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S-PO

Short Spiral Pointed Taps for Deep Hole Use

Specification

■ S-PO is the spiral pointed tap having short thread portion E which reduces friction and makes smooth the coolant supply, and is suitable for such deep holes as are deeper Oxide than 2.5 times of the nominal dia. ～M2.6 M26～

Recommended Tapping Speeds depending on Materials

Medium carbon steels High carbon steels

5 10 5 10 TYPE：1

For icon explanation, refer to P.50

TYPE：2 TYPE：3

Segment：1E

SizeClassCodeChamferLℓtℓℓnℓsDsKℓkNo. of
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)flutes Type Stock

For Metric Threads M2 × 0.4 ○

P2 PSMQ2.0E 5P 42 4 7.2 12 27 3 2.5 5 2 1

M2.3× 0.4 △

P2 PSMQ2.3E 5P 42 4 7.2 12 27 3 2.5 5 2 1

M2.5× 0.45 △

P2 PSMQ2.5F 5P 46 4 8.1 14 29 3 2.5 5 2 1

M2.6× 0.45 △

P2 PSMQ2.6F 5P 46 4 8.1 14 29 3 2.5 5 2 1

M3 × 0.5 ○

P2 PSMQ3.0G 5P 46 5 9 14 26 4 3.2 6 3 1

M3.5× 0.6 △

P2 PSMQ3.5H 5P 52 7 11 16 29 5 4 7 3 1

M4 × 0.7 ○

P2 PSMQ4.0I 5P 52 7 11 17 29 5 4 7 3 1

M5 × 0.8 ○

P2 PSMQ5.0K 5P 60 9 13 22 33 5.5 4.5 7 3 1

M6 × 1 ○

P2 PSMQ6.0M 5P 62 11 15 26 33 6 4.5 7 3 1

M8 × 1.25 ○

P3 PSMR8.0N 5P 70 - 12 - 36 6.2 5 8 3 2

M8 × 1 △

P3 PSMR8.0M 5P 70 - 12 - 36 6.2 5 8 3 2

M10× 1.5 ○

P3 PSMR010O 5P 75 - 13 - 38 7 5.5 8 3 2

M10× 1.25 △

P3 PSMR010N 5P 75 - 13 - 38 7 5.5 8 3 2

M10× 1 ○

P3 PSMR010M 5P 75 - 13 - 38 7 5.5 8 3 2

M12× 1.75 ○

P4 PSMS012P 5P 82 - 15 - 42 8.5 6.5 9 3 2

M12× 1.5 △

P3 PSMR012O 5P 82 - 15 - 42 8.5 6.5 9 3 2

M12× 1.25 ○

P4 PSMS012N 5P 82 - 15 - 42 8.5 6.5 9 3 2

M12× 1 △

P3 PSMR012M 5P 82 - 15 - 42 8.5 6.5 9 3 2

M14× 2 ○

P4 PSMS014Q 5P 88 - 18 - 45 10.5 8 11 3 2

M14× 1.5 ○

P3 PSMR014O 5P 88 - 14 - 45 10.5 8 11 3 2

M16× 2 ○

P4 PSMS016Q 5P 95 - 18 - 48 12.5 10 13 3 2

M16× 1.5 △

P3 PSMR016O 5P 95 - 14 - 48 12.5 10 13 3 2

M18× 2.5 △

P4 PSMS018R 5P 100 - 20 - 51 14 11 14 3 2