T103 Self Drilling Bolt
t103 self drilling rock bolt

T103 self drilling bolt is a type of large diameter rock bolt, which has a larger diameter than other common sizes. It is usually applied to pipe shed and micropile. During the pipe shed construction, it will increase the safety of tunnel portal and improve the stability of tunnel. With the stabilization of micro piles, this self drilling bolt can decrease the influence of settlement action to buildings and reinforce the foundation effectively.

Specifications

T103 Self drilling

bolt

Rock 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

Accessories

Anchor Coupling

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

123 255 7.47 R

133 290 13.4 R

Anchor Nut

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

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

Centralizer

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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