GB/T 37891.4-2019 Cutter arbors with parallel key and tenon drive—Part 4: Dimensions and designation of tool holders with 7/24 taper without automatic tool changers (English Version)
2019GB/T 37891.4-2019 Cutter arbors with parallel key and tenon drive—Part 4: Dimensions and designation of tool holders with 7/24 taper without automatic tool changers