Modified Truss Head Self Drilling Screw Hangzhou Huachao Fastener Co., Ltd. Base Info Material：Stainless SteelType：Modified Truss HeadHead Style：PhillipsConnection：ScrewGrade：4.8HS Code：73181400 Description Pre：Hex Washer Head Self Drilling Screw Next：8′′ 150lb Stainless Steel 316L ANSI B16.5 Plate Flange
