Product
World's leading self drilling anchor bolt manufacturer.
T Thread Self Drilling Anchor
Introduction:
T thread self drilling rock bolt adopts groove-thread anchor bar, it can bond hollow bar with grouting materials effectively. It can be widely used in different projects, such as: mining, tunneling, hydroelectric station, civil construction and so on.
Feature:
1. It features a hollow bore for flushing, or simultaneous drilling and grouting.
2. Reliable, Efficient and Convenient.
3. Choice of drill bits for different ground conditions.
4. It can be elongated by using couplers.
5. Suitable for anchoring in broken geological condition and narrow space, which has achieved perfect effect.
2. Reliable, Efficient and Convenient.
3. Choice of drill bits for different ground conditions.
4. It can be elongated by using couplers.
5. Suitable for anchoring in broken geological condition and narrow space, which has achieved perfect effect.
Technical data:
- T30
- T40
- T52
- T73
- T76
- T103
- T111
- T127
- T130
- T150
- T200
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SST30/16 | 30 | 16 | 220 | 180 | 2.90 |
| SST30/14 | 30 | 14 | 260 | 220 | 3.35 |
| SST30/11 | 30 | 11 | 320 | 260 | 3.60 |
| SET30/14 | 30 | 14 | 320 | 260 | 3.35 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST30 | 38 | 105 | 0.39 | With sealing structure |
| SET30 | 38 | 105 | 0.45 | Without sealing structure |
Hex Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HRC) |
| SST30 | 46 | 35 | 0.31 | 25-30 |
Spherical Collar Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HBS) |
| SST30 | 46 | 35 | 0.33 | 290-340 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST30 | 150×150 | 25 | 40 | 4.20 |
| 200×200 | 8 | 36 | 2.43 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET30 | 70 | 35 | 0.20 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST30/51 | 51 | 0.35 | |||
| SST30/76 | 76 | 0.80 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST30/51 | 51 | 0.40 | |||
| SST30/76 | 76 | 1.20 | |||
| EXX(Venturi) | |||||
| SST30/63 | 63 | 0.87 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST30/76 | 76 | 0.60 | |||
| SST30/95 | 95 | 0.67 | |||
| ES-F | Gravel, soft rock | ||||
| SST30/51 | 51 | 0.38 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST30/51 | 51 | 0.46 | |||
| EYY | Competent ground, strong rock | ||||
| SST30/76 | 76 | 0.74 | |||
Drill Bit Adapter
| Size | Anchor Bar Thread | Drill Bit Thread | Length (mm) |
Weight (Kg/pc) |
| SST30/T40 | T30 | T40 | 50 | 0.19 |
| SST30/R51 | T30 | R51 | 68 | 0.66 |
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SST40/20 | 40 | 20 | 539 | 430 | 6.20 |
| SST40/16 | 40 | 16 | 660 | 525 | 7.20 |
| SET40/22 | 40 | 22 | 539 | 430 | 5.70 |
| SET40/18 | 40 | 18 | 660 | 525 | 6.80 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST40 | 54 | 140 | 1.09 | With sealing structure |
| 57 | 140 | 1.37 | ||
| SET40 | 54 | 140 | 1.11 | Without sealing structure |
| 57 | 140 | 1.39 |
Hex Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HRC) |
| SST40 | 65 | 50 | 0.92 | 25-30 |
Spherical Collar Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HBS) |
| SST40 | 65 | 50 | 0.86 | 290-340 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST40 | 115×115 | 20 | 56 | 1.60 |
| 125×125 | 24 | 56 | 2.40 | |
| 200×200 | 12 | 56 | 3.28 | |
| 200×200 | 30 | 56 | 8.50 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET40 | 88 | 40 | 0.36 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST40/100 | 100 | 1.36 | |||
| SST40/115 | 115 | 1.88 | |||
| EX(Venturi） | |||||
| SST40/76 | 76 | 1.00 | |||
| SST40/90 | 90 | 1.20 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST40/76 | 76 | 0.88 | |||
| SST40/90 | 90 | 2.16 | |||
| SST40/100 | 100 | 2.22 | |||
| SST40/115 | 115 | 2.65 | |||
| SST40/130 | 130 | 4.42 | |||
| SST40/150 | 150 | 6.60 | |||
| EXX(Venturi) | |||||
| SST40/76 | 76 | 1.30 | |||
| SST40/90 | 90 | 2.02 | |||
| SST40/100 | 100 | 2.30 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST40/90 | 90 | 1.00 | |||
| SST40/100 | 100 | 1.10 | |||
| SST40/110 | 110 | 1.10 | |||
| SST40/115 | 115 | 1.10 | |||
| SST40/150 | 150 | 2.40 | |||
| ES-F | Gravel, soft rock | ||||
| SST40/76 | 76 | 0.71 | |||
| SST40/90 | 90 | 1.16 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST40/64 | 64 | 0.95 | |||
| SST40/76 | 76 | 1.28 | |||
| SST40/90 | 90 | 2.35 | |||
| SST40/100 | 100 | 2.75 | |||
Drill Bit Adapter
| Size | Anchor Bar Thread | Drill Bit Thread | Length (mm) |
Weight (Kg/pc) |
| SST40/R51 | T40 | R51 | 68 | 0.34 |
| SST40/T52 | T40 | T52 | 68 | 0.30 |
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SST52/24 | 52 | 24 | 929 | 730 | 10.20 |
| SET52/26 | 52 | 26 | 929 | 730 | 9.70 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST52 | 70 | 160 | 2.31 | With sealing structure |
| SET52 | 70 | 160 | 2.46 | Without sealing structure |
Hex Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HRC) |
| SST52 | 80 | 70 | 1.94 | 25-30 |
Spherical Collar Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HBS) |
| SST52 | 80 | 70 | 2.30 | 290-340 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST52 | 145×145 | 27 | 65 | 3.60 |
| 200×200 | 30 | 65 | 8.59 | |
| 220×220 | 35 | 65 | 13.10 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET52 | 112 | 35 | 0.39 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST52/115 | 115 | 2.10 | |||
| SST52/130 | 130 | 3.90 | |||
| SST52/150 | 150 | 4.00 | |||
| SST52/175 | 175 | 6.00 | |||
| EX | |||||
| SST52/175 | 175 | 5.80 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST52/90 | 90 | 2.00 | |||
| SST52/100 | 100 | 2.30 | |||
| SST52/115 | 115 | 3.37 | |||
| SST52/130 | 130 | 4.70 | |||
| SST52/150 | 150 | 6.59 | |||
| EXX(Venturi) | |||||
| SST52/100 | 100 | 2.55 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST52/130 | 130 | 2.30 | |||
| SST52/150 | 150 | 2.53 | |||
| SST52/175 | 175 | 2.50 | |||
| SST52/200 | 200 | 3.50 | |||
| ES-F | Gravel, soft rock | ||||
| SST52/115 | 115 | 1.87 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST52/76 | 76 | 1.52 | |||
| SST52/100 | 100 | 2.60 | |||
| SST52/115 | 115 | 3.72 | |||
| SST52/130 | 130 | 4.51 | |||
| SST52/150 | 150 | 6.50 | |||
Drill Bit Adapter
| Size | Anchor Bar Thread | Drill Bit Thread | Length (mm) |
Weight (Kg/pc) |
| SST52/T73 | T52 | T73 | 80 | 1.22 |
| SST52/T76 | T52 | T76 | 65 | 1.07 |
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET73/53 | 73 | 53 | 1160 | 970 | 13.20 |
| SET73/45 | 73 | 45 | 1582 | 1270 | 17.80 |
| SET73/40 | 73 | 40 | 1865 | 1430 | 21.20 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST73 | 89 | 235 | 3.82 | With sealing structure |
| 95 | 245 | 5.70 |
Spherical Collar Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET73 | 95 | 70 | 1.90 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST73 | 175×175 | 34 | 80 | 6.85 |
| 250×250 | 40 | 80 | 18.00 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET73 | 130 | 65 | 1.08 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST73/130 | 130 | 4.00 | |||
| SST73/175 | 175 | 6.80 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST73/130 | 130 | 4.00 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST73/150 | 150 | 4.00 | |||
| SST73/200 | 200 | 5.60 | |||
| SST73/250 | 250 | 6.75 | |||
| SST73/280 | 280 | 7.60 | |||
| SST73/175 | 175 | 5.20 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST73/130 | 130 | 4.70 | |||
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET76/51 | 76 | 51 | 1600 | 1200 | 16.50 |
| SET76/45 | 76 | 45 | 1900 | 1500 | 19.70 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST76 | 95 | 200 | 4.26 | With sealing structure |
| 95 | 220 | 4.80 |
Hex Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
Hardness (HRC) |
| SST76 | 100 | 75 | 2.40 | 25-30 |
| 100 | 80 | 2.67 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST76 | 250×250 | 60 | 80 | 27.00 |
| 250×250 | 40 | 80 | 18.00 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET76 | 130 | 45 | 0.86 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST76/115 | 115 | 3.08 | |||
| SST76/130 | 130 | 4.00 | |||
| SST76/150 | 150 | 5.90 | |||
| SST76/200 | 200 | 6.60 | |||
| SST76/175 | 175 | 6.88 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST76/130 | 130 | 4.00 | |||
| SST76/150 | 150 | 6.56 | |||
| SST76/175 | 175 | 7.60 | |||
| SST76/200 | 200 | 9.70 | |||
| EXX(Venturi) | |||||
| SST76/140 | 140 | 7.16 | |||
| SST76/150 | 150 | 6.07 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST76/130 | 130 | 3.58 | |||
| SST76/150 | 150 | 3.78 | |||
| SST76/175 | 175 | 4.92 | |||
| SST76/200 | 200 | 5.30 | |||
| SST76/300 | 300 | 7.90 | |||
| ES-F | Gravel, soft rock | ||||
| SST76/130 | 130 | 4.87 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST76/120 | 120 | 4.15 | |||
| SST76/130 | 130 | 4.65 | |||
| SST76/150 | 150 | 6.10 | |||
| SST76/200 | 200 | 15.00 | |||
| EY | Chalk, gravel | ||||
| SST76/130 | 130 | 3.55 | |||
| XX | Sand, clay, fills, gravel | ||||
| SST76/130 | 130 | 3.33 | |||
| SST76/145 | 145 | 3.57 | |||
| SST76/175 | 175 | 5.00 | |||
| SST76/200 | 200 | 4.86 | |||
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET103/78 | 103 | 78 | 2270 | 1800 | 23.50 |
| SET103/51 | 103 | 51 | 3660 | 2670 | 44.60 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST103/78 | 125 | 255 | 8.02 | With sealing structure |
| SST103/51 | 133 | 290 | 13.00 |
Spherical Collar Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET103/78 | 125 | 80 | 3.42 |
| SET103/51 | 125 | 130 | 5.60 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST103/78 | 240×240 | 48 | 110 | 18.00 |
| SST103/78 | 300×300 | 50 | 110 | 32.60 |
| SST103/51 | 285×280 | 67 | 110 | 37.60 |
| SST103/51 | 330×330 | 60 | 110 | 46.50 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET103 | 165 | 80 | 2.94 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST103/175 | 175 | 9.60 | |||
| SST103/200 | 200 | 8.30 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST103/175 | 175 | 11.00 | |||
| SST103/200 | 200 | 12.50 | |||
| SST103/250 | 250 | 20.00 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST103/220 | 220 | 12.10 | |||
| SST103/280 | 280 | 14.20 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST103/175 | 175 | 11.00 | |||
| SST103/200 | 200 | 12.72 | |||
| SST103/220 | 220 | 24.15 | |||
| SST103/230 | 230 | 23.00 | |||
| SST103/300 | 300 | 49.00 | |||
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET111/82 | 111 | 82 | 2640 | 200 | 25.00 |
| SET111/75 | 111 | 75 | 3650 | 2750 | 34.50 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST111 | 140 | 250 | 12.60 | With sealing structure |
Hex Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET111 | 150 | 120 | 10.20 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST111/82 | 300×300 | 80 | 130 | 47.80 |
| SST111/75 | 350×350 | 90 | 130 | 76.80 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET111 | 170 | 50 | 1.80 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST111/220 | 220 | 10.70 | |||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | ||||
| SST111/220 | 220 | 9.00 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST111/170 | 170 | 10.10 | |||
| SST111/200 | 200 | 12.10 | |||
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET127/105 | 127 | 105 | 2400 | 1810 | 30.50 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST127 | 146 | 255 | 8.50 | With sealing structure |
Spherical Collar Nut
| Size | Key Size (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET127 | 140 | 140 | 7.50 |
Flat Plate
| Size | Dimensions (mm) |
Thickness (mm) |
Hole Dia. (mm) |
Weight (Kg/pc) |
| SST127 | 250×250 | 50 | 140 | 18.40 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET127 | 200 | 80 | 3.50 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| EX | Sand, fills, gravel | ||||
| SST127/200 | 200 | 12.50 | |||
| Clay Bit | Clay, soft soil, marls, loose sand or gravel | ||||
| SST127/220 | 220 | 10.30 | |||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST127/200 | 200 | 17.10 | |||
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET130/60 | 130 | 60 | 7940 | 5250 | 78.00 |
Accessories
Coupler
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
Note |
| SST130 | 168 | 300 | 19.50 | With sealing structure |
Spherical Collar Nut
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET130 | 175 | 175 | 17.90 |
Centralizer
| Size | Outer Dia. (mm) |
Length (mm) |
Weight (Kg/pc) |
| SET130 | 220 | 80 | 3.60 |
Drill Bit
| Size | Outer Dia. (mm) |
Weight (Kg/pc) |
Application Range (Advice) | ||
| ESS-F | Weathered rock, stone walls, rubble | ||||
| SST130/220 | 220 | 20.00 | |||
| SST130/300 | 300 | 44.30 | |||
| SST130/230 | 230 | 24.00 | |||
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET150/66 | 150 | 66 | 8400 | 5600 | 108.00 |
| Size | Outer Dia. (mm) |
Inner Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (Kg/m) |
| SET200/93 | 200 | 93 | 14230 | 9500 | 183.00 |
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