Item Specifications

• Additional Geometry
  Right Hand Cut Direction (RHC)
• Center Cutting
  No
• Chamfer Angle (a) (Degree)
  45
• 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)
  +.00020 / -.00000
• Cutting Diameter (DC) Tolerance (mm)
  +.0051 / -.0000
• Helix Angle
  Right Spiral
• Helix Angle (Degree)
  0
• High Performance
  No
• Maximum Ream Length (LCF) (Decimal Inch)
  2.2500
• Maximum Ream Length (LCF) (Fractional Inch)
  2-1/4
• Maximum Ream Length (LCF) (mm)
  57.15
• Number of Flutes
  6
• Number of Margins
  1
• Overall Length (OAL) (Decimal Inch)
  3.2500
• Overall Length (OAL) (Fractional Inch)
  3-1/4
• Overall Length (OAL) (mm)
  82.55
• Primary Workpiece Material
  (P) Steel (M) Stainless Steel (K) Cast Iron (N) Non-Ferrous Materials (S) High Temp Alloy
• Secondary Workpiece Material
  (H) Hardened Materials
• Shank Diameter (DCON) (Decimal Inch)
  0.3125
• Shank Diameter (DCON) (Fractional Inch)
  5/16
• Shank Diameter (DCON) (mm)
  7.94
• Shank Diameter (DCON) Tolerance (Decimal Inch)
  +0.0002 / -0.0000
• Shank Diameter (DCON) Tolerance (mm)
  +0.0051 / -0.0000
• Shank Length (LS) (Decimal Inch)
  1.0000
• Shank Length (LS) (Fractional Inch)
  1
• Shank Length (LS) (mm)
  25.40
• Shank Type
  Straight
• Size
  5/16"
• Unit (inch/mm)
  inch
• Variable Helix
  No
• Weldon Flat
  No