Features 1、One connecting handle body corresponds to multiple tap socket, can quickly switch tap specifications and improve work efficiency 2、Standard production with alloy material, easy to switch, suitable for drilling machine processing 3、The product provide easy and fast installation, clamping accuracy can reach 0.02mm 4、Install the tap socket into the connecting handle body, then install the tool and start tapping work 5、Fast change tapping chuck set possess stable structure, excellent performance and long service life Specification Item Type: Fast Change Tapping Chuck Set Model: J4016B18 Material: Alloy Applicable Machine Tool: Drilling machine Clamping Accuracy: 0.02mm Hardness: HBC 45-48 Clamping Range: M5, M6, M8, M10, M12, M14, M16 Package List 1 x Connecting Handle 1 x M5 Tap Chuck 1 x M6-8 Tap Chuck 1 x M10 Tap Chuck 1 x M12 Tap Chuck 1 x M14 Tap Chuck 1 x M16 Tap Chuck