5/16″ x 4-1/2″ Drill Bit – Black Finish

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Item number: CD24420

5/16″(7.94mm) x 4-1/2″(114.3mm) Drill Bit – Black Finish

  • Diameter: 5/16″(7.94mm)
  • Overall Length: 4-1/2″(114.3mm)
  • Black Finish
  • Surface Treated
  • 135? Split Point
  • High Speed Steel
  • Rugged Construction Allows You to Drill More Holes
  • For Easier Drilling of Tough Material Such as Stainless and Hi-Alloy Steel, Special Point and Surface Treatment Increase Wear Resistance of the Drill