8MM Inner Diameter Collet Chuck Extension ER11 Series ER11 Collet Holder Drilling Machine

Label:Yes The extension rod diameter and other parts are ground to tight specs to cut down on runout and keep things steady when cutting. Made from solid steel with a straight shank and clamping nut that tightens down secure. MULTI-PROCESS USE The collet comes in a sturdy container with a label, ready for shipping and storage. Works with boring, milling, drilling, tapping, grinding, and other shop tasks. PRECISION GROUND ROD The straight extended shank reaches into deep spots, giving you the extra depth you need for deep cuts. STEEL SHAFT COLLET LABELED STORAGE CASE DEEP REACH SHANK

Specifications: Type: ER11A-8mm Color: Silvery Material: Carbon Steel Height: 40mm / 1.57" Shaft Diameter: 16mm / 0.63" Shaft Inner Diameter: 8mm(±0.02mm) / 0.31" Nut Diameter: 19mm / 7.48" Nut Inner Diameter: 9mm / 3.54"

Package Includes: 1 x Collet

Note: Please allow 1-2mm error due to manual measurement. Thanks for your understanding.