Bordo 4.5mm Cobalt Drill Bit 2011-4.50s

Bordo 4.5mm Cobalt Drill Bit  2011-4.50s Image

Bordo 4.5mm Cobalt Drill Bit 2011-4.50s

$6.95 6.95
  



Bordo 4.5mm Cobalt Drill Bit 2011-4.50s

Features:
  • Cobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
Specifications:
Part No.2011-4.50S
Diameter (mm)4.5
Flute Length (mm)47
Overall Length (mm)80
Spindle Speed Stainless Steel RPM1019
Spindle Speed Tool Steel RPM1529
Spindle Speed Cast Iron RPM2038
Spindle Speed Malleable Iron RPM2293
Spindle Speed Med. Carbon Steel RPM2548
Spindle Speed Free Cutting Steel RPM3652
Spindle Speed Aluminium/Brass RPM5181
Spindle Speed Wood/Plastic RPM7729
Feed per revolution mm0.14
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