1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 1/4", 1/8". Ground Roughness is Ra0.4 Microns, plus overall fine polish. Suitable For: Boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing.Special angled slots increase rigidity. Protects tool holder from contaminants.
Better overall balance of tool holder assembly. Use with any standard ER collet chucks for coolant-thru tool applications. The item "15pcs ER11 Spring Collet Chuck Set 1/16-3/4 CNC Milling Engraving Lathe Tool" is in sale since Saturday, December 7, 2019.This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Collets\Spring Collets". The seller is "ms-gear" and is located in California / New Jersey. This item can be shipped to United States.