ISO 5414-2根据ISO 3338-2规定了带夹紧螺钉的工具夹头（端铣刀夹持器）的尺寸。它还规定了这些卡盘的名称。 ISO 5414-2定义了两种类型的连接: 手动换刀器的7/24锥柄卡盘和自动换刀器的7/24锥柄卡盘分别符合ISO 297和ISO 7388-1的要求，手动和自动换刀器的单平面或双平面刀柄卡盘； 符合ISO 296和ISO 5413的莫氏锥柄卡盘，仅适用于单平面工具柄。

ISO 5414-2 specifies the dimensions of tool chucks (end mill holders) with clamp screws for tools with flatted cylindrical shanks in accordance with ISO 3338-2. It also specifies the designations of these chucks. ISO 5414-2 defines two types of connection: chucks with 7/24 taper shanks in accordance with ISO 297 for manual changers and with ISO 7388-1 for automatic changers, for tool shanks with either single flat or a double flat for manual and automatic changers; chucks with Morse taper shanks in accordance with ISO 296 and ISO 5413 for tool shanks with a single flat only.