IRWIN Wood Countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes and ensure a tight fit for screws. They have an adjustable four-cutter counter bore attachment that cuts fast and clears chips quickly for fast, smooth countersinking applications. The counter bore feature attaches flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. IRWIN SPEEDBOR countersink bits fit all standard 1/4" quick-change chucks, including impact drills.
| Material | High Speed Steel (HSS) |
| Finish Type | Uncoated |
| Shank Type | Hex |
| Brand | IRWIN |
| Item dimensions L x W x H | 1.75 x 8.75 x 9.5 inches |
| Tool Flute Type | Parabolic |
| Point Style | Taper Point |
| Surface Recommendation | Wood |
| Number of Flutes | 2 |
| UPC | 798167963725 735090364526 732454604878 042526927911 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00042526927911 |
| Manufacturer | IRWIN |
| Number of Pieces | 19 |
| Part Number | 1890451 |
| Item Weight | 1.1 pounds |
| Product Dimensions | 1.75 x 8.75 x 9.5 inches |
| Item model number | 1890451 |
| Finish | Uncoated |
| Item Package Quantity | 1 |
| Batteries Required? | No |
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