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- 2022-10-28How To Use Porcelain Drill Bits ?porcelain drill Bits are drilling holes on the porcelain,ceramic,marbel,millor etc,with water colded,can drill 8holes at least.
It needs be used on a hand electric drill. When drilling, to be positioned before starting the machine. Also needs to be continuously cooled by adding water during drilling.
The size of 6-8mm, with drilling speed 2300-2700/S; for 10-12mm, the speed need 2000-2200/S. The drilling force should be even ,and wear protective equipment to ensure safe production.
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