homemade patent homemade patent S250 jackleg rock drill
Product Description
All figures provided have been based on field experience, and may be reasonably expected.The actual drilling capacity will depend on drilling techniques, equipment used andconditions.
| Bore | 79.4 mm |
| Stroke | 73.25 mm |
| Weight (c/w leg) | 39/ kg |
| Blows/Minute | 2200 @ 6.2 bar |
| Air Consumption | 4.4 m3/ min |
| Air Connection | 1 in BSP |
| Water Connection | 1/2 in BSP |
| Leg Thrust | 244 kg @ 6.2 bar |
| Leg Extension - Standard | 762 mm |
| Supply Hose ID | |
| Air | 25mm |
| Water | 12mm |
| Steel Size (Hex)-Chuck End | |
| Standard | 42.2 kg |
| Unmuffled | 41.3kg |
| Noise Emissions | |
| Muffled: Noise Pressure | 113.5 dB(A) |
| Unmuffled:Noise Pressure | 116.0 dB(A) Power 129.0 dB(A) |