Inside Ring Burs – 3/8″ Head Diameter Size, shape, and cut are designed for fast deburring, smoothing and finishing of inside ring surfaces. Made of carbide steel for extra long life. Head diameter is 3/8″ (10mm). Head length is 3/4″ (19mm). Shank diameter is 1/8″ (3.2mm). Available in 3 degrees of finish. Sold individually.








