The #43 CHK REAMER RHS SS HS from Field Tool Supply is a right-hand spiral reamer crafted from high-speed steel (HSS) for enhanced durability and performance. Designed for precision reaming, this tool is perfect for enlarging holes to exact sizes in stainless steel and other tough materials. With a size of #43, it provides a smooth finish and accurate dimensions, making it essential for machining applications. The reamer's spiral design aids in chip removal, ensuring efficient operation. This tool complies with industry standards, making it a reliable choice for professionals in metalworking and fabrication.