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Chicago-Latrobe® 46620 550 Heavy Duty Jobber Length Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 135 deg Point, M42 HSS-Co 8%, Uncoated

Selected Chicago_Latrobe_46433.jpg
Chicago_Latrobe_46433.jpg

Features

  • Bronze surface treatment for high lubricity
  • Made with premium grade cobalt HSS to drill harder materials
  • Self centering 135 split-point for reduced thrust requirements and minimized walking
  • Cobalt drills can drill approximately 30% faster than HSS drills

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Description

Chicago-Latrobe® Jobber Length Drill Bit, Heavy Duty, Series: 550, Imperial, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 4-1/2 in Overall Length, 5XD Cutting Depth, 2 Flutes, Right Spiral Flute, 3-3/16 in Flute Length, 5/16 in Dia x 1-5/16 in L Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, M42 HSS-Co 8% Cutting Edge, No Through Coolant, M42 HSS-Co 8%, Uncoated, Applicable Materials: Alloy Steel, Stainless Steel, Titanium and Tool Steel