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HDASP

For Dry Tapping, Blind Hole Use. Spiral Fluted Taps for Aluminum

Specification

■ Applicable for the tapping under mist or dry condition. Coating Having internal coolant hole(center through type), HDASP is suitable for aluminum castings, blind hole use. For both horizontal and vertical tapping use.

2D

Recommended Tapping Speeds depending on Materials

Wrought aluminumAluminum alloy castingsMagnesium alloy die castingsinc alloy castings
20〜50 20〜50 20〜5020〜50
(m/min)(m/min)(m/min)(m/min)

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
M6×1P4HDASPS6.0M2.5P621927326--31○
M8×1.25P4HDASPS8.0N2.5P7022-368--32○
M10×1.5P4HDASPS010O2.5P7524-3710--32○
M10×1.25P4HDASPS010N2.5P7524-3710--32○
M12×1.75P4HDASPS012P2.5P8229-4012--32○
M12×1.5P4HDASPS012O2.5P8229-4012--32○
M12×1.25P4HDASPS012N2.5P8229-4012--32○
M14×1.5P4HDASPS014O2.5P8830-4012--32○
M16×1.5P4HDASPS016O2.5P9532-4316--32○
M18×1.5P4HDASPS018O2.5P10037-4516--32○
M20×1.5P5HDASPT020O2.5P10537-4516--32○

Remarks: 1.HDASP 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.