Specification Brand : Yosoo Health Gear BulletPoint1 : 【High-quality Steel】: This er11 collet set is made of high-quality steel, which has good strength and good durability BulletPoint2 : 【Precision Grinding】: This er11 collet chuck cnc spindle is precision ground to eliminate imbalance and increase safety during cutting BulletPoint3 : 【Good Substitute】: This er-11 collet lathe tool holder can reduce costs, improve efficiency, which can replace your old collet well BulletPoint4 : 【Size】: The shaft hole of this router collet extension is 8mm (+0.02 mm) and needs to be heated and expanded, the shaft diameter is 18mm, the nut diameter is 13mm, and the nut diameter is 18mm. BulletPoint5 : 【Wide Application】: This er11 spring collet is widely used in boring, milling, drilling, tapping, grinding and other processing Color : defult ItemName : Counterbore Bit, Flat Bottom Counterbore Drill Bits, 5pcs Counterbore Set, End Mill Cutter Set, Er11 Collet Chuck Cnc Spindle, Er-11 Collet Lathe Tool Holder for CNC Milling Lather ItemPackageDimensions_Height : 15.8 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 8.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : workholding-collets Manufacturer : Yosoo Health Gear Material : Alloy Steel PartNumber : Yosoo Health Gearng4of5qcxp ProductDescription : Features: - This motor shaft collet is made of high quality steel material, straight shank with clamping nut to be tightened. - diameter and the other parts are precision ground to eliminate unbalance, increase safety when cutting. - Straight extended shank fits for deep processing, meeting the needs of extending the depth of processing. - Collet is well packed in a protective container with label for transportation and storage. - It is widely used in boring, milling, drilling, tapping, grinding and other processing.