Spiral Fluted Tap Series Spiral Fluted Taps (for blind hole) SU2-SP Spiral Fluted Taps for Tough Stainless Steels Spiral Fluted Taps (for through hole) Specification ■SU2-SP is the spiral fluted tap most suitable for such tough E stainless steels as SUS316 and SUS317, blind hole use Oxide Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Alloy steels Stainless steels 5〜20 5〜15 TYPE:1 Hand Taps For icon explanation, refer to P.50 Cemented Carbide Taps TYPE:2 TYPE:3 Roll Taps Segment:1C Special Thread Taps Simple Inspection Tools 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 M3 × 0.5 P2 SU2MQ3.0G 3P 46 9 14 26 4 3.2 6 3 1 ○ M3.5 × 0.6 P2 SU2MQ3.5H 3P 52 11 16 29 5 4 7 3 1 △ Pipe Taps M4 × 0.7 P2 SU2MQ4.0I 3P 52 11 17 29 5 4 7 3 1 ○ M5 × 0.8 P2 SU2MQ5.0K 3P 60 13 22 33 5.5 4.5 7 3 1 ○ M6 × 1 P2 SU2MQ6.0M 3P 62 15 26 33 6 4.5 7 3 1 ○ M8 × 1.25 P3 SU2MR8.0N 3P 70 19 - 36 6.2 5 8 3 2 ○ M10 × 1.5 P3 SU2MR010O 3P 75 23 - 38 7 5.5 8 3 2 ○ Thread Mills M10 × 1.25 P3 SU2MR010N 3P 75 23 - 38 7 5.5 8 3 2 ○ M10 × 1 P3 SU2MR010M 3P 75 23 - 38 7 5.5 8 3 2 △ M12 × 1.75 P3 SU2MR012P 3P 82 26 - 42 8.5 6.5 9 4 2 ○ M12 × 1.5 P3 SU2MR012O 3P 82 26 - 42 8.5 6.5 9 4 2 △ Dies M12 × 1.25 P3 SU2MR012N 3P 82 26 - 42 8.5 6.5 9 4 2 △ M12 × 1 P3 SU2MR012M 3P 82 26 - 42 8.5 6.5 9 4 2 △ M14 × 2 P3 SU2MR014Q 3P 88 26 - 45 10.5 8 11 4 2 △ M14 × 1.5 P3 SU2MR014O 3P 88 26 - 45 10.5 8 11 4 2 △ Center Drills M16 × 2 P3 SU2MR016Q 3P 95 26 - 48 12.5 10 13 4 2 ○ M16 × 1.5 P3 SU2MR016O 3P 95 26 - 48 12.5 10 13 4 2 △ M18 × 2.5 P4 SU2MS018R 3P 100 33 - 51 14 11 14 4 2 △ M18 × 1.5 P3 SU2MR018O 3P 100 33 - 51 14 11 14 4 2 △ Centering Tools M20 × 2.5 P4 SU2MS020R 3P 105 33 - 50 15 12 15 4 3 ○ M20 × 1.5 P4 SU2MS020O 3P 105 33 - 50 15 12 15 4 3 △ M22 × 2.5 P4 SU2MS022R 3P 115 33 - 55 17 13 16 4 3 △ M22 × 1.5 P4 SU2MS022O 3P 115 33 - 55 17 13 16 4 3 △ JIS SP-39 ◎=Standard ○=Semi standard △=Made to order 356 For improvement, spec may change without advance notice.