Pipe Tap Series Spiral Fluted Taps (for blind hole) Rc Hand Taps for Taper Pipe Threads Spiral Fluted Taps (for through hole) Specification E Rc 3/4 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Medium carbon 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 Rc 1/16-28 Ⅱ TH2RC01K 2.5P 7.723 59 14 10.1 8 6 9 4 1 ○ Special Thread Taps Simple Inspection Tools Rc 1/8-28 Ⅱ TH2RC02K 2.5P 9.728 59 15 10.1 8 6 9 4 2 ○ Rc 1/4-19 Ⅱ TH2RC04- 2.5P 13.157 67 19 15 11 9 12 4 2 ○ Rc 3/8-19 Ⅱ TH2RC06- 2.5P 16.662 75 21 15.4 14 11 14 4 2 ○ Rc 1/2-14 Ⅱ TH2RC08Q 2.5P 20.955 87 26 20.5 18 14 17 4 2 ○ Pipe Taps Rc 3/4-14 Ⅱ TH2RC12Q 2.5P 26.441 96 28 21.8 23 17 20 4 2 ○ Rc 1-11 Ⅱ TH2RC16U 2.5P 33.249 109 33 26 26 21 24 5 2 ○ Rc 1 1/4-11 Ⅱ TH2RC20U 2.5P 41.910 119 36 28.3 32 26 30 5 2 ○ Rc 1 1/2-11 Ⅱ TH2RC24U 2.5P 47.803 125 37 28.3 38 29 32 6 2 ○ Thread Mills Rc 2-11 Ⅱ TH2RC32U 2.5P 59.614 140 41 32.7 46 35 38 6 2 ○ Dies Center Drills Centering Tools JIS Pipe-1 ◎=Standard ○=Semi standard △=Made to order 550 For improvement, spec may change without advance notice.