HFISP

For Ultra Fast Tapping, Horizontal Use. Low Spiral Fluted Taps for Carbon Steels

Specification

■ Applicable for ultra high speed tapping. Having internal

Coating2Dcoolant hole(center through hole), HFISP is suitable for
carbon steels and alloy steels, blind hole use. Effective in
horizontal tapping use.
Recommended Tapping Speeds depending on Materials

ow carbon steels Medium carbon steels High carbon steels Alloy steels

20〜50 20〜50 20〜30 20〜30 For icon explanation, refer to P.50 TYPE:1 TYPE:2

Segment:1D

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
For Metric Threads
M6×1P4HFISPS6.0M2.5P621927326--31
M8×1.25P4HFISPS8.0N2.5P7022-368--32
M10×1.5P4HFISPS010O2.5P7524-3710--32
M10×1.25P4HFISPS010N2.5P7524-3710--32
M12×1.75P4HFISPS012P2.5P8229-4012--32
M12×1.5P4HFISPS012O2.5P8229-4012--32
M12×1.25P4HFISPS012N2.5P8229-4012--32
M14×1.5P4HFISPS014O2.5P8830-4012--32
M16×1.5P4HFISPS016O2.5P9532-4316--32
M18×1.5P4HFISPS018O2.5P10037-4516--42
M20×1.5P5HFISPT020O2.5P10537-4516--42

Remarks: 1.HFISP do not have square on its shank, please use holders having strong gripping force, such as milling chucks. 2.Rear end of the shank is to tongue specification. If the portion which contacts the rear end has V saucer shape, coolant may leak.