... quality,low price mine bolt with thread(thread bar bolt):Thread bar Bolt is composed of screw thread steel bar , high strength plate , ... )SIZE(mm)BEARING CAPACITY (kn)BORE DIAMETER(mm)All-Thread Rebar Rock BoltDQ-16HRB335≥100120×120×6≥12523DQ-18HRB335≥125120 ... mines, railways, hydropower and other types of roadway projects.(6)Thread profile has higher strength than rod and offers excellent mixing ...