Dragonfly Plate for Friction Bolts
Physical Properties
| Dragonfly | Plate Size and Type | Net Weight Black | Net Weight Galvanised |
| mm | mm | kg | kg |
| 300x280 | 120x120x4 Domed | 1.72 | 1.78 |
| 300x280 | 150x150x4 Domed | 1.96 | 2.06 |
| 400x280 | 120x120x4 Domed | 1.96 | 2.06 |
| 400x280 | 150x150x4 Domed | 2.30 | 2.3 |
General Features
- DSI Dragonfly Plates incorporate a plate washer attached to a standard butterfly to create a superior product with enhanced performance.
- Designed with a profile that gives greater strength by strategically pressing the vees, placing the perimeter of the Dragonfly Plate in tension.
Has ‘user friendly’ rounded corners.
Allows faster installation by eliminating the handling of two separate components. - Can facilitate flat and domed plates (up to 150mm square) to increase rock surface coverage area.
- Can be utilised with lighter domed or flat plates to provide an economic advantage over heavier individual components.
- Is suitable for direct placement onto the rock surface or used against welded mesh.
- Are supplied with a slot for suspension of light services and some domed plates include a services support lug.
- Corrosion protection may be provided by hot dip galvanizing (refer to Section G).
- Australian Patent Application Number 50705/96 and Registered Design No. 127286 are applicable to DSI Dragonflies.
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