Payment Terms | L/C, , T/T |
Supply Ability | 10000pcs per month |
Delivery Time | 15 days |
Packaging Details | Wooden Box |
Model Number: | R38N/21 |
Capacity | 210, 280, 360KN |
Application | tunnel roof support |
Yield load | 280 kn |
Material | 40Cr |
Elongation | 10% |
Length | 2m,3m,4m,5m,6m...9m |
Diameter | 38mm |
Brand Name | OED/OEM |
Model Number | R38N/21 |
Certification | ISO 9001 2008 |
Place of Origin | China |
View Detail Information
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Product Specification
Payment Terms | L/C, , T/T | Supply Ability | 10000pcs per month |
Delivery Time | 15 days | Packaging Details | Wooden Box |
Model Number: | R38N/21 | Capacity | 210, 280, 360KN |
Application | tunnel roof support | Yield load | 280 kn |
Material | 40Cr | Elongation | 10% |
Length | 2m,3m,4m,5m,6m...9m | Diameter | 38mm |
Brand Name | OED/OEM | Model Number | R38N/21 |
Certification | ISO 9001 2008 | Place of Origin | China |
High Light | rock anchor bolts ,casing drilling bit |
Hollow Anchor R38N/21 Roof Self Drilling Rock Anchors for Soil Nailing Rock Bolts
Features:
Outer Diameter:38mm
Inner Diameter:21mm
Utimate Load:500KN
Yield load:400KN
Weight:4.8kg/meter
Application Area:
Water well-drilling
Quarry
Foundation piling
Geothermal drilling
Soil nailing
Tunnel support
Jet grouting
Micropile
Mining
Advantages and Characteristics:
1.No casings required, because anchor bars can be drilled into loose soils without needing casings to support the boreholes.
2.Fast drilling and installation, because drilling, installation and grouting are in a single operation.
3.Both rope threads and trapezoid threads are robust and ideal for rotary-percussive drilling and ensuring a high level of bond with the borehole gout.
4.The hollow core not only serves for flushing during drilling, but also for grouting after drilling. R32 mining roof support bar.
5.Continuous threads ensure the bars can be cut and coupled at any point, or extended.
6.Different anchor bits are available for different ground conditions.
7.Duplex anti-crossion prosess ,hot-dip galvanized and epoxy coating system.
Hollow anchor bar technical data:
Size | O.D(mm) | I.D(mm) | Ultimate Load(KN) | Yield Load(KN) | Weight(kg/meter) |
R25N-14 | 25.0 | 14.0 | 200 | 150 | 2.3 |
R32L-22 | 32.0 | 22.0 | 220 | 180 | 2.8 |
R32N-21 | 32.0 | 21.0 | 280 | 230 | 2.9 |
R32N-18.5 | 32.0 | 18.5 | 280 | 230 | 3.4 |
R32S-17.5 | 32.0 | 17.5 | 360 | 280 | 3.5 |
R32S-15 | 32.0 | 15 | 360 | 280 | 4.1 |
R38N-21 | 38.0 | 21.0 | 500 | 400 | 4.8 |
R38N-19 | 38.0 | 19.0 | 500 | 400 | 5.5 |
R51L-38 | 51.0 | 38.0 | 550 | 450 | 6.0 |
R51L-36 | 51.0 | 36.0 | 550 | 450 | 7.6 |
R51N-36 | 51.0 | 36.0 | 800 | 630 | 7.6 |
R51N-33 | 51.0 | 33.0 | 800 | 630 | 8.4 |
T76N-49 | 76.0 | 49.0 | 1600 | 1200 | 16.5 |
T76S-45 | 76.0 | 45.0 | 1900 | 1500 | 19 |
T30-11 | 30.0 | 11.0 | 320 | 260 | 3.3 |
T30-14 | 30.0 | 14.0 | 275 | 220 | 2.9 |
T40-16 | 40.0 | 16.0 | 660 | 525 | 7.1 |
T40-20 | 40.0 | 20.0 | 540 | 425 | 5.6 |
T52-26 | 52.0 | 26.0 | 930 | 730 | 10 |
T73-56 | 73.0 | 56.0 | 1035 | 830 | 10.8 |
T73-53 | 73.0 | 53.0 | 1160 | 970 | 14 |
T73-45 | 73.0 | 45.0 | 1600 | 1270 | 17.5 |
T103-78 | 103.0 | 78.0 | 2270 | 1800 | 25 |
T103-51 | 103.0 | 51.0 | 3660 | 2670 | 44 |
Steel grade | Acc. to EN10083-1 / EN10210-1 | ||||
Thread direction | Left hand / Right hand | ||||
Thread standard | ISO 10208 / ISO1720 / Other international standards |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
8000000-12000000
Employee Number:
>100
Ecer Certification:
Active Member
Mining Tool B.D of O.E.D Machinery Grop, has been dedicated in development and production of mining drill rods and drill bits for many years, which forms six main series products: taper drill tools, thread drill tools, rotary drill tools, blast furnace frill tools, DTH drill tools, and coal mining t... Mining Tool B.D of O.E.D Machinery Grop, has been dedicated in development and production of mining drill rods and drill bits for many years, which forms six main series products: taper drill tools, thread drill tools, rotary drill tools, blast furnace frill tools, DTH drill tools, and coal mining t...
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