5/16in R8 Round Collet

R8 collets are designed to fit spindles with an R8 taper and provide a reliable and accurate tool-holding solution for milling applications. Made from high-grade tool steel, each collet is hardened and precision ground to ensure durability and consistent performance. With a maximum runout of 0.0007" 0.018 mm, R8 collets offer excellent concentricity for precise machining. They feature a standard 7/16"-20 drawbar thread and are ideal for holding round shank tools securely in place.

• Fits R8 Taper Spindles: Designed for milling machines with R8 taper for secure tool holding.
• High-Grade Tool Steel: Made from durable, hardened, and precision-ground steel for long life.
• Excellent Accuracy: Maintains maximum runout of 0.0007" (0.018 mm) for precise machining.
• Standard Drawbar Thread: Features a 7/16"-20 internal thread for compatibility with most drawbars.
• Reliable Grip: Ideal for holding round shank tools in a wide range of machining applications.