Tapered Countersink Bit #8

Engineered for precision and durability, the Irwin Tapered Countersink Bit #8 delivers fast, clean pilot holes and countersinks in wood and other soft materials. Its high-speed steel construction and tapered design with widened flutes clear chips quickly, while the adjustable four-cutter counterbore ensures perfectly smooth results every time. The quick-change 1/4″ hex shank provides secure bit retention in standard and quick-change chucks, making this countersink bit an essential addition to any toolkit.

Key Features

• Tapered drill with widened flutes for rapid, clean pilot-hole drilling
• Adjustable four-cutter counterbore cuts and clears chips for smooth countersinking
• Depth-control stop collar for consistent, repeatable results
• 1/4″ quick-change hex shank reduces slipping in all chuck types
• Made from durable high-speed steel for long service life

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.