Item Specifications

• Additional Geometry
  Right Hand Cut Direction (RHC)
• Center Cutting
  No
• Chip Breaker
  No
• Coating Description
  AlTiN (Ti-NAMITE-A)
• 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
• Flute Length (LCF) (Decimal Inch)
  1.5625
• Flute Length (LCF) (Fractional Inch)
  1-9/16
• Flute Length (LCF) (mm)
  39.69
• Helix Angle
  Right Spiral
• Helix Angle (Degree)
  32
• 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 Workpiece Material
  (P) Steel (M) Stainless Steel (H) Hardened Materials
• Reach (xD)
  3xD
• Secondary Workpiece Material
  (K) Cast Iron (N) Non-Ferrous Materials (S) High Temp Alloy
• Self Centering
  Yes
• 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)
  1.4375
• Shank Length (LS) (Fractional Inch)
  1-7/16
• Shank Length (LS) (mm)
  36.51
• Shank Type
  Straight
• Size
  5/16"
• Unit (inch/mm)
  inch
• Usable Length (LU) (Decimal Inch)
  1.1875
• Usable Length (LU) (Fractional Inch)
  1-3/16
• Usable Length (LU) (mm)
  30.16
• Variable Helix
  No
• Weldon Flat
  No