T127 Self Drilling Rock Bolt
self drilling rock bolt 127

T127 anchor bolt is one of the T-thread self drilling rock bolt. It is made of seamless steel pipe with thick wall. In addition, surface thread-shaping technology is taken. With a bit at the anchor head, it is easy to cut through various rocks. The self drilling rock bolt eliminates the requirement for a cased borehole. Therefore, it has a high rate of installation since drilling, placing and grouting can be performed in one single operation.


T127 Self drilling rock bolt

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

T127/111 127 111 2400 1810 23.5 R

T127/103 127 103 2320 2030 28.5 R


Anchor Coupling

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

139 255 5.4 R

Anchor Nut

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

T127 Spherical Collar Nut 140 140 7.6

Anchor Plate

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

T127 Plat Plate 250*250 50 140 18.40


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

T127 200 80 3.5

Drill Bits

Drill Bits Type Size Diameter (mm)

EX T127 ø200

ESS-F T127 ø200

Clay Bit T127 ø200