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T73 Self Drill Anchor

   
  • T73 Self Drill Anchor
Product Details

T73 self drill anchor combines drilling, grouting and anchoring together. It ensures the anchoring effect in complex ground conditions. It’s safe, reliable and efficient. T73 anchor bolt has fully threaded rod sections since continuous thread ensures that rods can be cut and coupled at any point. This kind of product is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, backfill ground.

 

Features

1. Casing free in the operation, which is convenient and time-saving.
2. Drilling and grouting can be done simultaneously.
3. The anchor bar with standard full thread can be cut according to your requirement. The cut anchor bar can be connected by couplers.
4. Self drilling anchor bolt has higher bonding stress.

 

Application

Permanent support for tunneling.In slope stabilization, rock bolts and soil nails can be used to maintain and strengthen soil and rock. Used for Micro pile reinforcement. Micro pile can transmit structural load to foundation, and then limit the deformation of buildings.

 

Specifications
Size Outer Dia.
(mm)
Inner Dia.
(mm)
Ultimate Load
(KN)
Yield Load
(KN)
Thread Weight
(Kg/m)
T73/56 73 56 1035 830 R 10.75
T73/53 73 53 1160 970 R 14.1
T73/45 73 45 1585 1270 R 17.8
T73/35 73 40 1865 1430 R 21.2

 

Anchor Coupler
Size Outer Dia.
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T73/56 (53) 89 225 R 3.72
T73/56 (53) 89 235 R 3.90
T73/45 (35) 95 245 R 5.70

 

Anchor Nut
Size Type Key Size
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T73 Domed Nut 95 70 R 2.22

 

Anchor Plate
Size Type Dimension
(mm)
Thickness
(mm)
Hole Dia.
(mm)
Weight
(Kg)
T73/56 (53) Flat Plate 175*175 34 80 6.85
T73/45 (35) Flat Plate 250*250 40 80 18.00

 

Centralizer
Size Outer Dia.
(mm)
Length
(mm)
Weight
(Kg)
T73 130 65 1.08

 

Drill Bit
Type Size Diameter (mm)
EX T73 ø130, ø175
EXX T73 ø130
ESS-F T73 ø130
Clay Bit T73 ø200

 

Description

T73 self drill anchor is one of the T-thread self-drilling hollow injection anchor bolt, combines drilling, grouting and anchoring together. It ensures the anchoring effect in complex ground conditions. It’s safe, reliable and efficient.This kind of product is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, backfill ground. In order to have optimal result, drill bits can be used differently according to the rock conditions.

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