10pcs ER11 1/8 Inch Spring Collet for CNC Milling Lathe Tool

.size_table_start table,.size_table_start table tr td { border:2px solid #ddd;}.size_table_start table { width: 100%; min-height: 25px; line-height: 25px; text-align: center; border-collapse: collapse;}.size_table_start,.size_table_end {clear:both;} Description: 10pcs ER11 1/8 Inch Spring Collet for CNC Milling Lathe Tool ? Specification: Model: ER11 Precision: <0.015 Material: Spring Steel Gripping Range: 1/8 Upper Diameter: 12 mm Bottom Diameter: 8 mm Height: 18 mm Ground roughness is Ra0.4 Microns, plus overall fine polish Suitable 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, I`ll 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: 10pcs x ER11 1/8 Collet ? Note: Manual measuring, please allow 1 ~ 3 mm error,thank you. ? More Details: