| Specification | Thread Diameter | Internal Diameter | Effective Cross-Section | Ultimate Load | Yield Load | Weight |
| Unit | mm
in | mm
in | mm2
in2 | KN
Kips | KN
Kips | kg/m
Ib/ft |
| T73/56 | 73
2.87 | 56
2.21 | 1398
2.8 | 1100
247.5 | 780
175.5 | 10.9
7.33 |
| T73/53 | 73
2.87 | 53
2.09 | 1605
3.21 | 1160
261 | 970
218.25 | 12.50
8.40 |
| T73/45 | 73
2.87 | 45
1.77 | 2260
4.52 | 1600
360 | 1200
270 | 17.83
11.98 |
| T73/35 | 73
2.87 | 35
1.38 | 2700
5.40 | 1900
427.5 | 1350
303.75 | 21.15
14.21 |
| Thread | lnternational Standard(Left/Right) | |||||
| Length(m) | 1, 2, 3, 4, 5, 6, 7, 8, 9(Optional) | |||||
| Surface Treatment | Epoxy Coating/Hot-dipped Galvanization |
(Scroll Right or Left)
| Specification | Key Size | Length | Hardness | Unit Weight |
| Unit | mm
in | mm
in | HB
HRC | Kg
lb |
| Hex Nut | 95
3.74 | 70
2.76 | 170-220
25-30 | 2.20
4.85 |
| Domed Nut | 95
3.74 | 80
3.15 | 170-220
25-30 | 2.64
5.82 |
| Thread | lnternational Standard(Left/Right) | |||
| Material | GB45 /40Cr | |||
| Surface Treatment | Treatment Epoxy Coating/Hot-dipped Galvanization |
(Scroll Right or Left)
| Specification | Outside Diameter | Length | Hardness | Unit Weight |
| Unit | mm
in | mm
in | HB
HRC | Kg
lb |
| Middle Stop | 95
3.74 95
3.74 | 200
7.87
220
8.66 | 170-220
25-30 | 4.02
8.86 4.42
9.74 |
| Without Middle Stop | 95
3.74 95
3.74 | 200
7.87
220
8.66 | 170-220
25-30 | 4.02
8.86 4.42
9.74 |
| Thread Type | lnternational Standard(Left/Right) | |||
| Matrial | GB 45/40Cr | |||
| Surface Treatment | Treatment Epoxy Coating/Hot-dipped Galvanization |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| ESF | Hardened Button Bit For Unconsolidated Rock With Boulders | 42CrMo | 115
130 | 2.02
2.55 | 49-54HRC |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| ESSF | TC Button Bit For Medium Rock Formations | GB45+Tungsten Carbide | 115
130 | 2.09
2.62 | 85-88HRA |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| EX | Hardened Cross Bit For Loose To Medium Dense Ground Conditions | 42CrMo | 115
130
150 170 | 2.36
2.66
5.54 5.82 | 49-54HRC |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| EXX | TC Cross Bit For Soft To Medium Rock Formations | GB45+Tungsten Carbide | 115
130
150 170 | 2.39
2.69
5.56 5.92 | 85-88HRA |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| ESD | Drop Centre Button Bit For Granular Solis,Soft Mudstones | 42CrMo | 115
130
150 | 4.21
4.65
5.29 | 49-54HRC |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| ESSD | Carbide Drop Centre Button Bit For Dense Gravels,Fractured Ground,Schists,Broken Rock | GB45+Tungsten Carbide | 115
130
150 | 4.23
4.70
5.32 | 85-88HRA |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| EW | Hardened Cross Bit For Loose To Medium Dense Ground Conditions | 42CrMo | 110
130
150
170 | 1.23
1.76
2.84
3.52 | 49-54HRC |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| Hardened Cross Bit | Hardened Cross Bit With lnjection Nozzles For Loose To Medium Dense Ground Conditions | 42CrMo | 115
130
150
170 | 3.42
3.65
4.53
5.26 | 49-54HRC |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| TC Cross Burron Drill Bit | TC Cross Button Bit For Compentent Ground&Strong Rock | GB45+ Tungsten Carbide | 115
130 150
170 200 | 6.84
7.50 8.42
8.84 10.20 | 85-88HRA |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| TC Cross Button Drill Bit | TC Cross Button Bit For Compentent Ground&Strong Rock | GB45+Tungsten Carbide | 115
130 150
170 200 | 6.53
6.97 8.60
9.42 10.5 | 85-88HRA |
(Scroll Right or Left)
| Specification | Suitable Conditions | Material | Outside Diameter(mm) | Unit Weigh(kg) | Hardness |
| TC Cross Two Stage | TC Cross Two Stage Bit For Competent Ground&Strong Rock | GB45+ Tungsten Carbide | 115
130 150 | 2.14
2.75 3.21 | 85-88HRA |
(Scroll Right or Left)
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