Keep-Nut 5/8"-11 Non-Coring Drill bit w/ Stop Collar for Manual Polisher/Grinder
5/8"-11 non-coring drill bit for drilling holes in natural and engineered stone for the Keep-nut anchoring system. Comes with stop collar to set repeatable depths.
Use on a manual stone polisher with water attachment.
3500-4000 RPM recommended.
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