self-drilling rock bolt
TYPE O.D. W.T. Ultimate Load Elongation
mm mm KN %
R25S 25 5 200 10
R28 28 5.5 250 10
R32N 32 5 280 10
R32S 32 7.5 360 10
R38 38 7.5 450 10
R51 51 8 600 10
T76 76 10 1200 10
mm mm KN %
R25S 25 5 200 10
R28 28 5.5 250 10
R32N 32 5 280 10
R32S 32 7.5 360 10
R38 38 7.5 450 10
R51 51 8 600 10
T76 76 10 1200 10
Main Products
fastener, seamless steel pipe, activated carbon