This IRWIN countersink drills the pilot hole and countersinks the screw head in one pass, sized for 6 wood screws. The 1/4″ quick-change hex shank drops straight into any impact driver or drill with a hex chuck, so you’re not swapping bits mid-job. High speed steel holds an edge through repeated use in wood, and at 3-5/8″ overall length it works in tight spots as well as open framing.
- Screw size: 6
- Drill bit diameter: 9/64″
- Material: High Speed Steel
- Shank: 1/4″ Quick-Change Hex
- Overall length: 3-5/8″
- Sold individually
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