Pipe Tap Series Spiral Fluted Taps (for blind hole) INT-S-PT Interrupted Taps for Taper Pipe Threads, Short (ℓg) Type Spiral Fluted Taps (for through hole) Specification ■INT-S-PT Short Spiral Fluted Tap, having low left-hand E spiral flutes and having every other thread ground off, Oxide reduces cutting torque. PT 3/4 ~  INT-S-PT is suitable for such sticky materials as stainless Recommended Tapping Speeds depending on Materials steels and chrome molybdenum steels. Spiral Pointed Taps (for through hole) Stainless steels 〜5 Hand Taps For icon explanation, refer to P.50 TYPE:1 TYPE:2 Cemented Carbide Taps g g Roll 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 1/16-28 Ⅱ TIST01K-8 3P 7.723 55 16.5 10.5 8 6 9 3 1 △ Special Thread Taps Simple Inspection Tools PT 1/8-28 Ⅱ TIST02K 3P 9.728 55 16.5 10.5 8 6 9 5 2 ○ PT 1/4-19 Ⅱ TIST04- 3P 13.157 62 19.5 12.5 11 9 12 5 2 ○ PT 3/8-19 Ⅱ TIST06- 3P 16.662 65 21 14 14 11 14 5 2 ○ PT 1/2-14 Ⅱ TIST08Q 3P 20.955 80 27 17 18 14 17 5 2 ○ Pipe Taps PT 3/4-14 Ⅱ TIST12Q 3P 26.441 85 29 19 23 17 20 5 2 ○ PT 1 -11 Ⅱ TIST16U 3P 33.249 95 35 22 26 21 24 5 2 ○ PT 1 1/4-11 Ⅱ TIST20U 3P 41.910 105 37.5 24.5 32 26 30 5 2 ○ PT 1 1/2-11 Ⅱ TIST24U 3P 47.803 110 38.5 25.5 38 29 32 7 2 ○ Thread Mills PT 2 -11 Ⅱ TIST32U 3P 59.614 120 42.5 27.5 46 35 38 7 2 ○ Dies Center Drills Centering Tools JIS Pipe-15 ◎=Standard ○=Semi standard △=Made to order 564 For improvement, spec may change without advance notice.