Leke 7pcs ER11 Spring Collet Set with ER11A 5mm Extension Rod for CNC Machine Tools

Features: * brand new and high quality *Hardened and precision ground *Built in self-release design and tools will never get stuck in holder *Widely used for boring milling drilling silk attack sculpture CNC and other processing. *Used with any standard ER collet chucks for coolant-thru tool applications. *Each collet is well packed in separate protective container with label. Specifications: ER11 1-7mm Collet Chuck *Total height: 18mm(Approx) *Outer diameter(Max): 11.5mm(Approx) *Gripping range: 1MM to 7MM (1mm 2mm 3mm 4mm 5mm 6mm 7mm)(Approx) *Fits metric shank size(s): For example 1mm Collets Fits 1mm metric shank 2mm Collets Fits 2mm metric shank. ER11A 5mm Motor Shaft Holder Extension Rod *Type: ER11A-5mm *Material: Steel *Height: 40mm / 1.57 (Approx) *Shaft Diameter: 16mm / 0.63 (Approx) *Shaft Inner Diameter: 5mm(±0.02mm) / 0.2 (Approx) *Nut Diameter: 19mm / 7.48 (Approx) *Nut Inner Diameter: 9mm / 3.54 (Approx) *Shaft Hole: 5mm need to install heating expansion Package Contents: 1*Extension Rod 7*ER11 Collets Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.