Rock bolt is the most basic part of roadway support in contemporary coal mines, it reinforced the surrounding rock of the roadway, make the surrounding rock support itself. The bolt is not only used in mine, but also used in engineering technology.
Application: Since 1912, it is the first time that Seleznev use the bolt to support in the underground roadway. It has been widely used in civil engineering(including mining engineering).
(2) the bearing capacity of anti-leprosy bolt is 40% higher than that of the same specification.
(3) the right hand bolt is simple in operation and low in price. It is widely used in all kinds of roadway support in coal mines, railways and hydropower projects.
Henan Zongxiang Heavy Industry Import & Export Co., Ltd, established by experienced crew on the rail & track field, is a professional & reliable supplier that provides all kinds of rail & track accessories.
As an international trade subsidiary of Zhongxiang Steel Group Inc., was founded in 1997. We have more than two decades experience on this field, covering an area of 33,000 square meters, with about 300 employees, 4 production lines, 2 R & D department, and 5 quality control staff. With advanced technology, powerful processing capacity and excellent service, our products have been well recognized by our customers from domestic & overseas market.
Tel:+86-182 3676 6038
Fax:+86-0371-6053 5957
E-mail:zxminesupport@zxsteelgroup.com
MAXDRILL Self-drilling Rock Bolt Accessories It is very common for underground works to encounter soft surrounding rock, fractured zone and great deformation due to high ground stress. This makes it different for anchor work, especially under the condition that serious hole ...
Model: left-handed anchor Specification: 18*2m, 16*6m (customize according to customer requirement) Material: 16Mn 20 Mnsi Characteristic: 1. The anchorage end and the fastening end do not require machining; 2. The strength is equal all the length, high material utilization; 3. ...
Specification: 18*2m, 16*6m (customize according to customer requirement) Material: 16Mn, 20Mnsi Characteristic: 1. The anchorage end and the fastening end do not require machining; 2. The strength is equal all the length, high material utilization; 3. Strong anchoring force; ...