Drag Bits, Step drag bits. drag tricone bit
Detailed Product Description
1.Sizes available: From 3''(76.2mm) to 17 1/2'’(444.5mm), special design can be customized as your request.
2.Drag bit also named blade bit with a TC inserts on the blades, generally it has three wings, sometimes four or five can be needed.
3.Used in soft formations such as sand, clay, and so on, for water well drilling, geothermal, environmental, exploration and so on.
4.Two types of drag bit: chevron drag bit and stepped drag bit.
Just let me know if you have any needs.
Thanks
Sunny(sunny19890215 at hotmail dot com)