... , Oxiding, Blasting, Painting, Anodizing, Heat treatment, AlodineTolerancehexagon socket screws: +0.0004/-0, +0/-0.0004 inchStandard ... quote you a price immediately.OEM, ODM hexagon socket screws are provided per customers' application. You ... 161/4~10"1 1/22-1/2~18"Hex Socket Flat Head Cap Screws (DIN7991=ISO ... When it is completely locked in, its smooth surface will cause no scratch for other items, ...