K11□/□系列三爪自定心卡盘与机床主轴连接形式有A1、A2、C、D四种，可分别同3、4、5、6、8、11、15号短锥主轴端部配套、短锥连接参数符合GB5900.1—GB5900.3(ISO702)标准。与K11系列自定心卡盘相同，K11□/□系列卡盘的卡爪结构型式也分为整体爪、A型分离爪、C型分离爪，同规格卡盘的相同结构型式的卡爪可以通用。

This series of chucks are of the short cone type and can be directly connected to the spindle noses of the machine tools.

The chuck mounting types are classified as type A1、A2、C and D which can be separately fitted onto NO.3、4、5、6、8、11、15 spindle noses. The connecting dimensions conform to GB5900.1—GB5900.3(ISO702) standards. The same with the K11 series 3-jaw self-centring chucks. K11□/□ are classified as solid jaws, two-piece jaws for Form A and Form C jaws can be interchanged for chucks of the same size and the same jaws’s Form.