ER16 Collet Chuck Holder Motor Shaft Extension Rod Inner Hole 8mm

ER16 Collet Chuck Holder Motor Shaft Extension Rod Inner Hole 8mm Specification: Type ER16 Material 40CR Color silver, black Length 45mm Inner diameter 8mm Features: -ER straight rod type collet extension handle, the handle body is relatively long, suitable for deep hole processing. -Can reduce the use of tools, reduce costs, improve efficiency. -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.