R28 Full Threaded Hollow Self-drilling Anchor For Roof Bolting
R28 Full Threaded Hollow Self-drilling Anchor For Roof Bolting
R28 Full Threaded Hollow Self-drilling Anchor For Roof Bolting Product Description
Self-drilling anchors consist of a hollow anchor rod, anchor nut, anchor plate, anchor connector, drill bit, and stabilizer. Minetech's self-drilling anchors are a highly efficient solution, using a hollow rod and drill bit to drill holes in collapsed soil or loose rock. After the drilling operation, cement grout is injected into the hollow rod and the surrounding cavity, making it a highly effective solution.
R28 Full Threaded Hollow Self-drilling Anchor For Roof Bolting Specification
| Item | Inner diameter(mm) | Ultimate load strength(KN) | Yield strength(KN) | Weight(kg) |
| R25N | 14 | 200 | 150 | 2.3 |
| R32N | 21 | 280 | 230 | 3.1 |
| R32N | 18.5 | 280 | 230 | 3.4 |
| R32S | 16 | 360 | 280 | 3.6 |
| R32SS | 15 | 405 | 350 | 4.1 |
| R38N | 21 | 500 | 400 | 4.8 |
| R38N | 19 | 500 | 400 | 5.5 |
| R51L | 36 | 550 | 450 | 7 |
| R51N | 33 | 550 | 630 | 8.4 |
| T30 | 11 | 320 | 260 | 3.41 |
| T30 | 14 | 275 | 220 | 2.87 |
| T30 | 16 | 245 | 190 | 2.7 |
| T40 | 16 | 660 | 525 | 7 |
| T40 | 20 | 540 | 425 | 5.6 |
| T52 | 26 | 925 | 730 | 9.87 |
| T73 | 53 | 1160 | 970 | 14.1 |
| T73 | 56 | 1035 | 830 | 10.75 |
| T76N | 52 | 1600 | 1200 | 15 |
| T76S | 45 | 1900 | 1500 | 19.7 |
| T103 | 51 | 3660 | 2670 | 44.6 |
| T130 | 60 | 7940 | 5250 | 75 |
R28 Full Threaded Hollow Self-drilling Anchor For Roof Bolting Instructions
Self-drilling anchor systems are primarily used in tunnel and underground projects, slope engineering, and surface and foundation engineering. They can be used for pre-construction support, effectively enhancing the stability of soil and rock masses. Self-drilling anchor systems are primarily used in tunnel and underground projects, slope engineering, and surface and foundation engineering. They can be used for pre-construction support, effectively enhancing the stability of soil and rock masses.
R28 Full Threaded Hollow Self-drilling Anchor For Roof Bolting Company Profile
Hebei Minetech Machinery Technology Co, Ltd. is located in Hebei province of China. Our company is a professional production and export tapered and thread rod, chisel and button bit and other mining drilling tools enterprises. With our rich experience for over a decade and with professional engineers and sales team, we focus on providing complete solutions for mining machinery.
- Methods of Payment: T/T (Telegraphic Transfer) or Western Union or L/C at sight
- Handling time for an order: Within 10 days supplied from stock
- Shipping way:
- Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
- Bulk order: we suggest by air or by sea.
- Quality Control: We have our own experienced QC. There will be strict inspection and testing for every order before shipping out.
- After Services:
- a. Our sales team will response for your question within 24 hours (Holidays Excluded)
- b. Technical Support will be available in any time
- c. Free replacement will provide once the failure confirmed caused by our product quality
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.