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| Price | $3-$300 |
| MOQ | 1pc |
| Delivery Time | 15-30 days |
| Brand | Minetech |
| Place of Origin | China |
| Certification | ISO9001 |
| Model Number | self-drilling anchor |
| Packaging Details | 50 pieces per Plastic box |
| Payment Terms | Western Union, MoneyGram, T/T |
| Supply Ability | 30000 pieces per month |
| Threaded type | R28 | Usage | mine, tunnel support |
| Place of Origin | China | Machine Type | Drilling Tool |
| Packaging Details | 50 pieces per Plastic box | Port | Tianjin |
| Model Number | self-drilling anchor | Supply Ability | 30000 pieces per month |
| Certification | ISO9001 | Brand Name | Minetech |
| Payment Terms | Western Union, MoneyGram, T/T | Advantage | High-efficiency |
| Price | $3-$300 | Delivery Time | 15-30 days |
| Product name | hollow self-drilling anchor | Length | 3m 6m |
| Minimum Order Quantity | 1pc | Key words | self-drilling anchor |
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.
