YL-OIL Mould Polishing Stone
YL-OIL Mould Polishing Stone is an oil-filled stone widely used for EDM scale removal.
Grade – YL -OIL stones
manufacture – Congress
Gesswein stone equivalent – grade OT
Semi hard Aluminium Oxide grit
Popular with mould tool and die polishers to remove machine lines or EDM sparking.
All stones are prices as 6″ long except all 5/3″ sq. and 1/8″ sq. stones which are 4″ long. All sizes and grits listed here are the ones we hold in stock – if you require any other sizes or grits not shown please contact us.
See all other Congress mould polishing stones here.