1/2 Inch Diameter Endmill, 1/2 Shank, 4 flutes, 2 Length of Cut, Carbide, nano-A Coated, HA/HB Shank, 4-1/2 Overall Length, 40° Helix Angle, 0.0157 chamfer

Designed specifically for tough applications with 36°/38° helix angles, the RF100 VA style variable helix end mill provides longer tool life and maximum efficiency when milling stainless steel. Available as stocked standards with a nano-A™ titanium aluminum nitride coating for added performance.
  • Item Code: 4258-12.70
  • Availability:
  • Mfg Part #: 9042580127000
  • Brand: Guhring

Unit Size: 1

Features Back To Top

    • Suitable for roughing or finishing
    • Up to 60% higher feed rates
    • Up to 4-times longer tool life
    • Vibration-free operation
    • Improved workpiece surface quality

Tech Specs Back To Top

Brand Guhring
Chamfer Decimal 0.0157"
Chamfer Metric 0.40 mm
Coating Nano-A
Coolant without
Decimal Inch (dia) 0.5000
Fractional Diameter 1/2"
Helix Angle 40°
Length of Cut 2
Material Solid Carbide
Metric Diameter 12.70 mm
Number of Flutes 4
Overall Length 4-1/2
Overall Length (decimal) 4.5000
Overall Length (mm) 114.3
Series 4258
Shank Dia 1/2
Shank Dia (decimal) 0.5000
Shank Diameter (mm) 12.7
Shank Type HA/HB

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