Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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Soft Formation Soil Drilling Blue 305mm Diameter 3 Wings/Blades Drag Bit
Product Introduce
The drag bit is designed for use in soft formations such as sand, clay, or some soft rock.
Step type bits are the most common type of drag bit used widely for soft to medium formations.
Chevron bits are designed for medium to hard formations.
Thread available:2 3/8, 3 1/2, 4 1/2, 5 1/2, 6 5/8 API Reg. Pin, IF Pin
Adavantages
1.High Quality Full Thickness Composites
2.Drag drill bit is used for drilling overburdens with sands, clays and soft formations. These bits will produce larger cuttings than Chevron style bit.
3.Because the step drill bit is more aggressive than the Chevron, the effect will be faster
Techinical parameter
| Type | Dimension | Thread connection | |
| inch | mm | ||
| 3 wings step type | 2 - 17 1/2 | 51-445 | 2 3/8'' - 6 5/8'' API REG |
| 3 wings chevron type | 2 1/2 - 8 | 64-203 | 2 3/8'' - 4 1/2'' API REG |
| 4 wings step type | 7 7/8 - 17 1/2 | 200-445 | 3 1/2'' - 6 5/8'' API REG |
| 4 wings chevron type | 2 5/8 - 12 | 67 - 305 | 2 3/8'' - 4 1/2'' API REG |
Application
Drag bits ar ethe perfect solution for soil, sand,sticky clay and grouting drilling.They are designed for the higher penetration rates in softer unconsolidated formations,provide lower costs per foot.Drag bits are more aggressive than tricone bits and have higher speed while lower cutting action
Detail Photos:
About us
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
Package:
Wooden cases or your required
Delivery Time
Generally need 15-20 days
Transport Way
By air, By Sea or By Express