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EH-PO

Spiral Pointed Taps for Hard-to-Machine Materials

Specification

■ Spiral pointed tap suitable for high hardness steels of 35～ 45HRC such as forgings and thermal refined steels of high carbon steels and alloy steels, and die steels. Through hole use.

Recommended Tapping Speeds depending on Materials

Thermal re ned steels

5 TYPE：1

35～45HRC For icon explanation, refer to P.50

TYPE：2 TYPE：3

Segment：1F

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

For Metric Threads M3 × 0.5 ○

P3 EPHMR3.0G 4.5P 46 9 14 26 4 3.2 6 3 1

M4 × 0.7 ○

P3 EPHMR4.0I 4.5P 52 11 17 29 5 4 7 3 1

M5 × 0.8 ○

P3 EPHMR5.0K 4.5P 60 13 22 33 5.5 4.5 7 3 1

M6 × 1 ○

P3 EPHMR6.0M 4.5P 62 15 26 33 6 4.5 7 3 1

M8 × 1.25 ○

P4 EPHMS8.0N 4.5P 70 19 - 36 6.2 5 8 3 2

M10 × 1.5 ○

P4 EPHMS010O 4.5P 75 23 - 38 7 5.5 8 3 2

M10 × 1.25 ○

P4 EPHMS010N 4.5P 75 23 - 38 7 5.5 8 3 2

M12 × 1.75 ○

P4 EPHMS012P 4.5P 82 26 - 42 8.5 6.5 9 3 2

M12 × 1.5 △

P4 EPHMS012O 4.5P 82 26 - 42 8.5 6.5 9 3 2

M12 × 1.25 △

P4 EPHMS012N 4.5P 82 26 - 42 8.5 6.5 9 3 2

M14 × 2 △

P5 EPHMT014Q 4.5P 88 26 - 45 10.5 8 11 3 2

M14 × 1.5 ○

P4 EPHMS014O 4.5P 88 26 - 45 10.5 8 11 3 2

M16 × 2 ○

P5 EPHMT016Q 4.5P 95 26 - 48 12.5 10 13 3 2

M16 × 1.5 △

P4 EPHMS016O 4.5P 95 26 - 48 12.5 10 13 3 2

M18 × 2.5 △

P5 EPHMT018R 4.5P 100 33 - 51 14 11 14 3 2

M18 × 1.5 △

P4 EPHMS018O 4.5P 100 33 - 51 14 11 14 3 2

M20 × 2.5 △

P5 EPHMT020R 4.5P 105 33 - 50 15 12 15 3 3

M20 × 1.5 △

P4 EPHMS020O 4.5P 105 33 - 50 15 12 15 3 3

M22 × 2.5 △

P5 EPHMT022R 4.5P 115 33 - 55 17 13 16 3 3

M22 × 1.5 △

P4 EPHMS022O 4.5P 115 33 - 55 17 13 16 3 3

M24 × 3 △

P5 EPHMT024S 4.5P 120 39 - 55 19 15 18 3 3

M24 × 1.5 △

P4 EPHMS024O 4.5P 120 39 - 55 19 15 18 3 3