ER11A 5mm CNC Spindle Motor Shaft Extension Rod Holder with 1/8 1/4 Inch Spring Chuck Collet

Description: R11A 5mm CNC Spindle Motor Shaft Extension Rod Holder with 1/8 1/4 Inch Spring Chuck Collet Specification: ER11 Collets: Material: high grade 45 carbon steel Color: silver Total height: approx. 17mm Gripping range: 1/8" 1/4" ER11A 5mm Extension Rod: Material: steel Height: approx. 37mm (when the lock nut) Shaft Hole: 5mm (+0.02 mm) the need to install heating expansion ER11A Nut: Outside hexagonal nut 19 mm maximum overall diamete High strength and hardness. Durable in use. Features: Built in self-Release design and tools will never get stuck in holder. Use with any standard ER collet chucks for coolant-thru tool applications. Each collet is well packed in separate protective container with label. Hardened and precision ground. Performance stability, high accuracy. Durable in use. Widely used, boring, milling, drilling, silk attack, sculpture, CNC, and other processing. Package Included: 1 x ER11A 5mm Extension Rod 2 x Collets More Details: