... 3.In single strand or twin strand m17.8 bird cage anchor Cable bolt : 1.Material:steel2.Fuction:used as ... Diameter:15.24mm 17.8mmGood quality,low price The cable rock Bolt is made of steel strand,and ... is not strong enough ,can prevent the strata to move in the lateral direction.it has better support ... ×1038024 Accessories: Rigging, yield tube, nut, gasket, flat metal washer, plate, connection sleeve.