Audited Supplier
R51N/36
2 Years
CE, ISO 9001:2008, Gsg/ISO/GB
ISO 10208/ISO 1720/Other International Standard
Galvanized
Hot Rolling/Cold Rolling
Carbon Steel
DIN En10083-1
32-111
1m, 1.5m, 2m, 2.5m, 3m, 3.5m, 4m, 4.5m, 5m, 5
Tunneling, Deep Foundation, Rock Support
Left or Right T or R Thread
TERNAL
Packed in Bundles
R25/R32/R38/R51/T30/T40/T53/T76/T103
China
84314320
Product Description
We are the Rock Bolt Manufacturer in China
Main Components:
Self-drilling Anchor System Consists of:
Steel Hollow Bar
Steel Coupler
Steel Plate
Steel Nut
Sacrificical Drill Bit
Steel Hollow Bar
Steel Coupler
Steel Plate
Steel Nut
Sacrificical Drill Bit
Technical Data Sheet
Introduction to SDA
The self-drilling hollow anchor system performs drilling, anchoring and grouting in one step. It allows air and water to freely pass through the bar during drilling to remove debris and then allows the grout to be injected immediately after completely covering the entire bolt.
Features and Advantages
No predrilling
Rock at any depth
Can be installed in all soil types
Casing for lateral loads
Grout and bar are installed simultaneously
Only need rock drill & grout plant
| HOLLOW BAR | ||||||||||||||||||
| Specification | R25N-14 | R32S-15 | R32S-17.5 | R32N-18.5 | R32N-21 | R32L-22 | R38N/19 | R51N | R51L | T76N | T76S | 30/11 | 30/14 | 30/16 | 40/16 | 40/16S | 40/20 | 52/26 |
| da(mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 51 | 51 | 76 | 76 | 30 | 30 | 30 | 40 | 40 | 40 | 52 |
| di(mm) | 14 | 15 | 17.5 | 18.5 | 21 | 22 | 19 | 36 | 38 | 46 | 49 | 11 | 14 | 16 | 18 | 16 | 20 | 26 |
| P(mm) | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | - | - | - | - | - | - | - | - | - |
| Ultimate Load(KN) | 210 | 360 | 360 | 280 | 280 | 210 | 500 | 800 | 500 | 1500 | 1200 | 320 | 260 | 220 | 660 | 660 | 539 | 929 |
| Yield Load(KN) | 150 | 280 | 280 | 230 | 230 | 160 | 400 | 630 | 459 | 1900 | 1600 | 260 | 220 | 280 | 525 | 525 | 430 | 730 |
| Weight(Kg/m) | 2.4 | 4.1 | 3.5 | 3.4 | 2.9 | 2.8 | 5.5 | 7.8 | 6.2 | 19 | 16 | 3.1 | 2.8 | 2.7 | 6.3 | 7.0 | 5.3 | 9.5 |
| Thread Type | ISO 10208 | ISO 1720 | MAI Factory Standard | TITAN Factory Standard | ||||||||||||||
| Type of Steel | EN 10083-1 | |||||||||||||||||
| Thread Type | Left Hand / Right Hand | |||||||||||||||||
| Option of Anti-Corrosion | Hot-dipped Galvanization Standard | |||||||||||||||||
| Painting Coating | ||||||||||||||||||
| Epoxy Coating | ||||||||||||||||||
| Length(m) | 1 m, 1.5m, 2m, 2.5m, 3m, 3.5m, 4m, 4.5m, 5m, 5.5m, 6m | |||||||||||||||||
