| Model | Thread Connection | OD(mm) | Rec.Hole Size | Shank Style | Working Pressure(Bar) | 
| CD35 | API 2 3/8" Reg | φ82mm | φ90-φ105 | DHD3.5
 CD35 | 1.0-1.5Mpa | 
| CD45 | API 2 3/8" Reg | φ99mm | φ110-φ135 | Cop44
 DHD340 CD45 | 1.0-2.5Mpa | 
| CSD4 | API 2 3/8" Reg | φ99mm | φ110-φ135 | SD4
 CSD4 | 1.0-2.5Mpa | 
| CQL40 | API 2 3/8" Reg | φ99mm | φ110-φ135 | QL40
 CQL40 | 1.0-2.5Mpa | 
| CD55 | API 2 3/8" Reg
 API 3 1/2" Reg | φ125mm | φ135-φ155 | Cop54
 DHD350R CD55 | 1.0-2.5Mpa | 
| CSD5 | API 3 1/2" Reg | φ125mm | φ135-φ155 | SD5
 CSD5 | 1.0-2.5Mpa | 
| CQL50 | API 3 1/2" Reg | φ125mm | φ135-φ155 | Cop54
 QL50 CQL50 | 1.0-2.5Mpa | 
| CD65 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64
 DHD360 CD65 | 1.0-2.5Mpa | 
| CSD6 | API 3 1/2" Reg | φ148mm | φ155-φ190 | SD6
 CSD6 | 1.0-2.5Mpa | 
| CQL60 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64
 QL60 CQL60 | 1.0-2.5Mpa | 
| CD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | Cop84
 DHD380 CD85 | 1.0-2.5Mpa | 
| CSD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | SD8
 CSD8 | 1.0-2.5Mpa | 
| CQL80 | API 4 1/2" Reg | φ185mm | φ195-φ254 | QL80
 CQL80 | 1.0-2.5Mpa | 
| CSD10 | API 4 1/2" Reg
 API 5 1/2" Reg
 API 6 5/8" Reg | φ225mm | φ254-φ311 | SD10
 CSD10 | 1.0-2.5Mpa | 
| CN100 | API 6 5/8" Reg | φ225mm | φ254-φ311 | NUMA100
 CN100 | 1.0-2.5Mpa | 
| CSD12 | API 6 5/8" Reg | φ275mm | φ305-φ445 | SD12
 CSD12 | 1.0-2.5Mpa |