... Brand Name: HUALONGPackaging & Delivery Packaging detail:Export Quality PackagingDelivery Detail :FOB NINGBOSpecifications(1). Product: Square ... LengthM16-300Type of headSquare,Hex,Flange,Hex socket,T-Head and other you can chooseSurface ... Nuts Type of NutSquare,Hex,Flange,Hex socket,T-type,Coupling,wheel ,acorn,tapper,and ... experience of manufacturing fasteners Provide High Quality Square Head Bolts