ER40-18 Collet Chuck, 17-18mm Range,0.0002'' Max TIR, Spring Steel CNC Lathe Grip Clamping Mill Routers Holder for Boring Engraving EDM Grinding Drill Presses Machines

Why Choose Our ER40 Collet Chuck? 1. Ultra-High Concentricity – Minimizes runout for smoother cuts, tighter tolerances, and superior finish quality. 2.Heavy-Duty Spring Steel Construction – Built to withstand rigorous machining operations, including milling, boring, reaming, tapping, and grinding. 3.Quick-Change ER40 Collet Nut Included – Swap tools in seconds, reducing downtime and boosting productivity. 4.Anti-Slip Grip Technology – Prevents tool deflection even under heavy loads, ensuring precision and safety at all speeds. 5.Universal Compatibility – Works seamlessly with CNC machines, lathes, routers, and drill presses—perfect for single-tool setups or full collet systems.

• High-Precision ER40 Collet Chuck Tool Holding for CNC Machining – Ensures exceptional accuracy with < 5µm ( 0.0002 inch ) runout tolerance, ideal for CNC milling machines and lathes. Perfect for heavy-duty cutting and high-precision concentricity in milling, drilling, and boring operations.
• Precision Collet Chuck with Premium Build – Constructed from hardened spring steel, this chuck is engineered for durability and vibration reduction, significantly enhancing machining quality. The heat-treated material provides superior strength, ensuring reliable performance in grinding, tapping, and precision carving tasks.
• Versatile Compatibility– Securely holds drill bits, milling cutters, reamers, and boring tools, preventing slippage even at high speeds. Compatible with a wide range of CNC equipment, including small drilling machines, machining molds, mini lathes, routers, and EDM drill presses. Delivers precise cuts and stable performance across various high-speed operations.
• Industrial Grade – Built to endure demanding CNC applications, it offers reliable tool retention for milling machines and grinders. Optimized for heavy-duty cutting with minimal maintenance, ensuring long-lasting performance in industrial settings.
• Collet Size:ER40-18mm | Grip Range:17-18mm | Workpiece Dia.Tolerance:0.0002" (5um) | Package:2pcs/set