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Yanggu Yihui Drilling Tools Co.,Ltd.

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



SDA Anchor Bar Hollow Bar

SDA Anchor Bar Hollow Bar

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....

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Self-drilling Anchor System

Self-drilling hollow bar anchor system fulfills current and increasing demands of the tunneling, mining industry and

ground engineering for safer and faster production. The system provides advantages for all areas of its applications,

where boreholes would require the time consuming drilling with casing systems in unconsolidated or cohesive soil.

The SDA hollow bar is articularly suitable for difficult ground conditions.

An efficient installation since drilling, placing and grouting can be performed in a single operation, saving

both time and money.

Self-drilling system eliminates the requirement for a cased borehole in collapsing soils.

We welcom to your kind inquiry about hollow bars and its accessories, we also can accept your logo or any OEM requirement.



Delivery date should be decided according to production season and order quantity.

We can provide you our best quality with our fast delivery.faq


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