Drill Diameter: R
Decimal Equivalent:  .3390"
Geometry/Tool Specs:  118° Point
Length Of Cut: 3-7/16" 
Direction of Cut: Right Hand
Overall Length: 4-3/4"
Number of Flutes: 2 
Size Type: Letter Size
Material: High Sped Steel
Finish/Coating: Bright  Finish
Shank Type: Straight Shank
Included : 6 Pieces.
   
Bright Finish - Better chip ejection in low carbon, non-ferrous materials.