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Quick Details

  • Place of Origin: Guizhou, China (Mainland)
  • Brand Name: SINODRILLS
  • Model Number: GSESDAT30
  • Product name: SDA self drilling rock bolt
  • Other name: T30 rock bolt
  • Material: 40Cr
  • Color: Silver
  • Certification: ISO9001:2008
  • Outer diameter: 30mm
  • Inner diameter: 16mm
  • Ultimater load: 245KN
  • Yield load: 190KN
  • Weight: 2.7kg/meter

Packaging & Delivery

Packaging Details T30 self drilling rock bolt will be packed in bundles .
Delivery Time Within 30 days

40Cr T30 self drilling rock bolt


Product description

 The Self Drilling Anchor system is comprised of a hollow threaded rock bolt 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.



 T thread anchor rock bolt surface with a trapezoidal thread, this design of connection is much stronger and reliable when compared with rope thread, we supply full sizes from T30 to T103.

Thread size: T30, T40, T52, T73, T103, T127, T130.
Thread standard: international standard  ISO1720



Advantages and Characteristics:

1.No casings required, because anchor bars can be drilled into loose soils without needing casings to support the boreholes.

2.Fast drilling and installation, because drilling, installation and grouting are in a single operation.

3.Both rope threads and trapezoid threads are robust and ideal for rotary-percussive drilling and ensuring a high level of bond with the borehole gout.

4.The hollow core not only serves for flushing during drilling, but also for grouting after


5.Continuous threads ensure the bars can be cut and coupled at any point, or extended.

6.Different anchor bits are available for different ground conditions.

7.Duplex anti-crossion prosess ,hot-dip galvanized and epoxy coating system.


T30 self drilling rock bolt :






Ultimate Load(KN)

Yield Load(KN)

















Our company

Guizhou Sinodrills Equipment Co., LTD  is an international market-oriented enterprise specialized in manufacturing, supplying and services of rock drilling tools. Owning two factories and working in close collaboration with other two strategic cooperative partners, we offer a full range of drilling products. Such products are provided as top hammer drilling tools (TH), down the hole drilling tools (DTH), self drilling anchor tools, diamond exploration drilling tools and rotary drilling tools, which are widely used in mining, quarrying, well drilling and construction. All of them are compatible with other world leading brands such as Atlas Copco, Sandvik and Boart Longyear.

Welcom to our company and order this product , 40Cr T30 self drilling rock bolt.

Our Factory

Packaging & Shipping

self drilling rock bolt  will be packed in bundles ,shipped by sea,by air or by land.






For further information please kindly contact:


Tina / Sinodrills Equipment

Tel:0086-851-86800738/86821268 Ext.8004    
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