The Walter Indexable Face Mill is a 4" diameter face milling cutter with a 1" arbor hole and an overall length of 4-3/4". It has 6 indexable carbide inserts with the Walter Tiger-Tec ZD geometry that provide high feed rates and smooth milling. The cutter body is made of steel and coated to reduce friction and heat. The inserts have the ISO S06T designation. This durable and versatile face mill is well-suited for facing, slotting and profiling operations on steels, stainless steels, cast iron and non-ferrous metals. It's a quality face mill made in Germany by Walter, a leading manufacturer of precision cutting tools.