Pipe Tap Series Spiral Fluted Taps (for blind hole) NPS Hand Taps for American Parallel Pipe Threads Spiral Fluted Taps (for through hole) Specification E NPS 3/4 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Medium carbon steels 5〜10 Hand Taps For icon explanation, refer to P.50 TYPE:1 TYPE:2 Cemented Carbide Taps Roll Taps Segment:1G Basic L ℓ Ds K ℓk No. of Size Class Code Chamfer major dia (mm) (mm) (mm) (mm) (mm) flutes Type Stock (mm) For American Pipe Threads NPS 1/16-27 ANSI G TNPS01L 5P 7.770 54 17 8 6 9 4 1 △ Special Thread Taps Simple Inspection Tools NPS 1/8-27 ANSI G TNPS02L 5P 10.117 55 19 8 6 9 4 2 △ NPS 1/4-18 ANSI G TNPS04O 5P 13.426 62 28 11 9 12 4 2 △ NPS 3/8-18 ANSI G TNPS06O 5P 16.866 65 28 14 11 14 4 2 △ NPS 1/2-14 ANSI G TNPS08Q 5P 20.980 80 35 18 14 17 4 2 △ Pipe Taps NPS 3/4-14 ANSI G TNPS12Q 5P 26.325 85 35 23 17 20 4 2 △ NPS 1 -11.5 ANSI G TNPS16T 5P 32.934 95 45 26 21 24 5 2 △ NPS 1 1/4-11.5 ANSI G TNPS20T 5P 41.689 105 45 32 26 30 5 2 △ NPS 1 1/2-11.5 ANSI G TNPS24T 5P 47.760 110 45 38 29 32 6 2 △ Thread Mills NPS 2 -11.5 ANSI G TNPS32T 5P 59.797 120 50 46 35 38 6 2 △ Dies Center Drills Centering Tools JIS Pipe-51 ◎=Standard ○=Semi standard △=Made to order 600 For improvement, spec may change without advance notice.