1 3/8" core bit lucidatura tamburo 9 + 3/8" full bullnose V10 router bit pietra cemento
Grinder or polisher speed must be lower than 6500 RPM when using with them. (a)1 Piece of 1 3/8" / 35mm Diamond core bit / hole saw for stone travertine concrete hole cutting (with 5/8"-11 Female Thread arbor).