7Pcs ER11 1-7mm Spring Collets with ER11A 5mm Motor Shaft Holder Extension Rod

Description: 7Pcs ER11 1-7mm Spring Collets with ER11A 5mm Motor Shaft Holder Extension Rod Specification: ER11 1-7mm Collet Chuck Material: High Grade 45 Carbon Steel Color: Silver Total height: Approx. 18mm Outer diameter(Max): Approx. 11.5mm Gripping range: 1MM to 7MM (1mm,2mm,3mm,4mm,5mm,6mm,7mm) Fits metric shank size(s): For example,1mm Collets Fits 1mm metric shank,2mm Collets Fits 2mm metric shank. ER11A 5mm Extension Rod Height: 38 mm(when the lock nut) Material: Special quality steel,high hardness Shaft Hole: 5 mm (+0.02 mm) the need to install heating expansion ER11A Nut: Outside hexagonal nut 19 mm maximum overall diamete Features: -Made of high grade specially formulated spring steel -Hardened and precision ground -Built in self-Release design and tools will never get stuck in holder - Widely used, boring, milling, drilling, silk attack, sculpture, CNC, and other processing. - Use with any standard ER collet chucks for coolant-thru tool applications. - Each collet is well packed in separate protective container with label. Package Included: 1 x ER11A 5mm Extension Rod 7 x ER11 Collets More Details: