R51 Rock Bolts suppliers
r51 self drilling rock bolt

Sinorock is a professional R51 rock bolts supplier which has the ISO9000 quality certification and CE certification.It's mainly used in the mineral exploration,tunneling and slope stabilization project.As a R51 rock bolts supplier,we adopted the advanced production equipment and strictly quality control system,to ensure that we can provide customers low-cost,and high quality construction materials, so that the equipment used in the construction is safe and efficient.

Specifications

R51 rock bolts

Rock bolt Size Outer Dia. (mm) Inner Dia. (mm) Ultimate Load (KN) Yield Load (KN) Weight (Kg/m) Thread

R51L/1 51 37.5 550 450 5.6 ISO10208

R51L 51 36 550 450 7.0 ISO10208

R51N/L 51 34 800 630 7.5 ISO10208

R51N 51 32 800 630 8.5 ISO10208

Accessories

Anchor Coupling

Coupling Outer Dia. (mm) Length (mm) Weight (Kg) Thread

63 140 1.32 ISO10208

63 170 1.70 ISO10208

63 200 1.90 ISO10208

63 200 2.00 ISO10208

Anchor Nut

Nut Size Type Key Size (mm) Length (mm) Weight (Kg)

R51 Hex Nut 75 70 1.58

R51 Domed Nut 75 70 1.7

Anchor Plate

Plate Size Type Dimensions (mm) Thickness (mm) Hole Dia. (mm) Weight (Kg)

R51L Plat Plate 150*150 40 56 6.2

R51L Plat Plate 200*200 30 60 8.72

R51N Plat Plate 180*180 45 56 10.5

R51N Plat Plate 250*250 40 60 18.90

Centralizer

Centralizer Size Outer Dia. (mm) Length (mm) Weight (Kg)

R51 91 30 0.32

Drill Bits

Drill Bits Type Size Diameter (mm)

EX R51 ø100, ø110, ø115, ø130

EXX R51 ø90, ø100, ø115

ES-F R51 ø100, ø115

ESS-F R51 ø76, ø100, ø110, ø 115, ø130, ø150

Clay Bit R51 ø115, ø130, ø150

ES-D R51 ø115

ESS-D R51 ø115

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