Double Bottom L1000mm Core Barrel , Double Barrel Core Drilling With 26pcs Soil Teeth
1. CO2 gas shielded welding and submerged arc welding
2.Materials: Q345B, wear-resistant blocks or wear-resistant welding wires to increase wear resistance.
3.Different drilling teeth angle can be customized according to requirements and application.
4. Customized optional for special tools
5. Different Kelly Box available
6. Different drilling teeth optional
7. Drawing confirmation before production
8. Experienced engineers can provide one-stop drilling tool solutions
9. Diversified augers and buckets are optional.
10. Short leading time:7 working days
11. 24-hour online after-sales service
12. Double bottom soil bucket: silt, fine sand, silty clay, clay, some soft soil-like rocks, such as fully, strongly weathered and moderately weathered mudstone, argillaceous sandstone, etc.
13. Double bottom rock bucket: pebbles, gravel layers, moderately weathered soil-like soft rocks, such as moderately weathered argillaceous sandstone, argillaceous conglomerate, etc. In case of harder rocks with higher weathering degree, such as fully weathered and strongly weathered granite, etc., core barrel and spiral auger are often used together.
Unique Drilling Bucket & Core Barrel adopt the high-carbon steel (Q345B, 16Mn, Q195-Q345, etc.) and special drilling bits (B47K20H, B47K19H, B47K17H, 3050, 3060, 3065,C30, C31HD, B85, B43H,18TL, 18HD, 25VIP, 18VIP, 25T, 25HD, 22T,833-18,855 25,18PN/LK,25PN/LK ) angle to keep the drilling strength and efficiency.
Standard Drilling Bucket
1) Clay Drilling Buckets
Applicable layers: clay, silt and loose to medium dense sand and gravel, up to coarse gravel. Double cut soil buckets is recommended in cased/uncased and for bigger diameter piles.
Features: Cylindrical barrel or conical barrel(optional).
Throughout ventilation hole.
Hard facing strips for wear protection.
Kelly box: 130*130 ,150*150,200*200 or as required (optional).
CLAY DRILLING BUCKETS TECHNICAL DATA
| Drilling Dia mm | Shell Dia mm | Shell Length mm | Shell Thickness mm | Teeth Qty PCS | Single Cut Weight KG | Double Cut Weight KG |
| 600 | 550 | 1200 | 16 | 4 | 686 | 656 |
| 700 | 650 | 1200 | 16/20 | 4 | 824 | 784 |
| 800 | 700 | 1200 | 16/20 | 4 | 959 | 909 |
| 900 | 800 | 1200 | 16/20 | 5 | 1120 | 1051 |
| 1000 | 900 | 1200 | 16/20 | 6 | 1276 | 1186 |
| 1100 | 1000 | 1200 | 16/20 | 6 | 1416 | 1336 |
| 1200 | 1100 | 1200 | 16/20 | 6 | 1585 | 1455 |
| 1300 | 1200 | 1200 | 16/20 | 7 | 1828 | 1668 |
| 1400 | 1300 | 1200 | 16/20 | 8 | 2022 | 1841 |
| 1500 | 1400 | 1200 | 16/20 | 9 | 2078 | 1938 |
| 1600 | 1500 | 1200 | 16/20 | 10 | 2392 | 2152 |
| 1700 | 1600 | 1000 | 20 | 10 | 2401 | 2271 |
| 1800 | 1700 | 1000 | 20 | 11 | 3073 | 2823 |
| 2000 | 1900 | 800 | 20 | 12 | 3480 | 3160 |
| 2200 | 2100 | 800 | 20 | 14 | 4019 | 3669 |
| 2500 | 2400 | 800 | 20 | 16 | 4556 | 4076 |
2)Rock Drilling Buckets
Applicable layers: very dense sand, gravel and medium hard rocks and up to corse gravel, etc..Double cut rock bucket is recommended in uncased bores or for the bigger diameters and for scant pile walls.
Features: Cylindrical barrel or conical barrel(optional).
Throughout ventilation hole.
Hard facing strips for wear protection.
Sturdy and wearable rock pilot for accurate positioning.
Kelly box: 130*130 ,150*150,200*200 or as required (optional).
ROCK DRILLING BUCKETS TECHNICAL DATA
| Driling Dia mm | Shell Dia mm | Shell Length mm | Shell Thickness mm | Teeth Qty pcs | Single cut Weight kg | Double cut Weight kg |
| 600 | 550 | 1200 | 16 | 5+2 | 712 | 682 |
| 700 | 650 | 1200 | 1620 | 6+2 | 866 | 826 |
| 800 | 700 | 1200 | 16/20 | 7+2 | 971 | 921 |
| 900 | 800 | 1200 | 16/20 | 10+1 | 1130 | 1061 |
| 1000 | 900 | 1200 | 16/20 | 8+4+2 | 1280 | 1190 |
| 1100 | 1000 | 1200 | 16/20 | 10+4+2 | 1440 | 1360 |
| 1200 | 1100 | 1200 | 16/20 | 10+4+2 | 1643 | 1513 |
| 1300 | 1200 | 1200 | 16/20 | 12+4+2 | 1938 | 1778 |
| 1400 | 1300 | 1200 | 16/20 | 13+4+2 | 2100 | 1919 |
| 1500 | 1400 | 1200 | 16/20 | 14+4+2 | 2304 | 2164 |
| 1600 | 1500 | 1200 | 16/20 | 16+4+2 | 2668 | 2428 |
| 1700 | 1600 | 1000 | 16/20 | 16+4+4 | 2535 | 2405 |
| 1800 | 1700 | 1000 | 20 | 18+4+4 | 3207 | 2957 |
| 2000 | 1900 | 800 | 20 | 20+4+4 | 3567 | 3247 |
| 2200 | 2100 | 800 | 20 | 22+4+4 | 4137 | 3787 |
| 2500 | 2400 | 800 | 20 | 24+4+4 | 4716 | 4236 |
Customized Drilling Buckets
(1). Kelly Box: design various type and size 130*130, 150*150,200*200 or as required.
(2).Shell Height: design as demand, according to the piling diameter and soil condition prolong or shorten, increase of efficiency by drilling more.
(3).Cutter: single cutter or double cutter and single bottom or double bottom design as demand;
(4).Bottom Open Mechanic : half-automatic or manul mechanic bottom open system.
(5).Model of Teeth:
Rock Bits:B47K20H, B47K19H, B47K17H, 3050, 3060, 3065,C30, C31HD, B85, B43H,etc..
Clay Teeth:18TL, 18HD, 25VIP, 18VIP, 25T, 25HD, 22T,833-18,855,etc..
