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T76 Self Drilling Hollow Anchor

   
  • T76 Self Drilling Hollow Anchor
Product Details

T76 self drilling hollow anchor is a precision-machined combination anchor-drill of high-grade steel, specially tempered to insure clean, close-fitting holes and plated to resist rust and corrosion. Eight sharp cutting teeth quickly and accurately drill into masonry materials without fouling. It is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations. It consists of anchor nut, anchor plate, anchor coupler, hollow anchor bar, sacrificial drill bit.

 

Features

1. Easy and similar operation principle for different rock mass and soil conditions.
2. Drilling, anchoring and grouting can be performed in one single operation
3. Minor space requirement for the accomplishment of anchoring
4. Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively.
5. Anchor bars can be cut and lengthened on request, applying to narrow spaces.
6. Optimized machinery and manpower requirements

 

Application

• Road / rail construction and maintenance
• Tunneling & Mining
• Rural environments
• Private residences
• Special foundations
• Avalanche protection structures

 

Specifications
Size Outer Dia.
(mm)
Inner Dia.
(mm)
Ultimate Load
(KN)
Yield Load
(KN)
Thread Weight
(Kg/m)
T76/51 76 48.5 1600 1200 L/R 16.5
T76/45 76 43.5 1900 1500 L/R 19.7

 

Anchor Coupler
Size Outer Dia.
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T76 95 220 L/R 4.70
T76 95 200 L/R 4.20

 

Anchor Nut
Size Type Key Size
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
T76 Hex Nut 100 80 L/R 2.70

 

Anchor Plate
Size Type Dimension
(mm)
Thickness
(mm)
Hole Dia.
(mm)
Weight
(Kg)
T76 Flat Plate 250*250 60 80 26.90
T76 Flat Plate 250*250 40 80 18.00

 

Centralizer
Size Outer Dia.
(mm)
Length
(mm)
Weight
(Kg)
T76 130 45 0.89

 

Drill Bit
Type Size Diameter (mm)
EX T76 ø115, ø130, ø150
EXX T76 ø130, ø150
ES-F T76 ø130
ESS-F T76 ø,130, ø150, ø200
Clay Bit T76 ø200

 

Description

T76 self drilling hollow anchor is one of the T-thread self-drilling hollow injection anchor bolt. It is is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations. It consists of anchor nut, anchor plate, anchor coupler, hollow anchor bar, sacrificial drill bit. It is successfully used for anchoring in poor ground, cohesive and non-cohesive soils, and in case of unstable boreholes.

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