Universal HSS Drill bit (Dia)5.5mm (L)93mm.Suitable for this metal drill bit is constructed from high speed steel which means it's extremely hard durable and incredibly heat resistant.

The Bosch Hard Ceramic Tile bit set has a long service life when drilling in hard tiles you can start drilling accurately with the specially designed centering tip and each bit has a high quality carbide tip manufactured by fine grinding. It means efficient...