Fractional Twist Drill Bits Wholesale delivers drill bits in standard inch-based sizes, ensuring compatibility with North American machinery and hand drills. Constructed from high-speed steel, they cut cleanly through steel, aluminum, and brass while maintaining sharpness over repeated use. Ideal for fabrication shops, maintenance teams, and engineering labs, these bits provide predictable drilling performance across various metals and thicknesses. Bulk availability makes them suitable for continuous production and high-volume operations.