M10 Thread, 3-1/4" Bore Diam, 4.724" OD, Shaft Locking Device MPN:C405E-325

Harvey Tool's counterbore is precision engineered to create perfectly spaced holes for screw applications with a diameter of 1/4. This high-quality tool comes in HSS construction and boasts two different cutting edges with diameters of 7/16 and 3/8 to accommodate various screw sizes. With its sharp cutting edge, it delivers clean and accurate results time after time while the depth of the counterbore can be adjusted using the included spacer. The precision craftsmanship makes this tool ideal for professional use by machinists, woodworkers or any tradesperson requiring a reliable solution from Harvey Tool, a trusted brand since 1948.