General Purpose Stones...Aluminum Oxide

AM-2
AM- 2 is an excellent all around finishing stone. AM-2 is engineered for hand polishing all types of mold and die steels, including SAE 1030 pre-heat treated P-20, H-13, S-7 and T-420. Soft action combined with the perfect breakdown of AM-2 also permits pre-finishing on non-ferrous metals such as aluminum, beryllium, kirksite and high chrome/nickel stainless steel. Some polishers obtain excellent results using water when finishing kirksite.

Die Stone    

The Die Stone is engineered for use on all tools steels. It provides consistent breakdown and fast cutting action. It is slightly harder than AM-2.

AM-K      

AM-K is a white aluminum oxide stone of medium hardness that performs well on all types of mold steel. Generally, AM-K is used dry for rough forming and removal of machine marks. Lubricants are used for finer grits. Some polishers use the 400 and 600 grits for finishing plastic molds and blow molds.

AS-H      

AS-H is similar to AM-K but slightly softer. It conforms quickly to varied pre-shaped surfaces. We suggest always using lubricants with this stone. AS-H stones are more suitable for hand stoning.

CS    

CS is soft stone designed to conform rapidly to a variety of details and is mostly used for hand polishing. It breaks down rapidly. CS stones are used on all tool steels as well as for roughing out some non-ferrous materials.

 

CS-M    

This premium green silicon carbide abrasive polishing stone has superb cutting abilities. A special bond makes CS-M non-loading with a medium soft hardness for excellent polishing. The sharp cutting edges of silicon carbide permit the use of this stone for finishing low tensile strength materials such as aluminum, cast iron, bronze and kirksite. Most polishers prefer to use a lubricant.

CS-HD    

Compared to CS or CS-M, the CS-HD is harder acting and slower to break down. This polishing stone can be used to polish even the hardest die and mold steels. Polishers claim excellent results with CS-HD finishing drawing dies, stamping dies and heat-treated die-cast dies ranging in hardness from 47 to 63Rc. Some mold makers also use CS-HD for removal of EDM.

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