ISO 5414-2:1982

Tool chucks (end mill holders) with clamp screws for flatted parallel shank tools — Part 2: Connecting dimensions of chucks

ISO 5414-2 specifies the dimensions of two types of connection: chucks with 7/24 taper shanks for tool shanks with either single flat or a double flat and chucks with Morse taper shanks for tool shanks with a single flat only. Morse tapers shall conform with ISO 296 and ISO 5413 and 7/24 tapers shall conform with ISO 297 and ISO 2583. Flatted parallel shanks installed in these chucks shall conform to ISO 3338-2.