T52 rockbolt
t52 self drilling rock bolt

T52 rock bolt can be installed into a variety of different soils and ground conditions ranging from sand and gravel to inconsistent fill, boulders, rubble and weathered rock, as well as through footings and base slabs. It is particularly applied in the following geological conditions, such as weathered rock, gravel layer, backfill, hard conglomerate, etc. It is widely used in tunneling, mining, slope stabilization and foundation support.


T52 rockbolt

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

T52/26 52 26 959 730 10 L/R


Anchor Coupling

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

70 160 2.42 L/R

Anchor Nut

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

T52 Spherical Collar Nut 80 70 2.42

Anchor Plate

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

T52/26 Plat Plate 145*145 27 64 3.6

T52/26 Plat Plate 220*220 35 65 13.10

T52/26 Plat Plate 200*200 30 65 8.5

Drill Bit Adapter

Drill Bit Adapter Size Drill Bit Length (mm) Weight (Kg)

T52 T73 80 1.3


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

T52 112 35 0.41

Drill Bits

Drill Bits Type Size Diameter (mm)

EX T52 ø115, ø130,ø150

EXX T52 ø89,ø115,ø150

ES-F T52 ø115

ESS-F T52 ø 115

Clay Bit T52

ø130, ø150, ø175