7003 aluminum angle bar :
1. Accuracy: plus /-0.02mm
2. Straightness <0.3m/2.5m
Purpose: Guarantee the speed requirements>8000 rpm, no material jittery.
3. Coarse crystal ring<0.5mm
4. Grain control
Purpose: to ensure that the 2,5,6,7 series aluminum alloy in the hard anodizing, anodizing uniform, color bright and beautiful.
5. Turning performance improvement
