Changsha Golden Drilling Machinery Co.,Ltd
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Golden Rotary Drilling Tools Road Construction Borehole Core Barrels With Roller Bits
JZTG 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.
Purchase the standard drilling buckets.
1) Core Barrel with Bullet Teeth
Main Applications:Core Barrel with Bullet Teeth is used for cutting an annular ring in rock or concrete (also reinforced concrete).
Features: Cutting ring with staggered arrangement of round shank chisels.
Chisel holders are welded to the base body.
The round shank chisels can be easily replaced when using suitable tools
CORE BARREL WITH BULLET TEETH TECHNICAL DATA
| Drilling Dia mm | Shell Dia mm | Shell Length mm | Shell Thickness mm | Teeth Qty pcs | Weight kg |
| 600 | 530 | 1200 | 16+30 | 6 | 500 |
| 700 | 620 | 1200 | 16+30 | 9 | 572 |
| 800 | 720 | 1200 | 16+30 | 9 | 660 |
| 1000 | 920 | 1200 | 16+30 | 12 | 810 |
| 1100 | 1020 | 1200 | 16+30 | 15 | 861 |
| 1200 | 1120 | 1200 | 16+30 | 15 | 1000 |
| 1300 | 1220 | 1200 | 16+30 | 15 | 1052 |
| 1400 | 1320 | 1200 | 16+30 | 18 | 1180 |
| 1500 | 1420 | 1200 | 20+30 | 18 | 1240 |
| 1600 | 1520 | 1200 | 20+30 | 21 | 1350 |
| 1700 | 1620 | 1000 | 20+40 | 24 | 1635 |
| 1800 | 1720 | 1000 | 20+40 | 24 | 1690 |
| 2000 | 1920 | 800 | 20+40 | 27 | 1770 |
| 2200 | 2120 | 800 | 20+40 | 30 | 1950 |
| 2500 | 2420 | 800 | 20+40 | 33 | 2450 |
2) Core Barrel with Roller Bits
Mian Applications: Core Barrel with Roller Bits is used in very strong rock formations (compressive strength> 100 Mpa).
Features:Roller Bits are API Certificated, complete of bearing and carbide insert.
Forging Process
Welded Type or Replaceable Type
Sealed Bearing And Tungsten Carbide Insert
CORE BARREL WITH ROLLER BITS TECHNICAL DATA
| Drililng Dia mm | Shell Dia mm | Shell Length mm | Shell Thickness mm | Teeth Qty pcs | Weight kg |
| 600 | 520 | 1200 | 16+30 | 4 | 550 |
| 700 | 600 | 1200 | 16+30 | 4 | 612 |
| 800 | 700 | 1200 | 16+30 | 6 | 734 |
| 1000 | 900 | 1200 | 16+30 | 8 | 908 |
| 1100 | 1000 | 1200 | 16+30 | 8 | 1006 |
| 1200 | 1100 | 1200 | 16+30 | 8 | 1089 |
| 1300 | 1200 | 1200 | 16+30 | 10 | 1175 |
| 1400 | 1300 | 1200 | 16+30 | 12 | 1327 |
| 1500 | 1400 | 1200 | 16+30 | 12 | 1387 |
| 1600 | 1500 | 1200 | 16+30 | 14 | 1522 |
| 1700 | 1600 | 1000 | 20+40 | 16 | 1831 |
| 1800 | 1700 | 1000 | 20+40 | 16 | 1886 |
| 2000 | 1900 | 800 | 20+40 | 18 | 1991 |
| 2200 | 2100 | 800 | 20+40 | 18 | 2162 |
| 2500 | 2400 | 800 | 20+40 | 20 | 2687 |
Main Applications:Cross Cutter Core Barrel is mainly used to break rock cores which remain in the borehole after using a core barrel, also suitable for drilling hard, jointed rock (< 100 Mpa) and for penetrating through layers containing boulders.
Features:Cutting ring with round shank chisels.
Chisels holders are welded to the base.
Central pipe reinforcement.
CROSS CUTTER CORE BARREL TECHNICAL DATA
| Drilling Dia mm | Shell Dia mm | Shell Length mm | Shell Thickness mm | Teeth QTY pcs | Weight kg |
| 600 | 550 | 1200 | 16 | 11 | 615 |
| 700 | 650 | 1200 | 16/20 | 19 | 678 |
| 800 | 700 | 1200 | 16/20 | 19 | 768 |
| 1000 | 900 | 1200 | 16/20 | 25 | 884 |
| 1200 | 1100 | 1200 | 16/20 | 39 | 1216 |
| 1300 | 1200 | 1200 | 16/20 | 39 | 1270 |
| 1500 | 1400 | 1200 | 16/20 | 46 | 1487 |
| 1600 | 1500 | 1200 | 16/20 | 49 | 1614 |
| 1700 | 1600 | 1000 | 20 | 56 | 1922 |
| 1800 | 1700 | 1000 | 20 | 56 | 1994 |
| 2000 | 1900 | 800 | 20 | 67 | 2090 |
| 2200 | 2100 | 800 | 20 | 74 | 2194 |
| 2500 | 2400 | 800 | 20 | 85 | 2817 |
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