- Tapered drill with widened flutes for drilling fast, clean pilot holes
- Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking
- Counterbore attaches to flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole depth
- 1/4-In quick-change shank reduces slipping in standard chucks and is compatible with all 1/4-in quick-change chucks, including impact drills
Irwin Steel 4-Piece Countersink Drill Bit Set
$64.29 Original price was: $64.29.$45.00Current price is: $45.00.
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| Bit Diameter | 7/64", 9/64",3/16" |
|---|---|
| Bit Material | High Speed Steel |
| Length [In] | 8 |
| Minimum Chuck Size | Not Applicable |
| Minimum Chuck Size Required | Not Applicable |
| Package Contents | #6, #8, #10 |
| Shank Diameter (In) | .25 |
| Material | Steel |
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