1.Mining rock anchor 2.Widely used in mining supporting, slope and roadbed reinforcement,etc 3.Diameter:25/28/32mm Mining rock anchor , matched with good fittings, is made of seamless steel pipe. It has been widely used in tunnel presupport, slope and roadbed reinforcement and base bit support as anchoring.Product Features:1 With a bit at the anchor head, it is easy to cut through various rocks.2 ...