GB/T 37891.3-2019 Cutter arbors with parallel key and tenon drive—Part 3: Dimensions and designation of tool holders with 7/24 taper for automatic tool changers (English Version)
2019GB/T 37891.3-2019 Cutter arbors with parallel key and tenon drive—Part 3: Dimensions and designation of tool holders with 7/24 taper for automatic tool changers