Item Specifications

• Additional Geometry
  Right Hand Cut Direction (RHC)
• Center Cutting
  No
• Chip Breaker
  No
• Coating Description
  Diamond (Di-NAMITE)
• Coolant Option
  External Coolant
• Cutting Diameter (DC) (Decimal Inch)
  0.2510
• Cutting Diameter (DC) (mm)
  6.38
• Cutting Diameter (DC) Tolerance (Decimal Inch)
  +.00000 / -.00050
• Cutting Diameter (DC) Tolerance (mm)
  +.0000 / -.0127
• Flute Length (LCF) (Decimal Inch)
  1.3120
• Flute Length (LCF) (mm)
  33.32
• Helix Angle
  Right Spiral
• Helix Angle (Degree)
  20
• High Performance
  Yes
• Number of Flutes
  2
• Number of Margins
  4
• Overall Length (OAL) (Decimal Inch)
  3.1250
• Overall Length (OAL) (Fractional Inch)
  3-1/8
• Overall Length (OAL) (mm)
  79.38
• Point Angle (Degree)
  145
• Primary Chamfer Angle (a) (Degree)
  145
• Primary Workpiece Material
  (N) Non-Ferrous Materials
• Reach (xD)
  3xD
• Secondary Chamfer Angle (a) (Degree)
  90
• Shank Diameter (DCON) (Decimal Inch)
  0.3125
• Shank Diameter (DCON) (Fractional Inch)
  5/16
• Shank Diameter (DCON) (mm)
  7.94
• Shank Diameter (DCON) Tolerance (ISO)
  h6
• Shank Length (LS) (Decimal Inch)
  1.4380
• Shank Length (LS) (mm)
  36.53
• Shank Type
  Straight
• Size
  0.2510"
• Unit (inch/mm)
  inch
• Usable Length (LU) (Decimal Inch)
  1.0469
• Usable Length (LU) (Fractional Inch)
  1-3/64
• Usable Length (LU) (mm)
  26.59
• Variable Helix
  No
• Weldon Flat
  No