Sinorck gives you the best self drilling rock bolts

Sinorock self drilling rock bolt integrates drilling, installing, grouting and anchoring as a whole. This special feature makes up for the requirement of the ordinary rock bolt so that the full grout body can be ensured.
With the help of this full-thread rock bolt you can drill and grout in the broken rock and loose soil without casing and drill rod. Because of its convenience, reliability, efficiency and cost-saving self...

Sinorck gives you the best self drilling rock bolts

Sinorck gives you the best self drilling rock bolts