PDC drill bits produced by Zhengzhou LD Diamond Products CO.,Ltd.,are applied to rock formation f≤15, like granite, limestone, sandstone, mudstone, etc., mainly used for geological exploration, water well, gas drainage hole, drawing water hole, injected hole, blast hole, dam and roadway construction etc.
Usually drill bits are three wings or four wings.
LD drill bits adopt 2 cutters, flat and dome-shaped cutters.
The flat cutters have high abrasion resistance and fast drilling efficiency, suitable for drilling ordinary formation.
The dome-shaped cutters have high impact resistance and stable drilling performance, suitable for formations with hard interbred layers.
LD PDC drill bits are from 60mm to 153mm, any special design is available upon customers' request.
Type
D(mm)
Wing(W)
Note Information
MNW-3
56, 60, 65
3
1.Sizes: Above as standard type sizes;
Special Design is available upon as
customer's requested
Special Design is available upon as
customer's requested
NW-3
75, 78
3
NW-3
89,94,98,100
3
2. Wings: All sizes can do 3W/4W/5W/6W as requested.
NW-3
108,113
3
NW-3
133
3
NW-4
4
3. Thread: Sizes and Outside/Female thread as requested.
NW-3
153
3
NW-4
4
