Pipe Tap Series Spiral Fluted Taps (for blind hole) PT LH Hand Taps for Taper Pipe Threads, Long (ℓg) Type, for LH Threads Spiral Fluted Taps (for through hole) Specification E Left hand PT 3/4 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Medium carbon steels TYPE:1 〜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 TH2T02K--L 2.5P 9.728 55 19 13 8 6 9 4 1 △ Roll Taps PT 1/4-19 Ⅱ TH2T04---L 2.5P 13.157 62 28 21 11 9 12 4 1 △ PT 3/8-19 Ⅱ TH2T06---L 2.5P 16.662 65 28 21 14 11 14 4 1 △ PT 1/2-14 Ⅱ TH2T08Q--L 2.5P 20.955 80 35 25 18 14 17 4 1 △ PT 3/4-14 Ⅱ TH2T12Q--L 2.5P 26.441 85 35 25 23 17 20 4 1 △ Special Thread Taps Simple Inspection Tools PT 1 -11 Ⅱ TH2T16U--L 2.5P 33.249 95 45 32 26 21 24 5 1 △ PT 1 1/4-11 Ⅱ TH2T20U--L 2.5P 41.910 105 45 32 32 26 30 5 1 △ PT 1 1/2-11 Ⅱ TH2T24U--L 2.5P 47.803 110 45 32 38 29 32 6 1 △ PT 2 -11 Ⅱ TH2T32U--L 2.5P 59.614 120 50 35 46 35 38 6 1 △ Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS Pipe-3 ◎=Standard ○=Semi standard △=Made to order 552 For improvement, spec may change without advance notice.