JIN JU FENG

16 Years Manufacturing Experience

Self Drilling Anchor Tools

  • R25 R38 R51 self drilling anchor SDA bars for Underground Construction

    R25 R38 R51 self drilling anchor SDA bars for Underground Construction

    The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc jobs, which is widely used in mining, tunneling, railway, metro construction etc projects.

  • Anchor Bit

    Anchor Bit

    Self Drilling Anchor bits are used as a sacrificial consumable for drilling hole, there usually have Tungsten carbide and steel hardened two types, through machining or casting production technology.

  • R38 coupling  coupler R38 for for self drilling anchor rock bolt

    R38 coupling coupler R38 for for self drilling anchor rock bolt

    Anchor coupling or called anchor rod coupling, which is used to extend the anchor string as required length.

    Thread type: R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130 etc.