ER25UM Dynamic Balancing Clamping Nut, 42CrMo Precision Metal Nut for CNC Milling Chuck Holder Lathe, Strong Clamping, Wear-resistant (M32*1.5 Extended Version)

The accuracy of the product balance is higher than that of the common nut. Extends the life of the nut, improves durability, better ensures the use of the machine and improves the anti-wear and anti-friction.Buy now. Features: 1. Suitable for ER type tool handle, toolbar, extension bar nut holding drill, boring cutter and other tools. 2. Strong clamping force is not easy to deform. Precisely tempered and ground Black Oxide Finish 3. This collet nut is a great replacement for the broken part and fits most tool holders. 4. Very wear-resistant, high resistance to erosion, therefore very durable. 5. Suitable for ER25 chuck, tool handle and tool shank. Specifications: Material: 42crMo Weight: 130 g Colour: black/white Size: 4.5*4.5*2.5cm/1.77*1.77*0.98 inches (approx.) 1mm = 0.039 inch (approx.) Color: Nut Thread: Nut Diameter (mm) Nut Height (mm) Blackm*1.5 4221 Blackm*1.542longen Whitem*1.54221 Package List: 1 x clamp Note: Please check the pictures and specifications to verify compatibility. Due to the light and screen difference, the item's color may be slightly different from the pictures.

• DYNAMIC BALANCING FOR PRECISION - Designed with dynamic balancing, this ER25UM collet nut ensures superior precision and stability, making it suitable for CNC milling and high-speed lathe action.
• LONG-LASTING 42CrMo CONSTRUCTION - Made from premium 42CrMo steel, this collet nut provides exceptional strength and durability, wear-resistant and erosion resistant for extended tool life.
• SOLID AND SECURE TIGHTENING - This nut provides strong clamping force that securely holds drill bits, boring cutters and other tools in place, minimizing deformation and ensuring consistent performance.
• UNIVERSAL COMPATIBILITY Versatile replacement part, this collet nut fits most ER25 chucks, tool handles and tool rods, providing wide compatibility with various tool holders.
• Oxidation Resistant Finish - The black oxide finish not only adds an extra layer of corrosion and erosion defense but also improves the overall appearance of the tool, ensuring it remains reliable in harsh working conditions.