Composed of the self drilling anchor rod, anchor coupling, anchor nut, anchor plate and drill bit. Made of seamless steel pipe with thick wall. Has a high rate of installation since drilling, placing and grouting can be performed in one single operation.
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T150 Self Drilling Soil Nail
One of the large diameter hollow anchor bolt applied for constructions of shallow buried parts of tunnel portal, sand, gravel, silt, and clay, and in soft to medium fractured rock formations.
T130 Self Drilling Soil Nail
It is a new T thread type. At the end of bolt, there is rectangular chamfer, which ensures that the end part is vertical and it can connect with coupling.The construction is simple and it suits for drilling and supporting in different geological conditions and projects.
T127 Self Drilling Soil Nail
It is a new type self drilling anchor bolt, which combines drilling, grouting and anchoring together.It is convenient, reliable and high-efficient. T thread can connect with drilling machine, rock bolting jumbo and grout injector.
T111 Self Drilling Soil Nail
T111 anchor bolt adopts hollow design, which is the passage of high-pressure blast, water and slurry. The overall standard thread has bigger binding area than the smooth ones, then it can improve the anchoring force.
T103 Self Drilling Soil Nail
T103 anchor bolt is a kind of T thread hollow anchor bolt. Its friction force is about 2.4 times as wave thread bolt. It adopts high yielding strength and structural alloy steel, so it can’t be affected by fission.
T76 Self Drilling Soil Nail
T76 soil nail is a safe, economic and high-efficient supporting method. It can tightly link materials with stratum and then transfer tensile force, which makes reinforcement of stratum and itself.
T73 Self Drilling Soil Nail
Self drilling hollow anchor bolt can overcome the problems of difficult to drill holes in loose and broken soil. It can realize stabilization of side slope.
T52 Self Drilling Soil Nail
Self drilling hollow anchor bolt ,as a new construction technology, has been applied in anti-wall and slope projects. It can solve technological problems of lose stratum.
T40 Self Drilling Soil Nail
Bolt is anchored in stratum, it can tightly link materials with stratum and then transfer tensile force, which makes reinforcement of stratum and itself. Compared with traditional anchoring methods, bolt anchoring technology has its own features.