They are usually designed for use in softformations such as sand, clay, or some soft rock.
Their uses include drilling water wells, mining,geothermal, environmental and exploration drilling.
Whenever possible, they should be used to drillpilot holes, for they produce cuttings are easiest to log.
Normally drag bits are 3 wings, but we can make 4or 5 wings following your drawings or samples.
Many special designs are available upon yourrequest.
Three wingsstep drag bits:
- Drag bitsare made according to API standard or no thread standard justwelding
- Variousstep and chevron drag bits are available from 3 inch to 17 1/2 inch. (normalsmall size are 3",3 3/4",3 7/8",4 3/4",4 5/8",5 7/8" and soon)
- There isvery good feedback from our customers because of the quality and price.
- Differentdrag bits can be made according to your drawings or samples.
