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Yanggu Yihui Drilling Tools Co.,Ltd.

ADDRESS:No.216 Zhengyang Road, Qingdao, Shandong,China.

MOBILE:+8613006533721

Whatsapp:+8613006533721

E-MAIL:mya@yihuidrilling.com

The SDA bar system
Mar 05, 2019

The SDA bar system offers quick installation because of drilling, borehole stabilization and grouting are combined in one cycle.

Self-Drilling Anchors are a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations.

By drilling a hole in collapsing soil or loose rock, with a sacrificial drill bit and a hollow rod, and after the drilling operation injecting cementitious grout or resin into the hollow rod and surrounding cavity, self-drilling anchors are a top productivity solution.

Self-drilling anchors bolts consists of:

  • Hollow anchor rod(s)

  • Sacrificial drill bit

  • Extension couplings

  • Bearing plate

  • Nut

  • Others


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