Sigma "FAST" diamond drill bit for dry and wet drilling | Ø 30mm | M14

For dry or wet drilling. Material: porcelain gres, ceramic tiles, klinker, granite, marble, limestone, slate, terracotta, masonry, fiberglass. Fixing: M14 thread. Speed: recommended 5000 rpm / max 11000 rpm. Life: about 60 holes on porcelain tiles