Hollow bolt is a kind of anchor rod made of steel pipe, which is hollow inside, and can be pressurized and anchored by pump slurry through the hollow part. It is often used for system support in tunnel arches and other moderately good geological surrounding rocks.
Plastic cover bolt is a kind of high-strength prestressed bolt, composed of anchors, bellows and bolts, which are widely used in reinforced concrete structure reinforcement, mine support reinforcement, tunnel reinforcement, bridge engineering, geotechnical engineering, water source well engineering and other fields.
The thread lifting system consists of the permanently cast-in lifting anchor---socket anchors and the temporarily connected lifting equipments--lifting loops,rotary head lifting clutchs and cast-in loops.The main products of reinforcement system are Anteky wire loop boxes which are used to connect precast wallpanels to each other, or to a column. Main Anchors,Nailing plate, lifting devices and wire loop box.