.5 × 0.6 P2 POQ3.5HX 5P 52 11 16 29 5 4 7 3 3 △ P2 POQ4.0IX ◎ M4 × 0.7 5P 52 11 17 29 5 4 7 3 3 (for through hole) Spiral Fluted Taps P3 POR4.0IX △ 4M0.75 P2 POQ4.0JX 5P 52 11 17 29 5 4 7 3 3 △ P2 POQ5.0KX ◎ M5 × 0.8 5P 60 13 22 33 5.5 4.5 7 3 3 P3 POR5.0KX △ 5M0.9 P2 POQ5.0LX 5P 60 13 22 33 5.5 4.5 7 3 3 △ (for through hole) Spiral Pointed Taps P2 POQ6.0MX ◎ M6 × 1 5P 62 15 26 33 6 4.5 7 3 3 P3 POR6.0MX △ P3 POR8.0NX ◎ M8 × 1.25 5P 70 19 - 36 6.2 5 8 3 4 P4 POS8.0NX △ M8 × 1 P3 POR8.0MX 5P 70 19 - 36 6.2 5 8 3 4 △ Hand Taps P3 POR010OX ○ M10 × 1.5 5P 75 23 - 38 7 5.5 8 3 4 P4 POS010OX △ M10 × 1.25 P3 POR010NX 5P 75 23 - 38 7 5.5 8 3 4 △ P3 POR010MX Carbide Taps Cemented M10 × 1 5P 75 23 - 38 7 5.5 8 3 4 △ P4 POS010MX M12 × 1.75 P4 POS012PX 5P 82 26 - 42 8.5 6.5 9 3 4 ○ M12 × 1.5 P3 POR012OX 5P 82 26 - 42 8.5 6.5 9 3 4 △ M12 × 1.25 P4 POS012NX 5P 82 26 - 42 8.5 6.5 9 3 4 △ Roll Taps M14 × 2 P4 POS014QX 5P 88 26 - 45 10.5 8 11 3 4 △ M14 × 1.5 P3 POR014OX 5P 88 26 - 45 10.5 8 11 3 4 △ M14 × 1 P3 POR014MX 5P 88 26 - 45 10.5 8 11 3 4 △ M16 × 2 P4 POS016QX 5P 95 26 - 48 12.5 10 13 3 4 ○ M16 × 1.5 P3 POR016OX 5P 95 26 - 48 12.5 10 13 3 4 △ Simple Inspection Tools Special Thread Taps M18 × 2.5 P4 POS018RX 5P 100 33 - 51 14 11 14 3 4 △ M18 × 1.5 P4 POS018OX 5P 100 33 - 51 14 11 14 3 4 △ M20 × 2.5 P4 POS020RX 5P 105 33 - 50 15 12 15 3 5 ○ M20 × 1.5 P4 POS020OX 5P 105 33 - 50 15 12 15 3 5 △ Pipe Taps M22 × 2.5 P4 POS022RX 5P 115 33 - 55 17 13 16 3 5 △ M22 × 1.5 P4 POS022OX 5P 115 33 - 55 17 13 16 3 5 △ M24 × 3 P4 POS024SX 5P 120 39 - 55 19 15 18 3 5 △ M27 × 3 P4 POS027SX 5P 130 39 - 60 20 15 18 4 5 △ Thread Mills M30 × 3.5 P5 POT030TX 5P 135 46 - 62 23 17 20 4 5 △ M33 × 3.5 P5 POMT033TX 5P 145 46 - 67 25 19 22 4 5 △ M36 × 4 P5 POMT036UX 5P 155 52 - 71 28 21 24 4 5 △ M42 × 4.5 P5 POMT042VX 5P 175 59 - 81 32 26 30 4 5 △ Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order PO-0142 For improvement, spec may change without advance notice. 405