SELF DRILLING ANCHORS SDA Rock Drill Systems
| Min. Order: | 1 Meter |
|---|---|
| Trade Term: | FOB,CFR,CIF,EXW |
| Payment Terms: | Paypal, L/C, T/T |
| Supply Ability: | 50,000 square meters per year |
| Place of Origin: | Sichuan |
Company Profile
| Location: | Chengdu, Sichuan, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Service |
Product Detail
| Model No.: | R25N - T76S |
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| Means of Transport: | Ocean, Air, Land |
| Brand Name: | ONTON |
| Usage: | Mining, Tunneling and Geotechnical engineering |
| Test Report: | SGS |
| Material: | S460 |
| Certificates: | CE, ISO |
| Anchor systems: | Compatible with Titan CTS or Dywidag systems |
| Thread Pitch: | Standard or Customized |
| Self-Drilling Anchor Type: | Hollow Bar |
| Applications: | Soil Nail, Micropiles, Pre-Stressed Ground Anchors |
| Production Capacity: | 50,000 square meters per year |
| Packing: | Bundles |
| Delivery Date: | In 10 days |
Product Description
SELF DRILLING ANCHOR SDA Systems
High Standard Fully Thread Hollow Bar
SELF DRILLING HOLLOW BAR ANCHORS
The systems have been called as "self-drilling anchoring" or "injection piling" because the hollow fully-threaded bar serves as both the drill string and the grouted anchor, thus the installation is performed in a single operation.
The Drill-Grout systems includes several parts as below:
Hollow Anchor Rods
Hollow Anchor Rods-Rope Thread Bar
The anchor rod features a hollow bore for flushing, or simultaneous drilling and grouting.
It is manufactured in accordance EN10210-1:2006 standard.
(EN10210-1:2006: Technical delivery requirements of Hot finished structural hollow sections of non-alloy and fine grain steels.)
And the Standard thread profile is according to ASTM A615 and ISO 10208. This makes the bond between the rod and grout concrete strong enough.
R-thread Φ32-38 mm according to ISO 10208
The manufacturing process assures the balance of yield strenght and ductility. Prevent hollow bar anchors from sudden fracture while drilling.
Bending Test for hollow bars
All parts of the system can be supplied with surface treatment, with a hot-dip galvanised finish or with a duplex coating.
HEXAGONAL AND SPHERICAL NUTS
Hexagonal nut
The hexagonal and spherical nuts are made from high precision steel (40Cr,HRC 20-25) to meet the stringent demands on anchor specifications and the daily uses of reinforcement work.
All nuts exceed the ultimate strength of the rod.
EXTENSION COUPLINGS
Couplings
The hollow bar is continuously threaded, it can be cut and coupled anwhere along its length.
The coupling enables direct end-to-end energy transmission between each bar, reducing losses and ensuring maximum percussive engergy at the drill bit.
DRILLBITS
Cross/Button Drill Bits
The sacrificial drill bit is an important part of the self drilling anchoring system.
Choose suitable bits according to different soil type.
| X | Forged cross-cut drill bit |
| XX | Two stage cross-cut drill bit |
| EX | Cast hardened cross-cut drill bit |
| EXX | Tungsten carbide cross-cut bit |
| EC | Hardened tri-crescent drill bit |
| ECC | Tungsten carbide tri-crescent bit |
| EY | Hardened tri-crescent drill bit |
| ES | Cast/hardened button drill bit |
| ESS | Tungsten carbide button drill bit |