Drilling bits to be used with plenty of cooling water and at low speed (2400 rpm max).
Ideal for small adjustments on the building site.
IMPORTANT ADVICE: while drilling use a round-oscillatory movement and from time to time cool the milling cutter into water. The aim is not to overheat the tool and thus preserve the life.
TYPE: Porcelain Gres
LENGHT mm.: 90
THREAD mm.: 40
OUTSIDE DIAMETER mm.: 20
Ideal for: PORCELAIN GRES, CERAMIC
Suitable for: GRANITE, MARBLE