MT/T 187.9-1991
Scraper Conveyor Fastener Non-Metallic Insert Hex Lock Nut (English Version)
- Standard No.
- MT/T 187.9-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Coal
- Status
- Latest
- MT/T 187.9-1991
- Scope
- This standard specifies the product classification, technical requirements, test methods, acceptance inspection, marking and packaging of Class B non-metallic insert hexagonal lock nuts (hereinafter referred to as lock nuts) with thread specification M27 and performance levels 8 and 10. . This standard applies to non-metallic insert hexagonal locking nuts for underground scraper conveyors and scraper transfer machines in coal mines.
MT/T 187.9-1991 history
- 1970 MT/T 187.9-1991 Scraper Conveyor Fastener Non-Metallic Insert Hex Lock Nut
