Bordo 21.0mm x 1/2 Reduced Shank Drill Bit 2654-21.00

Bordo 21.0mm x 1/2 Reduced Shank Drill Bit 2654-21.00 Image

Bordo 21.0mm x 1/2 Reduced Shank Drill Bit 2654-21.00

$57.80 57.80
  



Bordo 21.0mm x 1/2 Reduced Shank Drill Bit 2654-21.00

Features:
  • 118 ° notched point 118 ° helix reduced shank drill. BRIGHT/BLACK FINISH These drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating. This surface aids chip flow and heat dissipation. The drill is then ground a second time to achieve a bright finish on the shank and cutting edges.
Specifications:
Part No.2654-21.00
Diameter (mm)21
Flute Length (mm)89
Overall Length (mm)152
Spindle Speed Stainless Steel RPM182
Spindle Speed Tool Steel RPM273
Spindle Speed Cast Iron RPM364
Spindle Speed Malleable Iron RPM410
Spindle Speed Med. Carbon Steel RPM455
Spindle Speed Free Cutting Steel RPM652
Spindle Speed Aluminium/Brass RPM925
Spindle Speed Wood/Plastic RPM1380
Feed per revolution mm0.39
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