18mm

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

“One way to avoid dimpling and deburring while making holes in tube and pipe is to use annular cutters. Because

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.