Solid Carbide Slotting Keyseat Cutters by AB Tools, Inc, will be manufactured to your decimal of .530 to 2.0 diameters in 3-6 working days. The number of flutes is your choice based on feasibility. We suggest coarse for non-ferrous, medium for titanium/stainless & maximum for cast iron and tough materials. Proudly made in the USA by AB Tools, Inc.