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Screw Machine Drill,Coolant Fed,4.2mm close
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This item has been discontinued and is unavailable for purchase. For more information call 1-800-GRAINGER (472-4643).

Screw Machine Drill, Coolant Fed, 4.2mm

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  • Item # 2UAX8
  • Mfr. Model # 9055100042000
  • UNSPSC # 27112801
  • Catalog Page # 3168
  • Catalog Group # G4218
  • Shipping Weight 0.04 lbs.
Country of Origin GermanyCountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemScrew Machine Drill
  • TypeCoolant Fed
  • List Number5510
  • GradeHigh Performance
  • MaterialSolid Carbide
  • FinishFIREX(R)
  • Point TypeSelf-Centering Point
  • Metric Size4.20
  • Decimal Equivalent0.1654
  • Flute Length (mm)24
  • Overall Length (mm)66
  • Shank Dia. (mm)6
  • ApplicationHigh-Penetration Rate For Alloy And Tool Steel, Cast Iron, General Steel, Heat-Treated Steel, Nickel Alloys, Stainless Steel And Titanium
  • Drill Point (Deg.)140
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Compliance and Restrictions


Self-centering design eliminates the need for prespot drilling, evacuates chips quickly, and runs 3 to 5 times faster than conventional drills. FIREX® coating provides a 90+ Rockwell hardness and can run 300°F hotter than TiN coating. Use in CNC machines with a minimum of 100 psi through the spindle coolant pressure.

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