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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: TONRY
  • Model Number: M27x5.0mm
  • Type: Anchor Bolt
  • Material: Steel, HRB335,400,500,600
  • Diameter: 25mm
  • Length: Virous
  • Capacity: various
  • Standard: GB
  • Treadbar: Full bar.TR-Bar, Rebar
  • Function: mine tunnel and ground support base

Packaging & Delivery

Packaging Details: as customer's request
Delivery Detail: within 20days

M27 Paddle Bolt




Grooved bolt is made of hot rolled ribbed bar(TR-bar,Rebar). 

One end is stamped into 3 ½ paddle configuration;the other end is rolled thread .

The bolt has been approved in Gold Mines of Eldorado China.







(1)Grooved bolt includes  3 ½ paddle configuration to improve resin mixing and consequently provide high bond strength in larger diameter borehole.

(2)Used for permanent support in mines and tunnels.

(3)With pin nut device, nut could help drive the rod to mix the resin.

(4)Fast and easy installation by mechanized tools

(5)Available in black or hot dip galvanized.





3. Installation Guide 


(1)Evaluate the nature of the ground

(2)Drill a hole as specific requirement

(3)Clean the hole

(4)If use resin

---push the resin into the hole 

---Rotate and push the bolt until the plate reaches the roof

---Screw the nut tightly

(5)If grouting

---Attach a breather tube to the full length, 2m protrudes from hole mouth

---Attach grout tube (1m) to the end of the bolt,with sufficient tail to connect to the pump

---Insert the cable bolt, seal the hole mouth

---Grouting until air bulbs completely disappear

(6)When cured, installation is finished


4. Paddle anchor bolt










5.Production flow chart




6.Certificates and Test report






(1)High strength  for support!


(2)Guarantee quality ----100% test before delivery!


(3)Competitive price!


(4)Fast delivery!


(5)Best service!


Support the mines of the world!




                   Protect the miners in the world! 



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