This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of hexagonal wrenches. This standard applies to hexagonal socket wrench for screwing hexagonal socket head cap screws.
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 5305 Packaging,marking,transportation and storage of hand tools