Product Details
NEW STYLE PRESTRESSED (NSP)CABLE BOLT :
NSP Cable Bolt is an innovative product of our company . it is a best substitute of common cable bolt and thead bar resin bolt . NSP cable bolt solve lot of problems for mining enterprise : complicated installation , bad supporting ,
high cost , low output and so on .
ADVANTAGES:
1. HIGH SAFTY CAPACITY : NSP cable bolt is made of 1860Mpa grade steel strand , the tensile strength and anti-shearing capacity is four time than hot-roll rib bar bolt’s.
2. LOW COST AND HIGH EFFICIENCY : No cable grip needed ,and no tension tools used ,fast and easy installation ,save cost and lower labor intensity .
3. Available 1-3 pieces of bird cage in the anchorage end ,that ensure the cable bolt is in the centerline and mix the resin sufficiently .when resin fill in the bird cage ,the anchorage is improved .
4. High prestress , active supporting , flexible and great supporting capacity .
5. Prevent the roof sinking, ground heaving and strata moving .