Specification Brand : XINHUANGDUO BulletPoint1 : Comprehensive Accessory Kit: Include 1 pcs ER16 chuck, collects, and a power supply with mach3 for a complete CNC setup. BulletPoint2 : Reverse A Dc Motor|Standard Motor Products Building|High Speed Performance:Achieve precision with a 12,000 RPM max speed, ideal for PCB engraving and intricate CNC projects. BulletPoint3 : Precision Engineering:With a 0.02-0.05mm runout, this spindle ensures consistent and reliable performance. BulletPoint4 : Durable Construction:Constructed with a robust aluminum 52mm clamp and a high-insulation motor for longevity. BulletPoint5 : Versatile Power Options:Available in 110V and 220V configurations, this spindle motor adapts to various power sources. BulletPoint6 : External carbon design, convenient for carbon brush replacement and overhaul. Effectively extend the life of the motor Horsepower : 500 watts IncludedComponents : 1 pcs spindle ER16 and 1pcs power supply and 1 pcs clamp ItemName : XINHUANGDUO 500w CNC Spindle Motor Air Cooled Spindle ER16 Chuck high Speed Spindle Motor 12000RPM + 52mm Clamp with 4 pcs Screws + Power Supply Speed Governor mach 3 for PCB Engraving Dc Motor ItemPackageDimensions_Height : 1.7 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemTypeKeyword : permanent-magnet-motors Manufacturer : XINHUANGDUO Material : Metal NumberOfItems : 1 PartNumber : bh500yswz ProductDescription : Feature: 1.Air Cooled Spindle: Size:52mm Power:500W Maximum Torque:0.59Nm Runout off:0.01mm-0.03mm work Voltage:110VDC Speed:3000-12000rpm Water Cooling ER16 collet (8mm) 2.power supply: Power Supply with speed governor:(Manual speed regulation) Input:AC220V ± 10%50/60Hz Adapter power:500W Support mach3 function this power regulator can adjust 110/220v according to customers' needs 3.52mm clamp : 1x 52mm Mount Bracket+4x Screws Applicable to:300w 400w 500w spindle motor Model: 52mm Spindle motor mount bracket Diameter: 52mm Material: Aluminum alloy