Type A ER20 Extension Rod 12mm Motor Shaft Chuck Holder CNC Milling

Features: ER straight rod type collet extension handle the handle body is relatively long suitable for deep hole processing. Use for motor Rod Extension can replace the drill clip with ER collet perfect match for all kinds of straight shank tools. The outer diameter of the rod and other parts of the rod can be eliminated by precision grinding which can eliminate the unbalance and increase the stability of the cutting. High quality and brand new. Specification: Material: 40CR Color: Silver & Black (As Picture Show) Suitable Chuck: ER20 Nut Type: Type A Rod Hole Diameter: 12mm Rod Diameter: 25mm Size: 57.6*33.9mm/2.27*1.33 inch(L*Dia) Package Contents: 1 * Motor Shaft Collet Notes: 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.