As well as supplying tri-cone rock bits, Dando can also supply drag bits. Stepped, chevron and custom PCD types are available. (more…)

Dando offer a wide variety of 3-cone rock bits designed for rotary drilling. Bits are available for all types of rotary drilling, from small size bits for mining, geophysical and geotechnical applications available as small as 2 3/8″, to large waterwell drilling rock bits available up to 26″. (more…)