cnc router parts 1.machine screw size,M3-M36 2.carbon ... 3.zinc plated,black,etc 4.flat,pan, etc. cnc router parts 1.Surface Finish: annealing, natural anodization, heat treatment ... ourself to smile to each customer1)Details: Product name cnc router parts Material1.Stainless Steel: SS201, SS303, SS304, SS316, ... :8. Contact information:Tel: 0086-15994736840We are at service in 24 hours. Skype: szjbsy888