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R10CO 1/4" Cobalt Jobber Drill 135°
Catalog Sheet Catalog Sheet
Technical Specs Technical Specs
Cutting Tools/Drill Bits/Jobber Length Drills

R10CO 1/4" Cobalt Jobber Drill 135°

Brand: Precision Twist Drill, Fractional: 1/4", Decimal: 0.2500", Flute Length: 2-3/4", OAL: 4", Type: Heavy-Duty, Type J, Point: 135°, Series: R10CO, Material: Cobalt HSS, Finish: Bronze Oxide, Shank: 0.2500"
Item #: PTD 010316
Precision R10CO Cobalt Jobber Drills
Fractional Sizes

  • Low thrust design self centering Split Point for
  • easier penetration.
  • Cobalt base material with Bronze tempered for wear resistance & lubricity.
  • Enhanced tool life in ferrous materials

Cobalt high speed steel. Heavy-duty. NAS 907, Type J, 135° self-centering split point. Sizes smaller than 3/64" not split point.

$4.48
In Stock
UOM: EA
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Item Specifications

  • Precision Twist Drill
  • 5998143
  • 0.2500"
  • Jobber Length
  • 2-3/4"
  • 1/4"
  • Cobalt HSS
  • 4"
  • 135
  • R10CO
  • 0.2500"
  • Bronze Oxide