Brownells SOLID CARBIDE END MILL 3/16''(4.7MM) DIA 2''(5CM) OVERALL 20-501-012

The easiest way to get a good, clean cut in hardened steels. Perfect for altering 1911 slides for low mount style rear. (Cut most of slot with mill, finish with dovetail cutter.) Gives extended tool life when used in softer metals. 3/16'' diameter is the right cutter to use when converting Remington M-700 bolts to accept Sako-style extractors.