Socket Cap Screw: 1-8, 5" Length Under Head, Socket Cap Head, Hex Socket Drive, Alloy Steel, Black Oxide Finish MPN:100C500KCS

This combo drill and countersink is perfect for deburring or enlarging holes after drilling, providing a smooth finish that prevents chipping or cracking during further operations like tapping or assembly. With a #13 size and a 1/4 body diameter, it's suitable for most general-purpose applications while its high-speed steel construction ensures durability and long-lasting performance in various metalworking projects. Its countersink angle is precision ground to provide consistent deburring depth, making it ideal for use with flat head or oval head screws commonly used in automotive repairs, machinery manufacturing, or any other industrial applications.