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Threaded hollow bar

  • Threaded hollow bar
  • Threaded hollow bar
  • Threaded hollow bar
Model No.︰-
Brand Name︰-
Country of Origin︰China
Unit Price︰-
Minimum Order︰-
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Product Description

Hollow head mounted on the bolt body carbide drill bits, drill pipe to bolt body instead of drilling, drill the end of the connecting rod bolt body and the rock drilling machine connected with the rock drill perforated the design of a bolt depth, the installation only pulp plugs, pad plate, nut was conducted after the grouting. When the slope support or hydropower station construction, can also be used to replace large-diameter bolt hole drill drill pipe, carrying out drilling grouting and more powerful, than the anchor role in a stronger, more efficient and convenient, lower construction costs.

 
Price Terms︰FOB, CFR, CIF
Payment Terms︰T/T, Sight L/C
Packing︰Bundle
Lead Time︰30days
specifications︰TYPE O.D. W.T. Ultimate Load Elongation
mm mm KN %
R25S 25 5 200 10
R28 28 5.5 250 10
R32N 32 5 280 10
R32S 32 7.5 360 10
R38 38 7.5 450 10
R51 51 8 600 10
T76 76 10 1200 10
Advantages︰1. Hollow design, implementation of the grouting tube function, avoid the
traditional grouting tube pulled out of the mortar caused by the loss.
2. Grouting full, and can achieve the pressure grouting to improve project
quality.
3. Center is good, mortar bolt body length can be wrapped, to avoid corrosion,
to supporting the long-term purposes.
4. Easy installation, without on-site processing of threads, it can be easily
installed an plate, nuts.
Export Markets︰Europe, Southeast Asia, South America, Oceania
Min Order︰20ton
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