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Self-drilling anchor system

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  • Self-drilling anchor system
  • Self-drilling anchor system
  • Self-drilling anchor system
  • Self-drilling anchor system

Short Description:

Anchoring is widely used in tunnel for pre-support, slope, coast, mine, water conservancy projects, Building foundation, roadbed reinforcement and geological faulty treatment such as landslip, crack, and sink age, it’s irreplaceable in narrow construction environment. ADVANTAGES  Self Drilling Hollow Bar Anchor System: Comprised of a hollow threaded bar attached with a drill bit that performs drilling. The hollow bar allows air and water to freely pass through the bar during drilling to remov...


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Product Detail

R25 Self Drilling Anchor

R32 Self Drilling Anchor

R38 Self Drilling Anchor

R51 Self Drilling Anchor

T30 Self Drilling Anchor

T40 Self Drilling Anchor

T52 Self Drilling Anchor

T76 Self Drilling Anchor

Product Tags

Anchoring is widely used in tunnel for pre-support, slope, coast, mine, water conservancy projects, Building foundation, roadbed reinforcement and geological faulty treatment such as landslip, crack, and sink age, it’s irreplaceable in narrow construction environment.

ADVANTAGES

 Self Drilling Hollow Bar Anchor System:

Comprised of a hollow threaded bar attached with a drill bit that performs drilling. The hollow bar allows air and water to freely pass through the bar during drilling to remove debris, after drilling at the required depth is completed, grout fills the hollow bar through the pressure for their requirement and completely covers the entire bolt.

Coupler: The coupler can be used to join hollow bars and extend the bolt length, it means the anchor can be elongated with the couplers.

Plate and nut :The plate and nut are installed according to their design requirement.

Drill bit: The drill bit would be selected at the choice of ground condition.

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    • R25 Self Drilling Anchor

     

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    R25-12 25 12 200 150 2.35

     

    Drill Bit
    Type Outer Dia. Weight Application Range (Advice)
    (mm) (inch) (Kg)
    Cast cross bit 42 1.65 0.35 Cast cross bit for sand and gravel
    51 2 0.38
    Steel cross bit 42 1.65 0.3 Hardened cross bit for loose to medium dense conditions with small boulders.
    51 2 0.4
    TC cross bit 42 1.65 0.35 TC cross bit for soft to medium rock formations
    51 2 0.45

     

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    R25-S 36 150 0.66 With sealing structure
    R25-E 36 150 0.66 Without sealing structure

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    R25-S 41 30 0.2 25-30

    Domed Plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    R25-E 150×150 8 30 1.4
    150×150 5 28 0.85
    200×200 8 32 3.2

    R32 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    S-R32/20 32 20 210 160 2.83
    S-R32/17 32 17 280 230 3.5
    S-R32/15 32 15 360 280 4
    E-R32/21 32 21 210 160 2.6
    E-R32/19 32 19 280 230 2.95
    E-R32/17 32 17 360 280 3.5
    E-R32/15 32 15 405 320 4
    C-R32/21 32 21 250 190 2.6
    C-R32/20 32 20 280 230 2.83
    C-R32/17.5 32 17.5 360 280 3.4

     

    Drill Bit
    Type Outer Dia. Weight Application Range (Advice)
    (mm) (Kg)
    Cast cross bit 51 mm 0.99 Cast cross bit for sand and gravel
    Steel cross bit 51 mm 0.88 Hardened steel bit for loose to medium dense ground conditions
    76 mm 2.87
    Steel 3 cutter bit 76 mm 2.65
    TC cross bit 51 mm 0.99 TC insert bit for soft to medium rock formations
    TC 3 cutter bit 76 mm 2.87
    Steel arched bit 51 mm 0.99 Hardened arched bit for optimized geometry for unconsolidated soil with small boulders
    TC arched bit 51 mm 0.99 TC arched bit for optimized geometry for soft to medium rock formations
    Steel button bit 51 mm 1.32 Hardened button bit for unconsolidated rock with boulders
    TC button bit 51 mm 1.43 TC insert button bit for medium rock formation
    EX bit 51 mm 0.88 Hardened cross cut drill bit, suitable for the majority of applications including narrow bands of soft rock.
    EXX bit(alternative) 51 mm 1.1 EXX is the hardest drill bit available, for strong rock, hard seams and concrete footings.

     

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    SSR32 42 145 0.79 With sealing structure
    42 160 0.86
    42 190 1
    SER32 42 145 0.77 Without sealing structure
    42 160 0.84
    42 190 1

     

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    SSR32 46 45 0.37 25-30
    46 55 0.46
    46 60 0.47

     

    Domed Plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    R32-E 150×150 8 35 1.3
    150×150 5 35 0.85
    150×150 6 35 1
    150×150 10 35 1.7
    175×175 8 35 1.9
    200×200 8 35 2.6
    200×200 10 35 3.52
    200×200 12 35 2.94

     

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    E-R32 95×95 25 35 1.6
    120×120 30 35 3.2
    150×150 8 35 1.3
    200×200 10 35 3.06

    R38 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    S-R38/20 38 20 500 400 5.5
    E-R38/22 38 22 500 400 4.95
    E-R38/18 38 18 550 430 6
    C-R38/22.5 38 22.5 500 400 4.8
    C-R38/21 38 21 500 400 5.25

     

    Drill Bit
    Type Outer Dia. Weight Application Range (Advice)
    (mm) (Kg)
    Steel cross bit 76 mm 1.2 Hardened cross bit for loose to medium dense conditions with small boulders
    90 mm 1.4
    Steel arched bit 76 mm 1.2 Hardened arched bit for optimized geometry for unconsolidated soil with small boulders
    TC arched bit 115 mm 2.85 TC arched bit for optimized geometry for soft to medium rock formations
    TC cross bit 76 mm 1.25 TC cross bit for soft to medium rock formations
    90 mm 1.45
    TC 3 cutter bit 76 mm 0.85 TC insert bit for soft to medium rock formations
    Steel button bit 76 mm 1 Hardened button bit for unconsolidated rock with boulders
    TC button bit 76 mm 1 TC insert button bit for medium rock formations

     

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    S-R38 51 180 1.33 With sealing structure
    51 200 1.5
    51 220 1.67
    E-R38 51 180 1.38 Without sealing structure
    51 200 1.55
    51 220 1.68

     

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    S-R38 50 60 1.47 25-30

     

    Domed Plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    E-R38 150×150 8 41 3.6
    200×200 12 41 1.38

     

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    E-R38 140×140 35 41 5
    150×150 25 41 4.1
    200×200 12 41 3.67

    R51 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    S-R51/34 51 34 580 450 6.95
    S-R51/29 51 29 800 630 9
    E-R51/36 51 36 550 430 6.15
    E-R51/35 51 35 580 450 6.4
    E-R51/31 51 31 800 630 8.2
    C-R51/33 51 33 800 630 8

     

    Drill Bit
    Type Outer Dia. Weight Application Range (Advice)
    (mm) (Kg)
    Steel cross bit 85 mm 1.3 Hardened cross bit for loose to medium dense conditions with small boulders
    TC cross bit 115 mm 1.8 TC cross bit for soft to medium rock formations
    Steel button bit 100 mm 1.85 TC insert button bit for unconsolidated rock with boulders
    115 mm 2
    TC button bit 100 mm 1.85 TC insert button bit for medium rock formations

     

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    S-R51 63 200 1.85 With sealing structure
    63 220 2
    E-R51 63 200 1.84 Without sealing structure
    63 220 2.13

     

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    S-R51 75 70 1.53 25-30
    75 80 1.84

     

    Domed Plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    E-R38 200×200 15 55 4.7

     

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    E-R51 150×150 40 56 6.2
    180×180 45 56 10.5
    200×200 30 60 8.72
    250×250 40 60 18.9

    T30 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    S-T30/16 30 16 220 180 2.9
    S-T30/14 30 14 260 220 3.35
    S-T30/11 30 11 320 260 3.6
    E-T30/14 30 14 320 260 3.35

     

    Drill Bit
    Type Outer Dia. Weight Application Range (Advice)
    (mm) (Kg)
    Hardened cross bit 42mm 0.30kg Hardened cross bit for loose to medium dense ground conditions
    46mm 0.32kg
    51mm 0.40kg
    76mm 0.56kg
    TC cross bit 42mm 0.30kg TC cross bit for soft to medium rock formations
    46mm 0.32kg
    51mm 0.40kg
    Hardened button bit 42mm 0.30kg Hardened button bit for unconsolidated rock with boulders
    46mm 0.32kg
    51mm 0.40kg
    TC button bit 46mm 0.45kg TC button bit for medium rock formations
    51mm 0.69kg

     

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    S-T30 38 105 0.39 With sealing structure
    E-T30 38 105 0.45 Without sealing structure

     

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    S-T30 46 35 0.31 25-30

     

    Spherical Collar Nut
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    S-T30 46 35 0.33 290-340

     

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    S-T30 150×150 25 40 4.2
    200×200 8 36 2.43

    T40 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    S-T40/20 40 20 539 430 6.2
    S-T40/16 40 16 660 525 7.2
    E-T40/22 40 22 539 430 5.7
    E-T40/18 40 18 660 525 6.8

     

    Drill Bit
    Type Outer Dia. Weight Application Range (Advice)
    (mm) (Kg)
    Hardened cross bit 76mm 0.90kg Hardened cross bit for loose to medium dense ground conditions
    90mm 1.5kg
    100mm 1.65kg
    115mm 2.6kg
    TC cross bit 76mm 1.2kg TC cross bit for soft to medium rock formations
    90mm 1.75kg
    100mm 2kg
    115mm 2.8kg
    130mm 3.1kg
    150mm 5kg
    Hardened cross bit 76mm 1.15kg Hardened button bit for unconsolidated rock with boulders
    90mm 1.68kg
    100mm 2.15kg
    115mm 2.3kg
    130mm 3.15kg
    TC button bit 76mm 1.78kg TC button bit for medium rock formations
    90mm 1.4kg
    100mm 2kg
    115mm 2.8kg
    130mm 4.92kg

     

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    S-T40 54 140 1.09 With sealing structure
    57 140 1.37
    E-T40 54 140 1.11 Without sealing structure
    57 140 1.39

     

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    S-T40 65 50 0.92 25-30

     

    Spherical Collar Nut
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    S-T40 65 50 0.86 290-340

     

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    S-T40 115×115 20 56 1.6
    125×125 24 56 2.4
    200×200 12 56 3.28
    200×200 30 56 8.5

    T52 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    S-T52/24 52 24 929 730 10.2
    S-T52/26 52 26 929 730 9.7

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    S-T52 70 160 2.31 With sealing structure
    E-T52 70 160 2.46 Without sealing structure

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    S-T52 80 70 1.94 25-30

    Spherical Collar Nut
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    S-T52 80 70 2.3 290-340

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    SST52 145×145 27 65 3.6
    200×200 30 65 8.59
    220×220 35 65 13.1

    T76 Self Drilling Anchor

    Hollow Anchor Bar
    Size Outer Dia. Inner Dia. Ultimate Load Yield Load Weight
    (mm) (mm) (kN) (kN) (Kg/m)
    E-T76/51 76 51 1600 1200 16.5
    E-T76/45 76 45 1900 1500 19.7

    Coupler
    Size Outer Dia. Length Weight Note
    (mm) (mm) (Kg/pc)
    S-T76 95 200 4.26 With sealing structure
    95 220 4.8

    Hex Nut
    Size Key Size Length Weight Hardness
    (mm) (mm) (Kg/pc) (HRC)
    S-T76 100 75 2.4 25-30
    100 80 2.67

    Spherical Collar Nut
    Size Key Size Length Weight
    (mm) (mm) (Kg/pc)
    E-T76 95 70 1.9

    Anchor plate
    Size Dimensions Thickness Hole Dia. Weight
    (mm) (mm) (mm) (Kg/pc)
    S-T76 250×250 60 80 27
    250×250 40 80 18

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