1.Titanium 2.High precision 3.For Rc Hobby Industrial 4.Delivery fast 5.OEM Design Freerun has become a professional ... Blasting, Painting, Anodizing, Heat treatment, AlodineTolerancehexagon socket screws: +0.0004/-0, +0/-0.0004 inchStandard DIN912,913,914,915,916,DIN84,ASME B18 ... or samples of hexagon socket screws, info of mateiral, quantity then we can quote you a price immediately.OEM, ODM ...