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T40 Self Drilling Anchor System

   
  • T40 Self Drilling Anchor System
Product Details

T40 self drilling anchor system is a fully threaded steel bar which features a hollow center for simultaneous drilling and grouting and a rope thread for connection to standard drill tooling. It is manufactured by cold rolling heavy wall steel tubing. It is widely used in the railway system, metro project, etc.

 

Features

1. It is 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

It is a reliable and convenient anchoring system which is applied in complicated geological conditions for rock support work. It is particularly applied in the following geological conditions, such as weathered rock, gravel layer, backfill, hard conglomerate, etc. It is widely used in tunneling, mine, slope stabilization and foundation support.

 

Specifications
Size Outer Dia.
(mm)
Inner Dia.
(mm)
Ultimate Load
(KN)
Yield Load
(KN)
Thread Weight
(Kg/m)
T40/20 40 22 539 430 L/R 5.60
T40/16-2 40 21 660 525 L/R 6.30
T40/16-1 40 18 660 525 L/R 7.17
T40/16 40 16 660 525 L/R 7.50
T40/13 40 13 700 565 L/R 7.80

 

Anchor Coupler
Size Outer Dia.
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T40 54 140 L/R 1.18

 

Anchor Nut
Size Type Key Size
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T40 Domed Nut 65 50 L/R 0.86

 

Anchor Plate
Size Type Dimension
(mm)
Thickness
(mm)
Hole Dia.
(mm)
Weight
(Kg)
T40 Flat Plate 200*200 12 56 3.50
T40 Flat Plate 200*200 15 54 4.58
T40 Flat Plate 200*200 30 56 8.50

 

Drill Bit Adapter
Hollow Anchor Bar Drill Bit Length
(mm)
Weight
(Kg)
T40 R51 68 0.35

 

Centralizer
Size Outer Dia.
(mm)
Length
(mm)
Weight
(Kg)
T40 88 40 0.37

 

Drill Bit
Type Size Diameter (mm)
EX T40 ø76, ø90, ø115
EXX T40 ø76, ø90, ø100
ES-F T40 ø76, ø90
ESS-F T40 ø90, ø100
Clay Bit T40 ø100, ø110, ø150

 

Description

T40 self drilling anchor system is one of the T-thread self-drilling hollow injection anchor bolt. It is widely used in the railway system, metro project, etc. It can be installed in sites with weak rocks, loose soil, weathered layer, sand with stone layer and so difficult to create a hole in complex formation. The unconsolidated ground condition favor the self drilling anchor bolt technique for fast and simple method of installed compared to the traditional method.

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