EH-HT

Straight Fluted Taps for Hard-to-Machine Materials

Specification

■ EH-HT is the hand tap suitable for hard steels of 35- 45HRC, such as forgings and thermal refined steels of high carbon steels and alloy steels, and die steels.

Recommended Tapping Speeds depending on Materials

Tool steel High tensile strength steel IS P IS P

〜5 〜5

(m/min) (m/min) 35~45HRC For icon explanation, refer to P.50

TYPE:1 DIN371 TYPE:2 DIN371

TYPE:3 DIN374 / DIN5156 TYPE:4 DIN376

Segment:1B

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
For Metric Threads
M3×0.5ISO2XTD3.0GBDCBC2.5P56918343.52.7631
M4×0.7ISO2XTD4.0IBDCBC2.5P631321384.53.4631
M5×0.8ISO2XTD5.0KBDCBC2.5P7014253964.9831
M6×1ISO2XTD6.0MBDCBC2.5P8015304564.9831
M8×1.25ISO2XTD8.0NBDCBC2.5P9019354786.2942
M8×1ISO2XTM8.0MBDCBC2.5P9019-4664.9843
M10×1.5ISO2XTD010OBDCBC2.5P1002339521081142
M10×1.25ISO2XTM010NBDCBC2.5P10023-5175.5843
M10×1ISO2XTM010MBDCBC2.5P9019-4675.5843
M12×1.75ISO2XTG012PBDCBC2.5P11026-56971044
M12×1.5ISO2XTM012OBDCBC2.5P10021-51971043
M12×1.25ISO2XTM012NBDCBC2.5P10021-51971043
M14×2ISO2XTG014QBDCBC2.5P11026-561191244
M14×1.5ISO2XTM014OBDCBC2.5P10021-511191243
M16×2ISO2XTG016QBDCBC2.5P11026-561291244
M16×1.5ISO2XTM016OBDCBC2.5P10021-511291243
M18×2.5ISO2XTG018RBDCBC2.5P12533-6414111444
M18×1.5ISO2XTM018OBDCBC2.5P11024-5614111443
M20×2.5ISO2XTG020RBDCBC2.5P14033-7116121544