ER11 1/8 Inch Spring Collet for CNC Milling Lathe Tool

Description ER11 1 8 Inch Spring Collet for CNC Milling Lathe Tool Specification Model ER11Precision 0 015Material Spring SteelGripping Range 1 8Upper Diameter 12 mmBottom Diameter 8 mmHeight 18 mmGround roughness is Ra0 4 Microns plus overall fine polishSuitable For Boring milling drilling tapping engraving CNC spindle machines and other processing T I R 0 0003 or 5um In order to make all collets running true on your side make sure your machine spindle and chuck holder running true on my side Ill make sure all those collets running in tenth Features 1 Durable and practical 2 Special angled slots increase rigidity 3 Protects tool holder from contaminants 4 Better overall balance of tool holder assembly 5 Use with any standard ER collet chucks for coolant thru tool applications Package Included 1pc x ER11 1 8 Collet Note Manual measuring please allow 1 3 mm error thank you More Details