The 0.6850 CHK Reamer by Field Tool Supply is engineered for high-precision reaming in stainless steel and other tough materials. This straight flute reamer is crafted from high-speed steel (HSS), providing exceptional strength and longevity. With a diameter of 0.6850 inches, it is suitable for creating clean, accurate holes in various applications. The tool is designed to fit standard drill chucks, making it versatile for different setups. It adheres to industry standards, ensuring consistent performance and reliability in your machining projects.