Anchor bolt is a kind of metal fastening material, which is used for the installation of post embedded parts in various curtain wall marble dry hanging construction, equipment installation, highway bridge guardrail installation, building reinforcement reconstruction, etc. The specific classification is as follows:

1. Expansion type anchor bolt: it is used to extrude the hole wall of anchor hole to form anchor bolt. It uses the opposite movement of the vertebral body the expansion plate to promote the expansion of the expansion plate the concrete of the hole wall

It is a component that produces expansive agent pressure produces pull-out force through shear friction to realize anchoring of the connected parts. The product has elevator expansion anchor bolt

2. Torque controlled expansion type anchor bolt: pre drilling with special drilling tool expansion installation by controlling screw torque.

3. Displacement controlled expansion type anchor bolt: pre drilling with special drill bit expansion installation by relative displacement of sleeve cone head.

4. Reaming type anchor bolt: through the re grooving reaming of the concrete at the bottom of the borehole, the mechanical interlock between the concrete bearing surface formed after the reaming the expansion head of the anchor bolt is used to realize the mechanical interlocking

A component anchored by a connector.

5. Pre reaming common anchor bolt: through special drilling tool to pre cut slot ream hole.

6. Special anchor bolt for self reaming: drilling with special drilling tool, anchor bolt with cutter, self cutting slot reaming during installation, reaming installation completed at one time. This kind of anchor bolt is imported abroad

It is a kind of anchor bolt. Generally, the anchor bolt of imported equipment is this kind of anchor bolt. Especially for European equipment, there is an open type metal sleeve at the back of the anchor bolt. After being driven into the foundation, the rib is tightened the opening is enlarged fixed.

7. Back cut anchor bolt: it is a common expansion bolt with sleeve in our market. It can be fixed separately, but needs to be fixed after being squeezed with the fixed object, mainly due to the structural limitation of its opening sleeve.

8. Core striking anchor bolt: the back of the anchor bolt is open, there is a steel nail in the center. After the anchor bolt is embedded in the foundation, only the steel nail needs to be knocked. After the steel nail sinks, the opening will be enlarged fixed.