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)
  0.1590
• Cutting Diameter (DC) (mm)
  4.04
• Cutting Diameter (DC) (Wire)
  #21
• Cutting Diameter (DC) Tolerance (Decimal Inch)
  +.00000 / -.00050
• Cutting Diameter (DC) Tolerance (mm)
  +.0000 / -.0127
• Flute Length (LCF) (Decimal Inch)
  1.0625
• Flute Length (LCF) (Fractional Inch)
  1-1/16
• Flute Length (LCF) (mm)
  26.99
• Helix Angle
  Right Spiral
• Helix Angle (Degree)
  0
• High Performance
  No
• Number of Flutes
  2
• Number of Margins
  2
• Overall Length (OAL) (Decimal Inch)
  2.1250
• Overall Length (OAL) (Fractional Inch)
  2-1/8
• Overall Length (OAL) (mm)
  53.98
• Point Angle (Degree)
  140
• Primary Workpiece Material
  (P) Steel (K) Cast Iron
• Reach (xD)
  3xD
• Secondary Workpiece Material
  (H) Hardened Materials
• Shank Diameter (DCON) (Decimal Inch)
  0.1590
• Shank Diameter (DCON) (mm)
  4.04
• Shank Diameter (DCON) Tolerance (ISO)
  h6
• Shank Length (LS) (Decimal Inch)
  1.1280
• Shank Length (LS) (mm)
  28.65
• Shank Type
  Straight
• Size
  #21
• Unit (inch/mm)
  inch
• Usable Length (LU) (Decimal Inch)
  0.8594
• Usable Length (LU) (Fractional Inch)
  55/64
• Usable Length (LU) (mm)
  21.83
• Variable Helix
  No
• Weldon Flat
  No