Expansion reamer. After the reamer is worn undersize, the end screw an be tightened to enlarge the reamer, which can then be reground to its original size for re-use. With the reputable Whitman And Barnes brand, this reamer is a reliable and durable addition to any workshop or factory, ensuring accurate and efficient results for CNC and metalworking projects. The size and flute count shown in the title should be verified against the product photos Find HANNIBAL CARBIDE TOOL 46518 Chucking Reamers At EGC Supply. Our expert team can help you choose the right reamer for your project and provide support and maintenance to ensure optimal performance. They are particularly useful for reaching deep holes where traditional reamers might have a challenge. Find premium products to last a lifetime! Reamer Okashi | MSC Direct offers quality Hand Expansion Reamers at a great value. 6 days ago · Item description from the seller Brand New Drill America 5/16" High Speed Steel Spiral Flute Hand Expansion Reamer, DWR Series Manufacturer model: DWRRHDES5/16 High Speed Steel Hand Reamer Bright Finish Country of origin: China Description 5/16" HSS Spiral Flute Hand Expansion Reamer. 685" to . The listing shows an adjustable size range of . Engineered for either axial or radial clamping, these expandable reaming tools can adjust while maintaining concentricity and stability during operation -- resulting in accurate and consistent hole geometries.