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Full threaded steel self drilling rock bolt / Hollow anchor bar / Anchor rods The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Widely used as an efficient anchoring means, in tunnel pre-support, slope, coast, mine, water conservancy projects, building foundation, roadbed reinforcement and geological diseases treatment such as landslip, crack, sink age. It`s irreplaceable in narrow construction environment. Hollow anchor bar is made of seamless tube with high strength. Advantages and Characteristics as below: 1. No casings required, because anchor bars can be drilled into loose soils without needing casings to support the boreholes. 2
Precision steel pipe is a kind of seamless steel pipe, and cold drawn pipe is a kind of precision steel pipe. Precision steel pipe is a kind of high-precision steel pipe material after cold drawing or hot rolling. Due to the advantages of no oxide layer on the inner and outer walls of precision steel pipe, no leakage under high pressure, high precision, high finish, cold bending, flaring, flattening, no deformation and no crack, it is mainly used to produce pneumatic or hydraulic components...
Honed Steel Tubing is made of cold-rolled Precision Steel Pipe finished product or seamless pipe waste pipe, after pickling, phosphating, saponification treatment, and then rolled by cold-drawing machine to become hydraulic Steel Pipe. The precision of the hydraulic cylinder can generally be controlled within the range of 0.02-0.05mm, and the allowable deviation of the inner diameter is 0.03mm. Features 1. Small outer diameter 2. High precision and small batch production 3. The cold drawn...
The Honed Steel Tubing is made of cold-rolled Precision Steel Pipe finished product or Steel Pipe waste pipe, after pickling, phosphating, saponification treatment, and then rolled by cold-drawing machine to become hydraulic steel pipe. The precision of the hydraulic cylinder can generally be controlled within the range of 0.02-0.05mm, and the allowable deviation of the inner diameter is 0.03mm. Hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube,...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.