Spiral Tap (for mild steel and deep-holes) (MS-DH-SFT) MS-DH-SFT No.4-40UNC
Ship pack of
Angle Length Lk (mm)
Screw Length Lc (mm)
Shank Diameter d (phi mm)
Overall Length L (mm)
Number of Flutes
Angle Width K (mm)
Helix Angle (Degree)
35 to 51
High vanadium HSS (high speed steel) HSSE
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2 Customer Reviews
The reviews are automatic translation.
On 2016-05-31 14:50:20
Especially not possible nor impossible
Used for tapping aluminum alloy.
On 2011-12-22 14:19:11
I chose this product with spiral taps feeling like a boring chisel is boring. Actually, although I used it, the finish was good. I could not compare because I did not use a straight tap, but I am satisfied.