Pipe Tap Series Spiral Fluted Taps (for blind hole) SU-S-PT Hand Taps for Taper Pipe Threads, Short (ℓg) Type, for Stainless Steels Spiral Fluted Taps (for through hole) Specification ■SU-S-PT is the hand tap with short thread portion, suitable E for stainless steels which tend to work-harden and sticky, Oxide as well as chrome steels and molybdenum steels. PT 3/4 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials ow carbon steels Stainless steels TYPE:1 〜5 〜5 Hand Taps For icon explanation, refer to P.50 g Cemented Carbide Taps Segment:1G Basic L ℓ ℓg Ds K ℓk No. of Size Class Code Chamfer major dia (mm) (mm) (mm) (mm) (mm) (mm) flutes Type Stock (mm) For Pipe Threads PT 1/8-28 Ⅱ TUST02K 2.5P 9.728 55 16.5 10.5 8 6 9 4 1 △ Roll Taps PT 1/4-19 Ⅱ TUST04- 2.5P 13.157 62 19.5 12.5 11 9 12 4 1 △ PT 3/8-19 Ⅱ TUST06- 2.5P 16.662 65 21 14 14 11 14 4 1 △ PT 1/2-14 Ⅱ TUST08Q 2.5P 20.955 80 27 17 18 14 17 4 1 △ PT 3/4-14 Ⅱ TUST12Q 2.5P 26.441 85 29 19 23 17 20 4 1 △ Special Thread Taps Simple Inspection Tools PT 1 -11 Ⅱ TUST16U 2.5P 33.249 95 35 22 26 21 24 4 1 △ PT 1 1/4-11 Ⅱ TUST20U 2.5P 41.910 105 37.5 24.5 32 26 30 5 1 △ PT 1 1/2-11 Ⅱ TUST24U 2.5P 47.803 110 38.5 25.5 38 29 32 6 1 △ Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS Pipe-21 ◎=Standard ○=Semi standard △=Made to order 570 For improvement, spec may change without advance notice.