GB/T 14298-1993 Helical end milling cutters with indexable inserts

GB/T 14298-2008 Helical end mills with indexable inserts

GB 3837.3 GB/T 1443-1996 Machine tools—Self-holding tapers for tool shanks GB/T 1443-2016 Self-holding tapers for machine tools and tool shanks GB/T 2075-1998 Application of hard cutting materials for machining by chip removal—Designation of the main groups of chip removal and groups of application GB/T 2075-2007 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application GB/T 2076-1987 Indexable inserts for cutting tools—Designation GB/T 2076-2007 Indexable inserts for cutting tools—Designation GB/T 2076-2021 Indexable inserts for cutting tools—Designation GB/T 6161-1994 Micrographics—Test chart No.2—Description and use in microfilming GB/T 6161-2008 Micrographics—ISO resolution test chart No.2—Description and use GB/T 2075-2025 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application