R8 Accuracy Collets Set 10PCS Fit for CNC Milling Lathe Tool Engraving Machine

R8 Collet | Gripping range: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 18mm, 20mm | Material: Made of steel, sturdy and durable, easy to use and operate | Performance: R8 collet surfaces are accuracy ground for an accurate fit | Application: Widely used in CNC milling machines, turning tools, and workpiece clamping and carving machines | Package includes: 10 x R8 chuck holder