DIN EH-PO

Spiral Pointed Taps for Hard-to-Machine Materials

Specification

■ Spiral pointed tap suitable for high hardness steels of 30 ~ 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 TYPE:1

High carbon steelsThermal refined steelsThermal refined steelsThermal refined steels
5高炭素鋼調質鋼5105調質鋼10調質鋼5
(m/min)(m/min)( m/ min)

25〜35HRC 35〜45HRC

TYPE:2 TYPE:3

Segment:1F

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTYPE
For Metric Threads
M3×0.5ISO2XPD3.0GBDCB4.5P56918343.52.7631
M4×0.7ISO2XPD4.0IBDCB4.5P631321384.53.4631
M5×0.8ISO2XPD5.0KBDCB4.5P7014253964.9831
M6×1ISO2XPD6.0MBDCB4.5P8015304564.9831
M8×1.25ISO2XPD8.0NBDCB4.5P9019354786.2932
M8×1ISO2XPM8.0MBDCB4.5P9019-4664.9833
M10×1.5ISO2XPD010OBDCB4.5P100233952.51081132
M10×1.25ISO2XPM010NBDCB4.5P10023-5175.5833
M10×1ISO2XPM010MBDCB4.5P9019-4675.5833
M12×1.75ISO2XPG012PBDCB4.5P11026-56971033
M12×1.5ISO2XPM012OBDCB4.5P10021-51971033
M12×1.25ISO2XPM012NBDCB4.5P10021-51971033
M14×2ISO2XPG014QBDCB4.5P11026-561191233
M14×1.5ISO2XPM014OBDCB4.5P10021-511191233
M16×2ISO2XPG016QBDCB4.5P11026-561291233
M16×1.5ISO2XPM016OBDCB4.5P10021-511291233
M18×2.5ISO2XPG018RBDCB4.5P12533-6414111433
M18×1.5ISO2XPM018OBDCB4.5P11024-5614111433
M20×2.5ISO2XPG020RBDCB4.5P14033-7116121533
M20×1.5ISO2XPM020OBDCB4.5P12524-6416121533
M22×2.5ISO2XPG022RBDCB4.5P14033-711814.51733
M24×3ISO2XPG024SBDCB4.5P16037-821814.51733