4.20mm Bright HSS Jobber Drill Bit 2007-4.20 by Bordo

BordoSKU: 8712151

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Description

BORDO METRIC QUICK SILVER M2 HSS JOBBER DRILLS DIN338 118 ° Split Point (crankshaft point) Split point is self centering and reduces the need for end thrust. Friction at workpiece is reduced. 118 º point angles are ideal for use in materials such as mild steel and cast iron. The 118 º point creates easily controlled chips which are wide and thin. DRILL BIT SURFACE TREATMENT Bright Finish Jobber Drills have no surface treatment and are supplied in the as-ground condition. These tools are suitable for general purpose use, particularly for non-ferrous applications. Specifications:
  • Spindle Speed Stainless Steel RPM: 910
  • Spindle Speed Tool Steel RPM: 1365
  • Spindle Speed Cast Iron RPM: 1820
  • Spindle Speed Malleable Iron RPM: 2048
  • Spindle Speed Med. Carbon Steel RPM: 2275
  • Spindle Speed Free Cutting Steel RPM: 3261
  • Spindle Speed Aluminium/Brass RPM: 4626
  • Spindle Speed Wood/Plastic RPM: 6901
  • Feed per revolution mm: 0.11

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What's Included

4.20mm Bright HSS Jobber Drill Bit 2007-4.20 by Bordo
$5.00

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