dear sir, I'm vicky , from Dongtai Huawei standard component Co., Ltd. we are a professional manufactory who specialized in Stainless steel bolts, nuts, screws, washers, rivets, selftapping screws, self clinching screws, etc, with more than 15 years experience . welcome to inquiry us with your detailed requirement. we will supply you a very competitive price and good quality.Looking forward to your favorable & prompty reply! Thanks very much! Best Regards,Vicky