Goshen have stainless steel ss201,ss304,ss316,ss316L, 904L and Duplex Steel hex bolt of DIN933, DIN931,DIN6914,DIN601,DIN558,DIN7990,DIN 609,DIN 7968,ASME/ANSI B 18.2.1,ASME/ANSI B 18.2.3.6M,ASME/ANSI B 18.2.3.7M,ASME/ANSI B 18.2.6,ISO 8676,ISO 8765,Ect , And welcome your drawing for custom fastener bolt and screws. We have professional technology and strict quality inspection to ensure that every product is qualified and delivered to the customer.