M4 0.7 Serrated Flange Hex Nuts, Hexagon Nuts 304 Stainless Steel Black Oxide, Metric Lock DIN6923 (100 pcs)

🚩Upgraded Material: Made of A2-grade 304 stainless steel， precision-polished and a black electroplated for dual-protection finish. The sleek black coating not only significantly enhances corrosion resistance but also breaks free from outdated metallic looks, effortlessly blending with modern minimalist and industrial aesthetics. 🚩Specifications: Serrated Flange hex nut (100pcs) compliant with DIN 9623 standards. Specifications: inner diameter 4mm; spanner size 7mm; nut height 4.5mm; pitch 0.7mm. 🚩Various size: Hexagonal Serrated flanged nuts for multiple size options available to perfectly match screw/bolt dimensions, meeting various fastening requirements. Safety note: Contains small parts—keep away from kids to avoid choking risks. 🚩Widely used in automotive assembly, machinery, electronics, and construction. Its anti-slip flange replaces the "nut + flat washer" combo, streamlining installation and boosting efficiency. Ideal for home improvement, industrial maintenance, machinery manufacturing, and various repair/professional projects. 🚩Hassle-Free Service: Our goal is to provide our clients with high quality products and service, if you have any problems after purchasing our product, feel free contact us. we’re always at your service.