This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of resin anchor metal rod bodies and their accessories. This standard applies to resin anchor metal rod bodies and accessories used for coal mine and other engineering support.
MT 146.2-2002 history
2011MT 146.2-2011 Resin anchor bolts.Part 2:Steel bars and accessories
2002MT 146.2-2002 Resin anchor bolts - Steel bars and accessories
1970MT 146.2-1995 Resin anchor bolts - Steel bars and accessories