This standard specifies the requirements, test methods, inspection rules, signs, packaging, transportation, storage and purchase order (or contract) content of cemented carbide round rod blanks. This standard applies to hard alloy round bar blanks for printed circuit board micro-drills, cutting tools, stamping tools and wear-resistant measuring tools.
GB/T 11101-2009 Referenced Document
GB/T 5242 Inspection rules and test methods of cemented carbide products*, 2017-10-14 Update
GB/T 5243 Marking,packing,transport and storage of cemented carbide products*, 2020-03-06 Update