5pcs CNC Router Bits Spiral End Mill Set for Aluminum Cutting, 4x17x45mm High - Speed Steel Milling Cutter with Polished for Non - Ferrous Metals

Condition: 100% Brand NewItem Type: Spiral Milling CutterMaterial: High Speed SteelCoating: PlatingDiameter: Approx. 4mm / 0.2inShank Diameter: Approx. 4mm / 0.2inBlade Length: Approx. 17mm / 0.7inTotal Length: Approx. 45mm / 1.8inQuantity: 5pcsPackage List：5 x Milling CutterNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

• Precision Cutting Performance: This 5pcs CNC router bits spiral end mill set features highly polished cutting edges that deliver smooth, clean cuts in aluminum, brass, and copper, ensuring professional-grade results with minimal tool wear during extended use.
• Durable High-Speed Steel Construction: Made from high-speed steel, these milling cutters are sturdy, wear-, and built to handle repeated machining tasks on non-ferrous metals without chipping or dulling quickly, offering long-lasting reliability.
• Versatile for Multiple Applications: Ideal for hobbyists, woodworkers, and metal fabricators, this CNC end mill set works seamlessly with desktop CNC machines for engraving, trimming, and precision milling across various DIY and industrial projects.
• Smooth Operation and Fine Finish: Engineered with high-tolerance grinding and fine workmanship, each spiral end mill reduces vibration and heat buildup, resulting in a superior surface finish and consistent performance on soft metals.
• Complete Set with Easy Installation: Includes 5 identical 4x17x45mm router bits ready for immediate use—lightweight, portable, and simple to install in most standard collets, making replacements quick and tool organization hassle-free.