Item Specifications

• Additional Geometry
  Right Hand Cut Direction (RHC)
• Center Cutting
  No
• Chip Breaker
  No
• Coating Description
  Bright/Uncoated
• Coolant Option
  External Coolant
• Cutting Diameter (DC) (Decimal Inch)
  0.3125
• Cutting Diameter (DC) (Fractional Inch)
  5/16
• Cutting Diameter (DC) (mm)
  7.94
• Cutting Diameter (DC) Tolerance (Decimal Inch)
  +.00024 / +.00083
• Cutting Diameter (DC) Tolerance (mm)
  +.0061 / +.0211
• DIN Standard
  DIN 6537
• Flute Length (LCF) (Decimal Inch)
  1.6142
• Flute Length (LCF) (mm)
  41.00
• Helix Angle
  Right Spiral
• Helix Angle (Degree)
  30
• High Performance
  Yes
• Number of Flutes
  3
• Number of Margins
  3
• Overall Length (OAL) (Decimal Inch)
  3.1100
• Overall Length (OAL) (mm)
  78.99
• Point Angle (Degree)
  124
• Primary Workpiece Material
  (N) Non-Ferrous Materials
• Reach (xD)
  3xD
• Secondary Workpiece Material
  (K) Cast Iron (S) High Temp Alloy
• Self Centering
  Yes
• Shank Diameter (DCON) (Decimal Inch)
  0.3150
• Shank Diameter (DCON) (mm)
  8.00
• Shank Diameter (DCON) Tolerance (ISO)
  h6
• Shank Length (LS) (Decimal Inch)
  1.4173
• Shank Length (LS) (mm)
  36.00
• Shank Type
  Straight
• Size
  5/16"
• Unit (inch/mm)
  inch
• Usable Length (LU) (Decimal Inch)
  1.1417
• Usable Length (LU) (mm)
  29.00
• Variable Helix
  No
• Weldon Flat
  No