Description
2-1/4" X 1/2" Straight Shank Counterbore for flat-bottoming holes so socket and cap screw heads sit flush. A pilot runs in the existing hole to hold concentricity while the flat-bottomed cutter opens a recess sized to a socket or cap screw head. This size has a 2-1/4" cutting diameter, 9-7/8" overall length and a round shank.
- HSS construction that holds a keen edge at moderate cutting speeds and regrinds easily.
- Uncoated (Bright) finish, leaves the edge bare for free cutting.
- 5 flutes for chip clearance and finish.
- Sold individually.
Specifications
- Diameter: 2-1/4"
- Shank: Round
- Shank Size: 1-1/2"
- Length: 9-7/8"
- Number of Flutes: 5
- Pilot Diameter: 1/2"
- Material: HSS
- Finish: Uncoated (Bright)
- Measurement Type: Inch
- Pack Quantity: 1
Applications
For recessing socket head cap screws flush or below a finished surface in steel, cast iron and aluminum.
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800-222-0324

