15pcs Er11 1-7mm Spring Collet Set For Cnc Milling Lathe Tool

Description: 15pcs ER11 1-7mm Spring Collet Set for CNC Milling Lathe Tool Specification: Model ER11 Precision <0.012 Material Spring Steel Gripping Range 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" Upper Diameter 12mm Bottom Diameter 8mm Height 20mm Quantity 15pcs Features: 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. Durable and practical. 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. Package Included: 15 x ER11 Collets More Details: