self drilling anchor bolts

T103 self drilling anchor bolt

T103 self drilling anchor bolt

T103 self drilling anchor bolt is one of our excellent T-thread self-drilling hollow injection anchor bar. All of the anchor system consist of hollow anchor bar, coupling, spherical collar nut, plate, centralizer and drill bit. It is ready for widespread use like tunnel pre-support, slope stabilization, coast, mine, water conservancy projects, building foundation and roadbed reinforcement. In the narrow construction environment, the advantage is obvious.

About Product:


T103 self drilling anchor bolt

self drilling anchor bolt

Size Outer Dia. (mm) Inner Dia. (mm) Ultimate Load (KN) Yield Load (KN) Weight (Kg/m) Thread
T103/78 103 74.5 2270 1800 25.3 R
T103/51 103 51 3660 2670 44.6 R


Anchor Coupling

Anchor Coupling

Outer Dia. (mm) Length (mm) Weight (Kg) Thread
123 255 7.47 R
133 290 13.4 R

Anchor Nut

anchor nut

Size Type Key Size (mm) Length (mm) Weight (Kg)
T103/78 Spherical Collar Nut 125 80 3.42
T103/51 Spherical Collar Nut 125 130 5.60

Anchor Plate

anchor plate

Size Type Dimensions (mm) Thickness (mm) Hole Dia. (mm) Weight (Kg)
T103/78 Plat Plate 240*240 48 110 18.00
T103/78 Plat Plate 285*285 67 110 37.60
T103/51 Plat Plate 300*300 50 110 32.50
T103 Plat Plate 330*330 60 110 46.50


anchor centralizer

Size Outer Dia. (mm) Length (mm) Weight (Kg)
T103 165 80 2.94

Drill Bits

drill bits

Type Size Diameter (mm)
EX T103 ø175, ø280
EXX T103 ø250
ESS-F T103 ø175
Clay Bit T103 ø220, ø280

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