T130 Large Diameter Rock Bolt
t130 self drilling rock bolt system

T130 anchor bolt is one of the large diameter rock bolt applied for constructions of shallow buried parts of tunnel portal, sand, gravel, silt, and clays, and in soft to medium fractured rock formations. The large diameter anchor bolt can reduce surface subsidence, prevent collapse effectively, improve bending strength and control inclination. It has low noise and small vibration, so it is convenient for construction.


T130 Large Diameter Rock Bolt

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

T130 130 60 7940 5250 75.6 R


Anchor Coupling

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

168 300 22.00 R

Anchor Nut

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

R51 Spherical Collar Nut 175 175 19.7

Anchor Plate

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

T130/60 Plat Plate 350*350 100 145 83.00


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

T130 220 80 3.60

Drill Bits

Drill Bits Type Size Diameter (mm)

ESS-F T130 ø220