Rock bolt is the most used for rock mass stabilization,especially in tunneling,underground mining and ground engineering industry.

R thread Self-drilling Rock bolt is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, backfill ground.

T thread Self-drilling Rock bolt is a kind of stainless hollow anchor.It applies to marine environment and chloride corrosion conditions and bay, pier, pile foundation, breakwater and mooring system.

Large diameter Rock bolt is applied for constructions of shallow buried parts of tunnel portal, fault zones and sand belt in tunnel, collapsed tunnel and urban tunnel.

Expansion shell Rock bolt is applied for temporary and permanent support in relatively good geological conditions, especially for hard rock, horizontal bedding and jointing fissures with mud.

Fiberglass is a new kind of all thread bolt, which is specially suitable for fully-mechanized coal mining and it has high corrosion resistance quality. It can be used in low PH ground conditions.

Friction rock bolt system is a professional tool for the supporting of mine, tunnel, slope, underground culvert roof(mainly for integral rock roof).

In recent years, as the demand of the engineering projects supporting operations and development,rock bolt became the main material requirements.With the common application of rock bolt,rock bolt suppliers and manufacturers also have occurred.Sinorock is one of the world's leading rock bolt suppliers and manufacturers as we know.

The main product that Sinorock provides is rock bolt system.Rock bolt is made of hollow anchor bar, anchor nut, anchor plate, anchor coupler, drill bit, centralizer.Drill Bit composed of wear-resistant alloy steel casting,and seta slurry hole.Drill bit has "one word", "cross" and many other kinds of types.You can choose different types of drill bit according to the situation of rock and soil layer.