🔩 Extra Collet Nuts for Your Spindle

🔩 Extra Collet Nuts for Your Spindle Stay ready with spares. Keep carving with confidence. Need a backup or a direct replacement for your spindle’s collet nut? These high-quality ER collet nuts from PwnCNC are the same ones we include in our spindle kits—and they’re now available individually for your convenience. 🛠️ Compatibility ER11A Collet Nuts — For 65mm spindle motors ER20A Collet Nuts — For 80mm spindle motors ⚠️ Not compatible with ISO20 ATC systems.If you’re running an ATC setup, you’ll want ISO20 Tool Holders instead. 🧰 Available Options 🖤 Black Collet Nuts• Balanced to 14,000 RPM• Ideal for woodworking, acrylic, and general-purpose CNC use 🪙 Silver Collet Nuts• Balanced to 18,000 RPM• Perfect for metalworking and high-speed, high-precision jobs• These are the same nuts featured in our High-Precision ER Collet Sets 🔍 Want to Learn More? Check out our Knowledge Base Guide on ER Collets to understand sizing, compatibility, and performance tips. Whether you're r