Pernos De Anclaje Zamac Jinyun Perfect Fastener Co., Ltd. Base Info Standard:ANSIMaterial:Zinc AlloyConnection:MaleSurface Treatment:Without TreatmentHead Type:RoundTrademark:Perfect FastenerSpecification:ISO9001Origin:Zhejiang, ChinaHS Code:73181590 Description Pre:#12 mm Self Drilling Screw Roof Self Tapping Screw DIN 7504K Tek Screw Next:Mechanical Zinc Plating Self Drilling Screw DIN 7504K Self-Drilling Screw Made in China