Competitive price and high quality; Strong digging capacity; Coal Mining Bit Specifications
1.Standard material to technical drawings 2.Suit for all formation 3.Cutting edge with R-chisels
Kelly bar Drilling buckets
DZ Kelly bar Drilling buckets are used for drilling in cohesive and non-cohesive soil below the groundwater level, while the KBF bucket series is suitable for breaking and ripping of hard soil up to medium hard rock. A hinged revolving bottom gate can be automatically opened for emptying the bucket. A vent tube prevents vacuum when lifting the tool in the borehole. Buckets are available in various configurations such as:
flat teeth or round shank chisels ("bullet teeth")single or double start typedifferent pilot (starter) bitswith or without collar ringreamer edge ("cleaning bucket")range of diameter 520 mm - 2500 mm
Diameter(mm) | Casing Specifications | Cyl. Thickness(mm) | Bottom thickness(mm) | Height(mm) | Weight(kg) |
520 | 620/540 | 12 | 40 | 1470 | 685 |
600 | 750/670 | 12 | 40 | 1470 | 780 |
780 | 880/800 | 16 | 40 | 1470 | 1015 |
900 | 1000/920 | 16 | 40 | 1470 | 1165 |
1000 | 1180/1100 | 16 | 50 | 1470 | 1220 |
1060 | 1180/110 | 16 | 50 | 1470 | 1300 |
1180 | 1300/1220 | 16 | 50 | 1470 | 1815 |
1350 | 1500/1400 | 16 | 50 | 1470 | 2115 |
1500 | 1650/1550 | 16 | 50 | 1270 | 2850 |
1800 | 2000/1880 | 16 | 50 | 1270 | 3450 |
Kelly bar Drilling buckets
