Steel PDC Drill Bit
The entire bit body of the pcd drill bitis made of medium carbon steel and machined using a fabrication process. The bit crown is treated with a surface hardening process (sprayed tungsten carbide wear layer, carburized) to enhance erosion resistance.
Specification Of Steel PDC Drag Bit Drilling
|
Diameter |
Wings |
|
|
mm |
inch |
|
|
51 |
2” |
3 |
|
65 |
2 1/2” |
3 |
|
76 |
3” |
3 |
|
89 |
3 1/2” |
3 |
|
92 |
3 5/8” |
3/4 |
|
95 |
3 3/4” |
3/4 |
|
98 |
3 7/8” |
3/4 |
|
102 |
4” |
3/4 |
|
108 |
4 1/4” |
3/4 |
|
114 |
4 1/2” |
3/4 |
|
127 |
5” |
3/4 |
|
133 |
5 1/4” |
3/4 |
|
146 |
5 3/4” |
3/4 |
|
152 |
6” |
3/4 |
|
171 |
6 3/4” |
2003/4/5 |
|
191 |
7 1/2” |
2003/4/5 |
|
216 |
8 1/2” |
2004/5/6 |
Steel PDCBitPerformance
The drill head is treated with the surface hardening process (spraying tungsten carbide wear -resistant layer) to enhance its erosion resistance. The advantage of steel body is that the manufacturing cost is low and easy to repair.
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