T40 Self Drilling Hollow Bar
  • T40 Self Drilling Hollow Bar is anchored in stratum, which can tightly link materials with stratum and then transfer tensile force, which makes reinforcement of stratum and itself. Compared with traditional anchoring methods, Self Drilling Hollow Bar has obvious advantages.

Function:

1. The supporting projects of deep foundation and underground structure, such as, underground parking lot, underground street.
2. The project of slope reinforcement, such as, earth-retaining on slope, retaining wall and landslide control etc.
3. Anti-collapse application, such as, anti-collapse of high tower, viaduct and dam,etc

Features:

1. Applied to the stratum which is difficult to drill holes.
2. High intensity and big bearing capacity.
3. End-anchoring, overlong anchoring and full-long anchoring.

Technical Data:

T40 Self Drilling Hollow Bar
Sample Size Outer Dia.
(mm)
Inner Dia.
(mm)
Ultimate Load
(KN)
Yield Load
(KN)
Thread Weight
(Kg/m)
T40 Self Drilling Hollow Bar T40/20 40 22 539 430 L/R 5.60
T40 Self Drilling Hollow Bar T40/16-2 40 21 660 525 L/R 6.30
T40 Self Drilling Hollow Bar T40/16-1 40 18 660 525 L/R 7.17
T40 Self Drilling Hollow Bar T40/16 40 16 660 525 L/R 7.40
Anchor Coupling
T40 Self Drilling Hollow Bar
Sample Size Outer Dia.
(mm)
Length
(mm)
Thread Weight
(Kg)
Anchor Coupling T40 54 140 L/R 1.18
Anchor Coupling T40 57 140 L/R 1.44
Anchor Nut
T40 Self Drilling Hollow Bar
Sample Size Type Key Size
(mm)
Length
(mm)
Thread
(L/R)
Weight
(Kg)
Anchor Nut T40 Spherical Collar Nut 65 50 L/R 0.86
Anchor Plate
T40 Self Drilling Hollow Bar
Sample Size Type Dimensions
(mm)
Thickness
(mm)
Hole Dia.
(mm)
Weight
(Kg)
Anchor Plate T40 Plat Plate 115*115 20 56 1.6
Anchor Plate T40 Plat Plate 125*125 12 56 3.5
Anchor Plate T40 Plat Plate 200*200 12 56 3.50
Anchor Plate T40 Plat Plate 200*200 15 54 4.58
Anchor Plate T40 Plat Plate 200*200 30 56 8.50
Drill Bit Adapter
T40 Self Drilling Hollow Bar
Sample Hollow Anchor Bar Drill Bit Length
(mm)
Weight
(Kg)
Drill Bit Adapter T40 R51 68 0.35
Centralizer
T40 Self Drilling Hollow Bar
Sample Size Outer Dia.
(mm)
Length
(mm)
Weight
(Kg)
Centralizer T40 88 40 0.37
Drill Bits
T40 Self Drilling Hollow Bar
Sample Type Size Diameter (mm)
Drill Bits EX T40 ø76, ø90, ø115
Drill Bits EXX T40 ø76, ø89, ø90
Drill Bits ES-F T40 ø70, ø76, ø90
Drill Bits ESS-F T40 Ø70, ø90
Drill Bits Clay Bit T40 ø100, ø150

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