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Product Paramenters：
● Design as straight type , better for carry soil:
● Double cutter bearing uniform force , can avoid inclined hole ;
● Double spiral easy to carry soil , but meet cohesive soil , single spiral is easy to dump spoil ;
● Applicable layers ; clay , high-weathered layer , gravel etc ;
| Cutting Dia.(mm) | Sprial OD.（mm) | Center Tube OD.（mm） | Spiral Pitch（mm） | Sprial THK（mm） | Teeth No. |
| φ400 | φ370 | φ159 | 350 | 20 | 6 |
| 350 | 30 | ||||
| φ450 | φ400 | φ159 | 350 | 20 | 6 |
| 350 | 30 | ||||
| φ500 | φ450 | φ180 | 400 | 20 | 6 |
| 400 | 30 | ||||
| φ550 | φ500 | φ180 | 400 | 20 | 6 |
| 400 | 30 | ||||
| φ600 | φ550 | φ219 | 400 | 20 | 15 |
| φ550 | 600 | 30 | |||
| φ700 | φ650 | φ219 | 400 | 20 | 17 |
| 600 | 30 | ||||
| φ800 | φ750 | φ245 | 400 | 20 | 21 |
| φ750 | 600 | 30 | |||
| φ900 | φ850 | φ245 | 500 | 20 | 22 |
| 600 | 30 | ||||
| φ1000 | φ950 | φ245 | 600 | 20 | 23 |
| φ950 | 600 | 30 | |||
| φ1100 | φ1050 | φ245 | 600 | 30 | 24 |
| φ1200 | φ1150 | φ245 | 600 | 30 | 25 |
| φ1300 | φ1250 | φ245 | 600 | 30 | 27 |
| φ1400 | φ1350 | φ273 | 600 | 30 | 30 |
| φ1500 | φ1450 | φ273 | 600 | 30 | 32 |
| φ1600 | φ1550 | φ273 | 600 | 30 | 34 |
| φ1700 | φ1650 | φ273 | 600 | 30 | 36 |
| φ1800 | φ1750 | φ273 | 600 | 30 | 38 |
| 600 | 35 | ||||
| φ2000 | φ1950 | φ273 | 600 | 30 | 40 |
| 600 | 35 | ||||
| φ2200 | φ2150 | φ273 | 600 | 30 | 38 |
| 600 | 35 | ||||
| φ2500 | φ2450 | 800 | 30 | 45 | |
| 800 | 35 | ||||
| φ2800 | φ2750 | 900 | 30 | 48 | |
| 900 | 35 | ||||
| φ3500 | φ3450 | φ377 | 900 | 30 | 75 |
| 900 | 35 |
Product Paramenters：
● Design as straight type , better for carry soil:
● Double cutter bearing uniform force , can avoid inclined hole ;
● Double spiral easy to carry soil , but meet cohesive soil , single spiral is easy to dump spoil ;
● Applicable layers ; clay , high-weathered layer , gravel etc ;
| Cutting Dia.(mm) | Sprial OD.（mm) | Center Tube OD.（mm） | Spiral Pitch（mm） | Sprial THK（mm） | Teeth No. |
| φ400 | φ370 | φ159 | 350 | 20 | 6 |
| 350 | 30 | ||||
| φ450 | φ400 | φ159 | 350 | 20 | 6 |
| 350 | 30 | ||||
| φ500 | φ450 | φ180 | 400 | 20 | 6 |
| 400 | 30 | ||||
| φ550 | φ500 | φ180 | 400 | 20 | 6 |
| 400 | 30 | ||||
| φ600 | φ550 | φ219 | 400 | 20 | 15 |
| φ550 | 600 | 30 | |||
| φ700 | φ650 | φ219 | 400 | 20 | 17 |
| 600 | 30 | ||||
| φ800 | φ750 | φ245 | 400 | 20 | 21 |
| φ750 | 600 | 30 | |||
| φ900 | φ850 | φ245 | 500 | 20 | 22 |
| 600 | 30 | ||||
| φ1000 | φ950 | φ245 | 600 | 20 | 23 |
| φ950 | 600 | 30 | |||
| φ1100 | φ1050 | φ245 | 600 | 30 | 24 |
| φ1200 | φ1150 | φ245 | 600 | 30 | 25 |
| φ1300 | φ1250 | φ245 | 600 | 30 | 27 |
| φ1400 | φ1350 | φ273 | 600 | 30 | 30 |
| φ1500 | φ1450 | φ273 | 600 | 30 | 32 |
| φ1600 | φ1550 | φ273 | 600 | 30 | 34 |
| φ1700 | φ1650 | φ273 | 600 | 30 | 36 |
| φ1800 | φ1750 | φ273 | 600 | 30 | 38 |
| 600 | 35 | ||||
| φ2000 | φ1950 | φ273 | 600 | 30 | 40 |
| 600 | 35 | ||||
| φ2200 | φ2150 | φ273 | 600 | 30 | 38 |
| 600 | 35 | ||||
| φ2500 | φ2450 | 800 | 30 | 45 | |
| 800 | 35 | ||||
| φ2800 | φ2750 | 900 | 30 | 48 | |
| 900 | 35 | ||||
| φ3500 | φ3450 | φ377 | 900 | 30 | 75 |
| 900 | 35 |
