Hollow Anchor Bar

In China High Quality Full Threaded Steel Self Drilling Rock Bolt / Hollow Anchor Bar / Anchor Rods​ The bolt body of the hollow bolt adopts a hollow design, and the hole in the rod body is used as the drilling high-pressure air-water channel and grouting channel. Compared with the solid rod body, the hollow rod body design can obtain better rigidity and shear strength. The outer surface of the bolt has a standard large-pitch thread structure. The thread structure is

Full threaded steel self drilling rock bolt / hollow anchor bar / anchor rods price Product Description Currently used to support many different types of anchors, its length anchoring and splitting supports can be divided into the class set of anchor bolts and bolt full-length classes. Only a part of the contact between the anchor device and the finger rod and the hole wall of the anchor bolt. Incline fixation, anchor point and local anchorage, etc. The total length of anchor

Application Building Material Length 1-6m Hollow Anchor Bar Made In China​ The bolt body of the hollow bolt adopts a hollow design, and the hole in the rod body is used as the drilling high-pressure air-water channel and grouting channel. Compared with the solid rod body, the hollow rod body design can obtain better rigidity and shear strength. The outer surface of the bolt has a standard large-pitch thread structure. The thread structure is convenient for cutting and

R38L 1000mm to 8000mm Anchor Tool Self Drilling Anchor Bolt Threraded Bar Anchor Rods Introduction of Best Price Full Threaded Steel Self Drilling Rock Bolt FHJ-20 Anchor Rod Mining Industry Drilling Hollow Anchor Rod * High Strength Mining Self Drilling Hollow Rock Anchor Drill Bolt is widely used in road / rail construction and maintenance zmwm02 * Rock Bolt can be used for Tunneling & Mining * Rural environments * Private residences * Special foundations * Avalanche

High Precision Reinforce Length 1-6m Hollow Anchor Bar Made In China Features 1. It is easy to install and ensure that the prestressing can be applied in time. 2. Active tension, the prestress can reach 50KN, and can achieve appropriate super tension. 3. Using conventional tools, the tensioning operation can be achieved by a single person. 4. High-pressure grouting can be achieved through the hollow rod body to improve the surrounding rock. 5. Full control from production to

T40 Self drilling anchor bolt / Self drilling anchor bar / hollow anchor bar Product Description Hollow grouting bolt is mainly used in advance support, radial support, slope reinforcement, roadbed reinforcement, roadway support and tunnel disease control engineering. With the development of transportation, energy, water conservancy, construction, mining and other infrastructure construction, the anchorage technology which can give full play to the self-stability of rock mass