4.2mm Diameter 3xD Drill, 2 flutes, Carbide, FIREX Coated, Straight Shank, 140° Point, Right Hand Cut

The RT100 U style drill is a 2 flute, high penetration rate carbide drill designed to decrease cycle times and increase part quality. The point and flute geometry where developed to create a short, manageable chip form that can be easily evacuated from the hole. The RT100 U style drill has a self-centering point design that eliminates the need for preliminary spot drill operations. The wide-open flute design and short chip formation ability eliminates the need for peck drilling. The RT100 U drill can operate 3 to 5 times the penetration rate in inches per minute of a general purpose carbide drill thus reducing cycle time and decreasing manufacturing costs.
  • Item Code: 5514-4.20
  • Availability:
  • Mfg Part #: 9055140042000
  • Brand: Guhring

Unit Size: 1

Features Back To Top

    • Optimized cutting edge geometry
    • Special web thinning
    • Special point grind
    • Highest cutting rates
    • Short chips
    • Alignment accurate holes
    • Powerful machines
    • Max. conc. error of clamped tool 0.02 mm
    • Play-free spindles

Tech Specs Back To Top

Brand Guhring
Coating/Finish FIREX
Coolant without
Cutting Direction Right Hand
Decimal Diameter 0.1654"
Drilling Depth 3xD
Flute Length (mm) 24
Length of Cut (mm) 17
Material Solid Carbide
Metric Diameter 4.20 mm
Number of Flutes 2
Overall Length (mm) 66
Point Angle 140°
Series 5514
Shank Diameter (mm) 6
Shank Type Straight

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