Spiral Tap (for general use) Thread type U EX-SFT 1/4-28UNF
Ship pack of
Number of Flutes
Angle Length Lk (mm)
Lower Neck Part L1 (mm)
Helix Angle (Degree)
Screw Length Lc (mm)
Angle Width K (mm)
Shank Diameter d (phi mm)
Overall Length L (mm)
High vanadium HSS (high speed steel) HSSE
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3 Customer Reviews
The reviews are automatic translation.
On 2016-03-06 11:32:58
It is also suitable for hand taps that have sufficient abilities to use at low speed with a drill
For pitch adjustment
On 2014-07-04 16:48:05
It worked as expected. I am satisfied. However, it seems that it was more expensive than the price of a nearby home center.
Competition Vehicle Production
On 2012-10-15 10:59:30
Although it is used for screw correction, since it is a spiral tap, it can be corrected easily even if the screw part is rough.
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