R25N Hollow Self Drilling Anchor Bolt For Slope / Foundation Pit , Zinc Galvanized Color

Brand Name:MIROC
Certification:ISO
Model Number:Hollow Anchor Bolts
Minimum Order Quantity:100 Meter/Meters
Delivery Time:10-15 working days
Payment Terms:T/T, L/C, D/P, Western Union,Paypel
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Supplier`s last login times: within 1 hours
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Product Details

Mining Prestressed Hollow Grouting Anchor / Hollow Grouting Rock Bolts

It is mainly applied in complex layer formation of broken rock, loose soil, weathering rock and so on which is difficult to make the hole. It is good for supporting and improving surrounding rock, and can achieve good supporting effect in tunnel support, radial support and various types of slope treatment projects.

Specification of Self Drilling Anchor Bolt

Specification of Self Drilling Anchor Bolt
SpecificationR25NR32NR32SR38NR51LR51NT76NT76S
Outside Diameter(mm)2532323851517676
Internal Diameter(mm)1419161936335245
Ultimate Load Capacity20028036050055080016001900
Yield Load Capacity(kN)15023028040045063012001500
Tensile Strength,Rm800800800800800800800800
Yield Strength,Rp0.2650650650650650650650650
Weight(Kg/m)2.33.23.65.56.581619.7
Thread Type(left-hand)ISO10208ISO1720MAIT76Standard
Steel GradeEN10083-1(Alloy Structure Steel)
Compared to carbon steel,alloy structure steel has high anti-corrosion capacity

Anchor Plate
 R25NR32NR32SR38NR51LR51NT76NT76S
Dimention(mm)150x150200x200200x200200x200200x200250x250250x250250x250
Thickness(mm)810121220404040
Hole diameter(mm)3035354160608080
Weight(KG/PC)1.433.73.68.818.51818
Cold deformed with geometry

Anchor Coupling
 R25NR32NR32SR38NR51LR51NT76NT76S
Outside diameter(mm)3542425263639595
Length(mm)120145160or190180180200200200
Weight0.450.70.751.41.71.96.46.4
Machined steel coupling middle stop

Features

1. Drilling, Grouting and anchoring integration, installation quickly and easily.
2. Do not need to install the anchor bolt separately.
3. Grout returning structure at the bottom, optimize the grouting effect, can improve the surrounding rock.
4. For the entire stratum, the installation method is the same.
5. Drill bits in various forms fit for different stratum.
6. Wave thread rod for the whole length, the rod can be cut and connected, and suitable for narrow workplace.



Our services

1.Refund in case of bad quality and late delivery
2.Small order welcomed
3.Free sample is available
4.Payment by T/T, L/C, D/P, Western Union,Paypel
5.Quality assurance contract

China R25N Hollow Self Drilling Anchor Bolt For Slope / Foundation Pit ,  Zinc Galvanized Color supplier

R25N Hollow Self Drilling Anchor Bolt For Slope / Foundation Pit , Zinc Galvanized Color

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