VH mold stones is made by premium white aluminum oxide and designed for fast EDM scale removal.
This stone works well on all alloy tools and heat treated molds for the rough and middle grinding part with consistent cutting action.
Especially, this stone is not broken well and resist loading, so suitable for removing EDM scale on surface and fast cutting of sharp corner and small detailed-deep groove part of all types of mold and die steel.
This stones filled with special lubricant, so excellent breakdown without scratching or tearing the surface.
Achieves excellent results by hand, nut works well in a profiler or ultrasonic polisher.