For smaller hole sizes, Bulroc produces the ODS "Eccentric" Overburden Drilling System, starting with the ODS 90 to suit 114mm O/D casings. This two-piece system comprises the Shanked Bit Holder and the Eccentric Bit that is secured in the Bit Holder by a double Seeloc Pin.
This is easily removed to allow for Bit re-sharpening or replacement. Bulroc Overburden drilling systems are widely used in a variety of applications from Well Drilling and Mini Piling to Rock Anchoring and Site Investigation.
Innovative Hydraulics are manufacturers of custom designed geotechnical drilling and sampling rigs.
We custom design and build rigs to suit your specific requirements.
With a list of options ...