Supply of T-Bolt | hollow pipe roof bolt manufacturers JiangTai bolt factory, sincerely look forward to your call, guaranteed to give you the most satisfied with the service and the price of large diameter pipe shed, shed 76, 108 bassoon shed, tunnel Large diameter pipe shed roof structure of large diameter pipe made of high quality carbon steel pipe shed full thread-like roll tied rod, equipped with nuts, arched plate, just plug and alloy drill pulp composition. Threaded bolt body: Length international standard waveform continuous thread, easy to install drill, link sets, tighten the nut; and can be cut and connected longer. Nuts: rock stress can concentrate delivered to the pad. Arch pad: can withstand greater stress surrounding rock. Pulp tampon: make grouting to maintain a certain pressure to sufficiently fill the void surrounding rock. Connected sets: the tube can shed while drilling extended to a depth of design. Alloy drill: a strong penetrating power, so that the tube can pass through all kinds of roof rock. Large-diameter pipe shed range self-drilling large diameter pipe roof as an effective means of anchoring is extensively used in the tunnel advance support radial support, slope reinforcement, reinforcement and subgrade tunnel renovation project, the tunnel subgrade, slope and other projects are widely used, especially in engineering construction at weak broken rock conditions, to prevent tunnel collapse, rock deformation, to ensure the quality and safety of construction workers construction aspects of the construction team has become selected ideal construction method. We are truly a professional manufacturer of hollow bolt, Luoyang River Thai Technology Co., Ltd., a variety of customized types can be processed hollow grouting anchor, self-drilling anchors, self-drilling pipe roof, all threaded pipe roof, grouting small catheters, Steel Pipe, good quality, affordable, we will give you the most satisfied with the price and service.