bugle head Self Tapping Screw(Stainless Steel Fasteners) Hangzhou Huachao Fastener Co., Ltd. Base Info Trademark:HANGCHAOSpecification:DINOrigin:ChinaHS Code:73181500 Description Pre:Truss Head Self Tapping Screw (Wafer Head) Next:Hex washer head self drilling screw DIN7504K