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Drill Rig Toool Rock Bits Self Drilling Rock Anchor Drill Bit R51/100ESS for Micro Injection Pile
Micro Injection Pile SDA Drill Bits Specifications:
Thread:R51
Diameter:100mm
Processing Type:Casting
Button No.20pcs
Description:
Self-drilling hollow bar anchor system is the most common used system for rock mass stabilization, especially in tunneling, underground mining and ground engineering industry. It is mainly used for the supporting engineering in the loose and broken rock stratal with difficult to drilling hole. It provides the optimal solution for soil nailing, lock bolting, micro-piling.
Anchor bit diameter to choose:
| Dia. | 42 | 51 | 76 | 90 | 100 | 115 | 130 | 150 | 175 | 220 | 250 | 280 | 300 | 350 |
| R25 | √ | √ | ||||||||||||
| R32 | √ | √ | √ | √ | ||||||||||
| R38 | √ | √ | √ | √ | √ | |||||||||
| R51 | √ | √ | √ | √ | √ | √ | ||||||||
| T76 | √ | √ | √ | √ | √ | |||||||||
| T30 | √ | √ | ||||||||||||
| T40 | √ | √ | √ | √ | ||||||||||
| T52 | √ | √ | √ | √ | √ | √ | ||||||||
| T73 | √ | √ | √ | √ | ||||||||||
| T103 | √ | √ | √ | √ | √ | √ | ||||||||
| Thread standard | ISO 10208 / ISO 1720/ Other international standards | |||||||||||||
| Thread direction | Left hand / Right hand | |||||||||||||
| Hardness |
HRA 87 ~HRA90 for TC bits, HRC 48 ~HRC 55 for all steel bits. |
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