R51N Self-drilling Rock Bolt and Accessories
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| Description | Size | Weight | Part No. | Remark | ||
| (kg) | (lb) | |||||
| Steel cross bit | R51/85 mm | 1.30 | 2.87 | 51MR31185 | Hardened cross bit for loose to medium dense conditions with small boulders | |
| TC cross bit | R51/115 mm | 1.80 | 3.97 | 51MR312115 | TC cross bit for soft to medium rock formations | |
| Steel button bit | R51/100 mm | 1.85 | 4.08 | 51MR301100 51MR301115 | TC insert button bit for unconsolidated rock with boulders | |
| R51/115 mm | 2.00 | 4.41 | ||||
| TC button bit | R51/100 mm | 1.85 | 4.08 | 51MR302100 | TC insert button bit for medium rock formations | |
| Length | Type | Part No. | |
| 1 m long | R51L R51N | 51MR01L 51MR01N | |
| 2 m long | R51L R51N | 51MR02L 51MR02N | |
| 3 m long | R51L R51N | 51MR03L 51MR03N | |
| 4 m long | R51L R51N | 51MR04L 51MR04N | |
| 6 m long | R51L R51N | 51MR06L 51MR06N |
| Diameter | Length | Part No. | Weight | ||
| (kg) | (lb) | ||||
| 63 | 200 | 51MR2063 | 1.90 | 4.19 | |
| Key size | Length | Part No. | Weight | ||
| (kg) | (lb) | ||||
| 75 | 70 | 51MR7075 | 1.55 | 3.42 | |
| Key size | Length | Part No. | Weight | ||
| (kg) | (lb) | ||||
| 75 | 70 | 51MR7075S | 1.73 | 3.81 | |
| Dimension | Hole diameter | Part No. | Weight | ||
| (kg) | (lb) | ||||
| 200×200×12 | 52.5 | 51MR1252 | 3.6 | 7.94 | |
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