Chicago-Latrobe®

Chicago-Latrobe® 50817 559 Heavy Duty Screw Machine Drill, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, M42 HSS-Co 8, Straw

9000000073190 MFG #: 50817
$14.07 / EA
Non-Stock Item
Chicago-Latrobe® 50817 559 Heavy Duty Screw Machine Drill, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, M42 HSS-Co 8, Straw
  • Applicable Materials: Alloy Steel, Carbon Steel, Cast Iron and Tool Steel
  • CustomerPartNumber: 101088
  • Cutting Depth: 3XD
  • Cutting Direction: Right Hand
  • Cutting Edge Material: M42 HSS-Co 8
  • Drill Diameter Measurement System: Imperial
  • Drill Size - Decimal Inch: 0.3125 in
  • Drill Size - Fraction: 5/16 in
  • Finish: Straw
  • Flute Length: 1-5/8 in
  • Flute Type: Right Spiral
  • Manufacturer Name: Greenfield Industries
  • Material: M42 HSS-Co 8
  • Number of Flutes: 2
  • Overall Length: 2-13/16 in
  • Point Angle: 135 deg
  • Point Type: Split
  • Series: 559
  • Shank Size: 5/16 in Dia x 1-3/16 in L
  • Shank Type: Straight
  • Type: Heavy Duty
Chicago-Latrobe® Screw Machine Drill, Heavy Duty, Series: 559, Imperial, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 2-13/16 in Overall Length, 3XD Cutting Depth, 2 Flutes, Right Spiral Flute, 1-5/8 in Flute Length, 5/16 in Dia x 1-3/16 in L Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, M42 HSS-Co 8 Cutting Edge, M42 HSS-Co 8, Straw, Applicable Materials: Alloy Steel, Carbon Steel, Cast Iron and Tool Steel
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  • Application
  • Item Features
For drilling tougher materials by hand or machine
  • Heavy duty geometry for drilling tougher materials by hand or machine
  • Shorter flute and overall length provide superior rigidity to minimize deflection when using heavy feed rates
  • P3 split point is self-centering for reduced thrust and easier penetration
  • Straw finish allows for easy identification of cobalt tools