High Quality Knurled Aluminum Alloy Bushings: The Industrial Choice for CNC Precision Machining and Custom Patterns In mechanical transmissions, precision equipment, and automated devices, bushings are core components that ensure stable operation and reduce frictional wear. Among them, knurled aluminum alloy bushings, with their lightweight characteristics, anti-slip and wear-resistant knurled structure, and flexible customization capabilities, have become popular custom parts …