The 3/16X3/16 CTSK 6F SC 90° from Field Tool Supply is a high-performance countersink tool designed for precision applications. With a 90-degree angle, it is perfect for creating clean countersinks in various materials. Made from premium steel, this tool offers exceptional durability and wear resistance. The 6-flute design enhances chip removal, making it efficient for high-speed operations. Compatible with standard drill chucks, this countersink is ideal for both professional and DIY projects, meeting rigorous industry standards for quality.