Spiral Pointed Taps Series Spiral Fluted Taps (for blind hole) PO OX Spiral Pointed Taps, Oxided Spiral Fluted Taps (for through hole) Specification E Oxide ~ M2.6 M26 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials ow carbon steels Medium carbon steels 5〜10 5〜10 TYPE:1 For icon explanation, refer to P.50 Hand Taps Cemented Carbide Taps TYPE:2 TYPE:3 Roll Taps Special Thread Taps Simple Inspection Tools TYPE:4 TYPE:5 Pipe Taps Oversize Segment:1E Thread Mills Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads P1 POP1.4CX M1.4 × 0.3 5P 36 5.4 - 24 3 2.5 5 2 1 △ P2 POQ1.4CX Dies M1.6 × 0.35 P2 POQ1.6DX 5P 36 6.3 - 24 3 2.5 5 2 2 △ M1.7 × 0.35 P2 POQ1.7DX 5P 36 6.3 - 24 3 2.5 5 2 2 △ P2 POQ2.0EX ○ M2 × 0.4 5P 42 7.2 12 27 3 2.5 5 3 3 P3 POR2.0EX △ Center Drills M2.3 × 0.4 P2 POQ2.3EX 5P 42 7.2 12 27 3 2.5 5 3 3 △ P2 POQ2.5FX M2.5 × 0.45 5P 46 8.1 14 29 3 2.5 5 3 3 △ P3 POR2.5FX P2 POQ2.6FX M2.6 × 0.45 5P 46 8.1 14 29 3 2.5 5 3 3 △ P3 POR2.6FX Centering Tools P2 POQ3.0GX ◎ M3 × 0.5 P3 POR3.0GX 5P 46 9 14 26 4 3.2 6 3 3 P4 POS3.0GX △ JIS PO-11 ◎=Standard ○=Semi standard △=Made to order 404 For improvement, spec may change without advance notice.