Irwin Tools Irwin 1877715 0.38 in. High Speed Counter Bit

The Irwin 1877715 High Speed Counter Bit delivers precision countersinking for professional-grade fastening applications. Engineered with high-speed steel construction, this 0.38-inch bit excels at creating clean, uniform countersunk holes in wood, plastic, and composite materials. The advanced flute design ensures efficient chip removal and extended tool life, while the precision-ground tip minimizes material tear-out and surface damage. Ideal for cabinetry, furniture assembly, and finish carpentry where appearance matters, this counter bit produces professional results with minimal rework. A reliable addition to any tradesperson's toolkit for consistent, quality countersinking performance.