Roadway Support Split Set Rock Bolt with Plate1.Introduction
split set rock bolttubular friction bolt /friction stabilizer a kind of slotted steel tube with one end tapered, the other end welded to hold the bearing plate. It is especially used together with in hardrock mine, tunnels and slopes, etc. Friction rock bolt is inserted slightly into a hole whose diameter is smaller than the tube. As bolt enters, its diameter is compressed and the slot partially close
2.Usage:.
Main used in mine Mining metallurgy railway, water and electricity engineering for temporary and permanent support
Roadway Support Split Set Rock Bolt with Plate3.Technical Features:
Dia.33mm39mm42mm47mmThinkness2.5mm2.5mm2.5mm3.0mmRing Dia.6mm6.5mm7.0mm7.5mmSlot Size10mm15mm17mm20mmMin.Yield Strength78Kn88Kn95Kn124KnMin.breaking Strength103Kn116Kn123Kn160KnMax.breakingStrength117Kn132Kn140Kn186KnElongation>16%>16%16%16%Anchoring4-7tons5-8tons5-8tons6-12tonsDomed Plate150*150*4mm150*150*4mm150*150*5mm150*150*5mm
Roadway Support Split Set Rock Bolt with Plate