4mm

The general purpose, Industrial Metal drill bits are of a higher quality and are more precise when drilling and are thus suitable for intermediate skilled level users. The bits are harder wearing and are thus the perfect choice for tradesmen or users faced with a medium to heavy duty drilling task.

Range of application: Masonry drill bit type Long Life, milled flutes, for percussion and rotary drilling in concrete, brick and

“Range of application: HSS twist drill: toughness and precision combined with excellent cutting efficiency for drilling alloyed carbon and plain

“Application: For precision drilling in glass, mirrors, ceramic and marble tiles. If the tile is on the wall, use a