DZ 10-1982
Structural type and basic parameters of single-action double-layer core tube for diamond drilling (English Version)
- Standard No.
- DZ 10-1982
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Geology
- Latest
- DZ 10-1982
- Scope
- This standard applies to diamond single-acting double-layer core tubes for geological core drilling with a diameter of 36 to 76 mm. This standard specifies the basic parameters of three types of double-tube single-action structures and main parts. The pipes, threads, reamers and drill bits used in the double pipes respectively comply with YB 848-75 "Steel Pipes for Small Diameter Drilling", DZ 1-78 "Pipe Threads for Small Diameter Drilling" and DZ2-78 "Diamond for Geological Core Drilling" Drill bits and reamers" standard.
DZ 10-1982 history
- 1970 DZ 10-1982 Structural type and basic parameters of single-action double-layer core tube for diamond drilling
