• Brief Introduction
T73 anchor bolt is one of the T-thread self-drilling hollow injection anchor bolt, combines drilling, grouting and anchoring together. It ensures the anchoring effect in complex ground conditions. It’s safe, reliable and efficient.This kind of product 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. In order to have optimal result, drill bits can be used differently according to the rock conditions.
Hollow Anchor Bar
1. Casing free in the operation, which is convenient and time-saving.
2. Drilling and grouting can be done simultaneously.
3. The anchor bar with standard full thread can be cut according to your requirement. The cut anchor bar can be connected by couplers.
4.Self drilling anchor bolt has higher bonding stress.
Permanent support for tunneling.In slope stabilization, rock bolts and soil nails can be used to maintain and strengthen soil and rock. Used for Micro pile reinforcement. Micro pile can transmit structural load to foundation, and then limit the deformation of buildings.