Direct manufacturer of stainless steel or carbon steel press-fit screws and bolts: FH, FHS, FHA, TFH, TFHS, HFH, HFHS, FHL, FHLS, and other specifications. Factory supply stainless steel press-fit screws and bolts in 1/4-20 English screw and American rivet FHS-0420-L fasteners. Shenzhen Hengbo Precision Hardware Products Co., Ltd. specializes in the production and sale of American PEM and Southco standard press-fit screws and various products. A large inventory of commonly used parts is available. Welcome to inquire.