... Our Logo. Products:Our products including Wheel Bolt & Nut, Truck Bolt & Nut, Hub Bolt & Nut, Plow Bolt & Nut, Track Pin & Bushing, King Pin ... , Hardness: HRC26-36, fully hardened and tempered to match bolt strengthMaterial:S45/40Cr.Surface:Black oxide, Blue Zinc plating, Trivalent ... advice us the quantity per shipment.Minimum Quantity:3,000 Sets/Item, or USD3,000/ShipmentDelivery:35-60 Days after ...