extruded aluminum heatsink SGS and ISO Material:Copper,iron,aluminum Grade:6063/6061/6005/6060 Design from drawing extruded aluminum heatsink More Information:1. Material: Aluminum 6061, 60632. Dimensions ... : CNC Turning, Sawing, Deburring, Milling, Drilling6. Surface Treatment: Milling finishing, anodized, power coating, sand blasting, polished, matte7. Color available: silver, white ...