Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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Self Drilling Anchor Bolt Self Drilling Grouting Anchor Bolts Bar
1. R thread self drilling anchor bolt is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, backfill ground.
2. Used for permanent support for tunneling.
3. In slope stabilization, rock bolts and soil nails can be used to maintain and strengthen soil and rock.
4. Used for micro pile reinforcement. Micro pile can transmit structural load to foundation, and then limit the deformation of buildings.
5. Drill bits can be used for differently according to the rock conditions.
Features:
1. Casing free in the operation. Anchor bar is also a drill pipe which is convenient and time-saving.
2. Drilling and grouting can be done simultaneously. With good grouting spread radius and reliable anchoring quality, fractures can be filled effectively.
3. The anchor bar with standard full thread can be cut according to your requirement. The cut anchor bars can be connected by couplers. It's suitable in narrow work space.
4. Due to the continuous R-thread and T-thread, self drilling anchor bolt has higher bonding stress.
| R -thread Hollow Anchor Bar | |||||
| Size | Outer Dia. mm | Inner Dia. mm | Ultimate Load KN | Yield Load KN | Weight Kg/m |
| R25N | 25 | 12 | 200 | 150 | 2.3 |
| R32L | 32 | 20 | 210 | 160 | 2.9 |
| R32N/1 | 32 | 20 | 280 | 230 | 2.9 |
| R32N | 32 | 18 | 280 | 230 | 3.4 |
| R32S/1 | 32 | 18 | 360 | 280 | 3.4 |
| R32S | 32 | 14.5 | 360 | 280 | 4.1 |
| R38N/1 | 38 | 22.5 | 500 | 400 | 4.8 |
| R38N/2 | 38 | 21 | 500 | 400 | 5.5 |
| R38N | 38 | 19 | 500 | 400 | 6 |
| R38S/1 | 38 | 18 | 550 | 430 | 6.2 |
| R51L/1 | 51 | 37.5 | 550 | 450 | 5.6 |
| R51L | 51 | 36 | 550 | 450 | 7 |
| R51N/1 | 51 | 34 | 800 | 630 | 7.5 |
| R51N | 51 | 33 | 800 | 630 | 8.5 |
Product Phots
About US
We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 10 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.