Sinodrills Self Drilling Rock Bolt and Accessories

Sinodrills Self Drilling Rock Bolt

Self drilling rock bolts sizes: R25, R28, R32N, R32S, R38, R51N, R51L, T76N, T76S;

Thread standard: left thread and comply with

Self drilling rock bolts length: 2000mm, 3000mm, 4000mm, 6000mm;

Sinodrills Self Drilling Accessories

Self drilling rock bolting accessories: bit, plate, coupling sleeves, nuts;