CrushGrind Mechanism Silicon Sealer O-Ring
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This silicon sealer ring is used to seal the top part of a CrushGrind mill to the body.
The outside Dimension is 25mm (1in) and the inside hole is 10mm.
A 1/16in parting tool is used to cut a groove until a 13mm diameter is acheived for the ring to be stretched onto.
Imported from England