Machifit 6pcs ER20 1/8-9/32 Inch Chuck Collet Spring Collet Set for CNC Milling Lathe Tool

Description ER20 1 8 5 32 3 16 7 32 1 4 9 32 Spring Collets Set For CNC Engraving Milling Lathe Tool Specification Model ER20Material Spring SteelPrecision 0 015Gripping Range 1 8 5 32 3 16 7 32 1 4 9 32Upper Diameter 28 mmBottom Diameter 25 mmHeight 34 mmSuitable For Boring milling drilling tapping engraving CNC spindle machines and other processingGround roughness is Ra0 4 Microns plus overall fine polish Quantity 6pcs Set 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 6Pcs x ER20 Collets More Details