21/32" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/4" OAL, (.6562" Diameter), 52221, USA Made

★★★★★ 4.9 112 reviews

$146.85
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Product details

Management number 221026378 Release Date 2026/05/03 List Price $58.74 Model Number 221026378
Category

21/32" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/4" OAL, (.6562" Diameter), 52221, USA Made

  • For counterboring and spotfacing in applications where machine requires a smaller shank
  • 1/64" Corner Radius, Tool Diameter Tolerance: +.001"/-0". Shank Diameter Tolerance: +0"/-.001"
  • Pilot Hole Diameter:3/16, If using a pilot this is the shank diameter of the pilot you should choose
  • Minimum Cut Diameter: .219" Because there is a pilot hole the tool will not cut below this diameter.
  • Set screw to hold a pilot or drill bit in place (if you are using a pilot or drill bit)
Model 52221
Brand Name Super Tool
Unit Count 1.0 Count
Item Weight 0.01 Ounces
Part Number 52221
Manufacturer Super Tool
Material Type Carbide
Item Dimensions 2.75 x 0.65 x 0.65 inches
Minimum Bore Diameter 0.63 Inches

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