Casting Self Drilling Anchor Bar R38 EY Type Drop Center Bit For
Fills
Features
Rock drill bits can be used under any rock drilling condition, it's
hardly impacted by the model of drill rig and the rock performance.
Cross bit and button bit are mainly used for fissural rock. It is mainly used for diging into mine laneway and blasting holes
in all drilling works for different rock, different alloy could
extend the working life of the drill bits.
The self drilling anchor system provides advantages for all areas
of its applications, where boreholes would require the time
consuming drilling with casing systems in unconsolidated or
cohesive soil.
Features and Advantages
- Welding is firm
- Cost effective
- High bending strength
- High discharge efficiency
- Well drilled
Technical Data
| R38 Drill Bit | EW | EC | ECC | EY | EYY |
 |  |  |  |  |
| | Clay Bit for clay sand, loose ground & fill | Hardened Arching Bit for unconsolidated rock with boulders | TC Arching Bit for soft to medium rock formations | Hardened Drop Centre Bit for fills | TC Drop Center Bit forcompetent ground & strong rock |
| Outside Diameter (mm) / Unit Weight (Kg) |
D76 / 0.73 D90 / 0.83 D100 / 1.00 D110/ 1.15 D115/ 1.20 D130/ 1.83 D150/ 2.80
| D76 / 1.15 D90 / 1.45 D115/ 2.60 | D76 / 1.19 D90 / 1.60 D110 / 2.45 D115/ 2.80 | D76 / 0.85 D90 / 1.06 D115 / 2.30 D130/ 2.75 | D76 / 1.05 D90 / 1.32 D115 / 2.05 |
| Hardness | HRC 43-48 | HRC 43-48 | HRA 87-89 | HRC 50-55 | HRA 87-89 |
| Thread Type | ISO 10208 - R38 / Left or right |
| Type of Steel | EN10083-3/2006 |
Anchor Bar and Accessories
Job sites
SubNumbers
10 Years - The average seniority > 10 years, which is not common in anchor manufacturing industry.
20 Years - 20 years of exporting experience, familiar with different product standards
from different
customers and countries.
26 Years - 26 years of exploration and development, SupAnchor has become the No.1 SDA
bar
manufacturer in Asia.
60 Countries - customers from 60 countries. Our self drilling anchor systems have been used by
customers from 50 countries all over the world, including America,
Chile, Germany,
Australia India, etc.
1,500 Projects - SupAnchor’s products have been widely used in over 1500 massive projects.
Quality System
QC Procedure
SupAnchor 
has its own quality tracking systems. Every batch of anchor bar has
its unique batch number, which can be tracked from raw materials till installation.
Being the No.1 exporter of SDA bars in Asia, quality control has been always
SupAnchor’s biggest concern. Our quality testing equipment number ranks first on the
list in anchor manufacturing industry
in Asia. It is SupAnchor’s mission to support your construction
with products of high quality.
Quality Inspection Rate
| Mechanical strength test ratio | >= | 3% |
| Dimensions test ratio | = | 100% |
| Surface inspection ratio | = | 100% |
