8Pcs 5mm Motor Unner Diameter Extension Rod

Specifications
Name ER11 Collets
Material High Grade 45 Carbon Steel
Color Silver
Total height Approx 18mm
Outer diameterMax Approx 115mm
Gripping Range 1MM to 7MM 1mm2mm3mm4mm5mm6mm7mm
Fits metric shank sizes For example1mm Collets Fits 1mm metric shank2mm Collets Fits 2mm metric shank

Features
Made of high grade specially formulated spring steel
Hardened and precision ground
Built in selfRelease 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 coolantthru tool applications
Each collet is well packed in separate protective container with label
NameER11A 5mm Extension Rod
Height 38 mmwhen the lock nut
Material Special quality steelhigh hardness
Shaft Hole 5 mm 002 mm the need to install heating expansion
ER11A Nut Outside hexagonal nut 19 mm maximum overall diamete

Package includes
1 x ER11A 5mm Extension Rod
7 x ER11 Collets