Three law concentric chuck 三爪钻夹头

three-jaw concentric chuck 三爪同心夹盘

four-jaw concentric chuck 四爪同心卡盘

three-jet concentric chuck 三爪定心夹盘

concentric jaw chuck 同心颚夹夹头 ; 自动定心卡盘

three-jaw concentric lathe chuck 三爪定心夹盘

chuck concentric jaw 同心颚夹夹头

two jaw concentric lathe chuck 两爪自动车床夹盘

three-jet concentric lathe chuck 三爪内拉簧式夹盘