Quality Self-drilling hollow grouting anchor bolt factory direct Luoyang Luoyang River Thai Technology Co., Ltd. specializes in the hollow bolt manufacturers produce processing a variety of types of hollow bolt grouting anchor Steel Pipe with pipe shed sincerely look forward to 24 hour hotline 186 535 === === 03793 welcome your calls, ensure quality and cheap. The factory produced using self-drilling anchors good thick-walled seamless material, perfect and fast surface craft and workmanship thread forming accessories, truly self drilling anchor drilling, grouting and anchoring functions of unity. 1) before the bolt has penetrating power drill, in the role of general drilling machines can easily penetrate all types of rocks. 2) Bolt has a continuous thread of international standard waveforms, can be completed as a drill with drill holes drilled into the anchor. 3) As the body without having to pull the drill bolt, which can be used as grouting empty channel, grouting from the inside to the outside. 4) efficient pulp can only plug so that the grouting grouting pressure to maintain a strong, fully fill the gap, fixed broken rock, high strength plate, nuts can be delivered to the deep rock stress evenly on the peripheral wall of the surrounding rock reach surrounding rock and bolt supporting each other purposes. 5) the use of mechanical power cut processing technology, high strength link sets, so self-drilling anchors while drilling has extended features, it can be applied to relatively small construction space, to achieve a specialty of rock bolt reinforcement design ideas . 6) As the anchor of the Trinity features make it in the construction of various types of rock conditions, no casing Wall, pre-grouting and other special techniques can also be formed to ensure the anchor and anchor holes and grouting effect. Self-feeding type anchor scope is mainly used in crushing rock, soft and weak rock, highland stress deformation, weathered rock, sand stone hole collapse folder severe or difficult to support the complex geological anchor hole. In the tunnel advance support, radial support and various high slope remediation project can be a good improvement of surrounding rock support, support to achieve the desired effect. Note 1, the hollow bolt and mechanical properties according to user requirements of production; 2, bolt body length according to customer processing requirements; 3, thread direction according to customer processing requirements; 4, plate, nut, only the pulp plug, anchor head, drill available upon request