External E Style Retaining Ring: 7 mm Groove Dia, 8 to 11 mm Shaft Dia, 1060-1090 Spring Steel, Phosphate Finish MPN:DE-7ST PD B100

RobbJack's chucking reamer is designed for use in industrial or machining applications where creating precise, smooth-cutting threads is essential. Made of robust materials, this versatile reamer offers maximum strength while ensuring longevity and resistance to wear. Its 0.069 diameter and 3/4 flute length make it suitable for deburring or finishing holes in metal parts such as aluminum, brass, steel or cast iron. Its straight shank allows easy insertion into the chuck of lathes, mills or drills, while its high-speed steel construction ensures long-lasting use and cutting efficiency. An ideal choice for professional users who require accurate threading solutions, this product is compatible with various lathe and milling tools in our Reamers product line.