T52 Hollow Bar Anchor System

T52 hollow bar anchor system is easy to install in all directions, also upwards. It is a reliable and convenient anchoring system which is applied in complicated geological conditions for rock support work. It is particularly applied in the following geological conditions, such as weathered rock, gravel layer, backfill, hard conglomerate, etc. T52 hollow bar anchor system is widely used in tunneling, mine, slope stabilization and foundation support.


T52 hollow bar anchor system

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

Outer Dia. (mm) Length (mm) Weight (Kg) Thread
70 160 2.42 L/R

Anchor Nut

Size Type Key Size (mm) Length (mm) Weight (Kg)
T52 Spherical Collar Nut 80 70 2.42

Anchor 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

Size Drill Bit Length (mm) Weight (Kg)
T52 T73 80 1.3


Size Outer Dia. (mm) Length (mm) Weight (Kg)
T52 112 35 0.41

Drill Bits

Type Size Diameter (mm)
EX T52 ø115, ø130,ø150
EXX T52 ø89,ø115,ø150
ES-F T52 ø115
ESS-F T52 ø115
Clay Bit T52 ø130, ø150, ø175


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T52 hollow bar anchor system is successfully used for anchoring in poor ground, cohesive and non-cohesive soils, and unstable boreholes. It is mainly applied in:tunneling and mining,special foundations,avalanche protection structures.

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