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T127 Self Drilling Anchor Bolt System

   
  • T127 Self Drilling Anchor Bolt System
Product Details

T127 self drilling anchor bolt system is composed of the anchor bar, anchor coupling, anchor nut, anchor plate and drill bit. This system is made of seamless steel pipe with thick wall. In addition, surface thread-shaping technology is taken. T127 self drilling anchor bolt system 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.

 

Features

1. Easy to penetrate various rocks.
2. It can be elongated by using couplers.
3. Unnecessary to be pulled out.
4. The hollow bar can be used as grouting channel.
5. Drilling, grouting and anchoring can be finished at the same time.

 

Application

•Weathered rock
•Gravel layer
•Backfill
•Hard conglomerate
•Gravel layer

 

Specifications
Size Outer Dia.
(mm)
Inner Dia.
(mm)
Ultimate Load
(KN)
Yield Load
(KN)
Thread Weight
(Kg/m)
T127/111 127 111 2400 1810 R 23.5
T127/103 127 103 2320 2030 R 28.9

 

Anchor Coupler
Size Outer Dia.
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T127 139 255 R 5.40

 

Anchor Nut
Size Type Key Size
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T127 Domed Nut 140 140 R 7.60

 

Anchor Plate
Size Type Dimension
(mm)
Thickness
(mm)
Hole Dia.
(mm)
Weight
(Kg)
T127 Flat Plate 250*250 50 140 18.40

 

Centralizer
Size Outer Dia.
(mm)
Length
(mm)
Weight
(Kg)
T127 200 80 3.50

 

Drill Bit
Type Size Diameter (mm)
EX T127 ø200
ESS-F T127 ø200
Clay Bit T127 ø220

 

Description

T127 self drilling anchor bolt system is one of the T-thread self-drilling hollow injection anchor bolt. It is very common for underground works to encounter soft surrounding rock, fractured zone and great deformation due to high ground stress. It is difficult for anchor work, especially under the condition that serious hole collapsing occurs and extra-long bolt is needed, while it is impossible to solve the problem with ordinary bolt. This self-drilling bolt embodies drilling, grouting and anchoring as a whole and can improve the condition of surrounding rock in the course of deformation due to high ground stress.

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