Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk SU+PO/SU-PO (for blind hole) Spiral Fluted Taps Spiral Pointed Taps for Stainless Steels Specification (for through hole) Spiral Fluted Taps ■Suitable for stainless steels tending to work harden and E sticky, as well as chrome steels and molybdenum steels. Oxide Through hole use. ~ M2.6 M26 ~ SU+PO ~ M2.6 Recommended Tapping Speeds depending on Materials SU-PO M3 ~ , all U, all W (for through hole) Spiral Pointed Taps ow carbon steels Medium carbon steels Stainless steels 〜10 〜10 〜10 TYPE:1 For icon explanation, refer to P.50 Hand Taps ※タップの全長が凸センターの場合、凸部分は全長に含みません。 TYPE:2 TYPE:3 Carbide Taps Cemented Roll Taps ※タップの全長が凸センターの場合、凸部分は全長に含みません。 ※タップの全長が凸センターの場合、凸部分は全長に含みません。 TYPE:4 TYPE:5 Simple Inspection Tools Special Thread Taps ※タップの全長が凸センターの場合、凸部分は全長に含みません。 ※タップの全長が凸センターの場合、凸部分は全長に含みません。 Pipe Taps Oversize Segment:1E Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock Thread Mills (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads M1.4 × 0.3 P1 PUPP1.4C 5P 36 5.4 - 24 3 2.5 5 2 1 △ M1.6 × 0.35 P2 PUPQ1.6D 5P 36 6.3 - 24 3 2.5 5 2 2 △ M1.7 × 0.35 P2 PUPQ1.7D 5P 36 6.3 - 24 3 2.5 5 2 2 △ Dies P2 PUPQ2.0E ◎ M2 × 0.4 5P 42 7.2 12 27 3 2.5 5 2 3 P3 PUPR2.0E △ P2 PUPQ2.3E ○ M2.3 × 0.4 5P 42 7.2 12 27 3 2.5 5 2 3 P3 PUPR2.3E △ P2 PUPQ2.5F ○ Center Drills M2.5 × 0.45 5P 46 8.1 14 29 3 2.5 5 2 3 P3 PUPR2.5F △ P2 PUPQ2.6F ○ M2.6 × 0.45 5P 46 8.1 14 29 3 2.5 5 2 3 P3 PUPR2.6F △ P2 PUMQ3.0G ◎ Centering Tools M3 × 0.5 P3 PUMR3.0G 5P 46 9 14 26 4 3.2 6 3 3 P4 PUMS3.0G △ 3M0.6 P2 PUMQ3.0H 5P 46 9 14 26 4 3.2 6 3 3 △ JIS ◎=Standard ○=Semi standard △=Made to order PO-0242 For improvement, spec may change without advance notice. 415