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)
  0.2500
• Cutting Diameter (DC) (Fractional Inch)
  1/4
• Cutting Diameter (DC) (mm)
  6.35
• Cutting Diameter (DC) Tolerance (Decimal Inch)
  +.00024 / +.00083
• Cutting Diameter (DC) Tolerance (mm)
  +.0061 / +.0211
• DIN Standard
  DIN 6537
• Flute Length (LCF) (Decimal Inch)
  2.0870
• Flute Length (LCF) (mm)
  53.01
• Helix Angle
  Right Spiral
• Helix Angle (Degree)
  30
• High Performance
  Yes
• Number of Flutes
  3
• Number of Margins
  3
• Overall Length (OAL) (Decimal Inch)
  3.5830
• Overall Length (OAL) (mm)
  91.01
• Point Angle (Degree)
  124
• Primary Workpiece Material
  (N) Non-Ferrous Materials
• Reach (xD)
  5xD
• 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)
  1.4170
• Shank Length (LS) (mm)
  35.99
• Shank Type
  Straight
• Size
  1/4"
• Unit (inch/mm)
  inch
• Usable Length (LU) (Decimal Inch)
  1.6930
• Usable Length (LU) (mm)
  43.00
• Variable Helix
  No
• Weldon Flat
  No