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R10CO 31/64" Cobalt Jobber Drill 135°
Catalog Sheet Catalog Sheet
Technical Specs Technical Specs
Cutting Tools/Drill Bits/Jobber Length Drills

R10CO 31/64" Cobalt Jobber Drill 135°

Brand: Precision Twist Drill, Fractional: 31/64", Decimal: 0.4844", Flute Length: 4-3/8", OAL: 5-7/8", Type: Heavy-Duty, Type J, Point: 135°, Series: R10CO, Material: Cobalt HSS, Finish: Bronze Oxide, Shank: 0.4844"
Item #: PTD 010331
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.

$16.54
In Stock
UOM: EA
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Item Specifications

  • Precision Twist Drill
  • 5998191
  • 0.4844"
  • Jobber Length
  • 4-3/8"
  • 31/64"
  • Cobalt HSS
  • 5-7/8"
  • 135
  • R10CO
  • 0.4844"
  • Bronze Oxide