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5/16 HSS Screw Machine Drill R40C

Brand: Precision Twist Drill, Fractional: 5/16", Decimal: 0.3125", Flute Length: 1-5/8", OAL: 2-13/16", Point Angle: 135, Series: R40C, Material: High Speed Steel, Finish: Black Oxide
Item #: PTD 040820
Precision R40C Screw Machine Drills (NAS 907 Type C)
Fractional Sizes - Heavy-Duty

  • 135° Split Point on sizes 1/16" and greater

Low thrust design self centering Split Point for easier penetration. Steam Oxide surface treatment for increased wear resistance and lubricity.

$3.71
In Stock
UOM: EA
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Item Specifications

  • Precision Twist Drill
  • 5999444
  • 0.3125"
  • 1-5/8"
  • 5/16"
  • High Speed Steel
  • 2-13/16"
  • 135
  • R40C
  • 0.3125"
  • Black Oxide
  • Screw Machine