The 0.3185 CHK REAMER ST FL SS HS from Field Tool Supply is a high-speed steel reamer designed for precision machining. This reamer features a 0.3185 inch diameter, making it ideal for creating smooth, accurate holes in various materials. Constructed from stainless steel, it offers excellent corrosion resistance and durability. The straight flute design allows for efficient chip removal, enhancing performance during use. This reamer is perfect for both professional machinists and hobbyists looking for reliable tools for their projects.