1 Superior quality bolt nut at the competitive price 2 Design according to customer requirement 3 ... 180mmMaterial : carbon steel , stainless steel304 /316 , Alloy steel , Brass ..... As the customer requirementStandard : GB , ANSI . DIN , ISO ,BSW , JIS , special ... of Bolt, Nut and Washer , located in guangdong province . The biggest advantage of our company is to specialize in producing various ...