... 1.Material:Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling,Boring,Milling 3.OEM CNC Machining A,certification: ISO9001:2008B,Products Availablebolts ... , screws, nuts, rivets, Heatsink, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ...