Mining rock bolt bearing plate/washer
Wholly manufactures kinds of plates and combined plates used with various of rock bolts.
Custom sizes can be provided according to customer specifications
The dome design significantly increases the bearing capacity
Features a dog ear design for convenient hanging of service lines
The hole diameter in the split set bot plate exceeds the bolt diameter by 2mm.
For thread bolt plates, the hole diameter is typically 4-5mm larger than the bolt, unless used with a dome ball.
| Combined plate | ||
| Plate type | Dimensions | Weight |
| Top Plate | 150X150x5 | 2.17 |
| Bottom Plate | 300X280X2 | |
| Top Plate | 150X150X6 | 2.34 |
| Bottom Plate | 300X280X2 | |
| Top Plate | 150X150X7 | 2.51 |
| Bottom Plate | 300X280X2 | |
| Domed plate | ||
| Dimensions(mm) | Weight(kg) | Dog ear |
| 120X120X4 | 0.45 | Y |
| 150X150X4 | 0.71 | Y |
| 150X150X5 | 0.88 | Y |
| 150X150X6 | 1.06 | Y |
| 150X150X8 | 1.42 | Y |
| 200X200X4 | 1.26 | Y |
| 200X200X5 | 1.57 | Y |
| 200X200X8 | 2.51 | N |
| 200X200X10 | 3.14 | N |
Offered in either a black finish or hot-dip galvanized for added durability.
Ø Alternate sizes also available as customer’s requirement
Ø Used in mine with low headroom
Ø Used in relatively flat rock surface
Ø Used in where little or no angularity needed
Ø Muti-holes plate is available to fix the breather tube and grout tube used with cable bolts
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