Friction Bolt Series

riction rock bolt used in underground mining, providing immediate full-length anchorage for roof and rib stabilization.

Self-drilling friction bolts

A geotechnical engineering support component improves support quality and efficiency by injecting grout into a hole.
Hydraulic expansion rock bolt

Hydraulic expansion rock bolt is a device designed based on the principle of high pressure expansion.
Left-handed threaded steel rock bolt

The left-handed threaded steel rock bolt is a geotechnical support product with a left-handed threaded steel bar as its core.
Right-handed threaded steel rock bolt

The right-handed rebar anchor bolt is a geotechnical support product with a right-handed rebar core.
Split friction bolt

Split rock bolt is a high-strength steel pipe rock bolt with a longitudinal gap, a new type of rock bolt that anchors the surrounding rock along its entire length.
Fiberglass bolts

Fiberglass anchor bolts are a new type of support component made from fiberglass reinforced plastic (FRP).