About us
We are a professional manufacturer of drilling bits for geological exploration, mining exploration, oil&gas well drilling, and bridge, highway and railway construction, and etc.. Our main products are tricone bits, TCI bit, steel tooth bit, PDC bit, PDC cutter bit, PDC core bit, PDC non-coring bit and other drilling equipment. Much importance attached on the detail, quality and service, it has established a good business relationship with our worldwide customers.
PDC core bit
At present, we have surface diamond core bit, impregnated diamond core bit, single tube PDC core bit, two-step rib PDC core bit in the stock and the production line.
Models and working parameter
Profile of PDC Core Model | ||
Model | Application | |
PDC Core Drill Bit | Normal PDC Type | Soft-medium hard formation of f≤8 |
Reinforced PDC Type | Medium-hard formation of f≤10 | |
Working Parameter of Available Model | ||||
Outside Dia(MM) | Inside Dia(MM) | Weight on bit(KN) | Rotary Speed(RPM) | Connection Type |
56 | 39 | 6~8 | 300~500 | pin/box thread connection |
60 | 45 | 6~8 | 300~500 | |
75 | 49 | 4.8~12 | 200~300 | |
75 | 54.5 | 4.8~12 | 200~300 | |
75 | 60 | 4.8~12 | 200~300 | |
77 | 55 | 4.8~12 | 200~300 | |
94 | 62 | 6.4~16 | 150~250 | |
94 | 69 | 6.4~16 | 150~250 | |
113 | 93 | 8.8~22 | 120~200 | |
133 | 113 | 15~30 | 100~200 | |
153 | 133 | 15~30 | 100~200 | |
152 | 110 | 15~30 | 100~200 | |
190 | 110 | 18~44 | 100~150 | |
190 | 152 | 18~44 | ||
Note: | ||||
Product photos
