Spiral Pointed Taps Series PO Spiral Pointed 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 5/8W11 P3 PORW10U 5P 95 26 - 48 12.5 10 13 3 5 ○ 3/4W10 P4 POSW12V 5P 105 33 - 50 15 12 15 3 7 ○ 7/8W9 P4 POSW14W 5P 115 33 - 55 17 13 16 3 7 △ Spiral Fluted Taps (for through hole) 1 W8 P4 POSW16X 5P 125 39 - 58 19 15 18 3 7 △ 1 1/8W7 P4 POSW18Y 5P 135 46 - 62 23 17 20 4 7 △ 1 1/4W7 P4 POMSW20Y 5P 145 46 - 67 24 19 22 4 7 △ 1 3/8W6 P5 POMTW22Z 5P 155 52 - 71 28 21 24 4 7 △ Spiral Pointed Taps (for through hole) 1 1/2W6 P5 POMTW24Z 5P 165 52 - 76 30 23 26 4 7 △ For Screw Threads used on Sewing Machines Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes 3/32SM56 P1 POPS06E 5P 46 8.1 14 29 3 2.5 5 3 3 △ Hand Taps 1/8SM40 P2 POQS08H 5P 52 11 16 29 5 4 7 3 3 △ 1/8SM44 P2 POQS08G 5P 52 11 16 29 5 4 7 3 3 △ 9/64SM40 P2 POQS09H 5P 52 11 17 29 5 4 7 3 3 △ 11/64SM40 P2 POQS11H 5P 60 13 21 33 5.5 4.5 7 3 3 △ Cemented Carbide Taps 3/16SM28 P2 POQS12K 5P 60 13 21 33 5.5 4.5 7 3 3 △ 3/16SM32 P2 POQS12J 5P 60 13 21 33 5.5 4.5 7 3 3 △ 7/32SM32 P2 POQS14J 5P 62 15 26 33 6 4.5 7 3 3 △ 15/64SM28 P2 POQS15K 5P 62 15 26 33 6 4.5 7 3 3 △ 1/4SM24 P2 POQS16M 5P 62 15 26 33 6 4.5 7 3 3 △ Roll Taps 1/4SM40 P2 POQS16H 5P 62 8.6 26 33 6 4.5 7 3 4 △ Special Thread Taps Simple Inspection Tools Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS PPOO-0-39 ◎=Standard ○=Semi standard △=Made to order 402 For improvement, spec may change without advance notice.