Flowdrill Short Flat

Flowdrill UNC #4 - 2.5 Short Flat

Flowdrill Ø 2.5 mm diameter flat finishing for UNC #4-40 cold forming tap
Flowdrill is a solid tungsten carbide tool, that locally displaces material to form increased material thickness. The increased material thickness allows for a stronger fastening connection by tapping, brazing, bearing or welding.

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back to top Product attributes
Name Flowdrill UNC #4 - 2.5 Short Flat
Diameter 2.5 mm
Article code 210250
Thread type American standard coarse
Thread size #4-40
Min. Material Thickness 0.04 inch
Max. Material Thickness 0.08 inch
Finishing Plane surface
Shaft Diameter 6 mm
Work Length 6.4 mm
back to top Materials
Specifications based on 1.5 mm
Steel Stainless steel
Spindle Speed [RPM] 3200 2700
Feed 100 mm/min 100 mm/min
Power 0.8 hp 0.9 hp