... 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 ) bearing, LED light ... SS316 etc.2. Steel:Q235,20#,45# etc.3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), ...