Parameter Information: Material: 304 Stainless Steel Screw Pitch: 1.25 Thickness: 7mm Product Description: Product Name: Bright Finish Hex Lock Nuts Features: - Precise Specifications: With a thread diameter of M8, a thread pitch of 1.25mm, a flange diameter of 0.67inches (17mm) , and a width across corner of 0.57inches (14.4mm) , these hex serrated flange nuts offer precise fitment and compatibility with a range of applications. - Comprehensive Set: The comprehensive package encapsulates 20 units of M8 hex flange nuts, comprehensively catering to a diverse array of fastening requirements, ensuring a ready solution for all your tightening needs. - Excellent Material: Crafted from 304 stainless steel, ensuring resilience against corrosion in extreme environments like high temperatures, cold weather, and high humidity zones, with superior rust and oxidation resistance for long lasting performance. - Innovative Design: The hexagonal flange nut adopts a washer integrated base design, which can effectively distribute pressure on a wider surface area and maintain a safe and tight fit. The serrated edges prevent loosening caused by vibration, ensuring consistent strength. - Versatile Applications: Widely used in all kinds of precision machinery, scientific instruments, electronics, household appliances, communication devices, locks, lighting fixtures, and toys. Suitable for professionals and DIY enthusiasts alike. Product Weight : 125 G / 4.41 Ounces Product Dimensions (L*W*H) : 100*100*10 MM / 3.94*3.94*0.39 Inches Package Weight : 127.0 G / 4.48 Ounces Package Dimensions (L*W*H) : 105*105*15 MM / 4.13*4.13*0.59 Inches Retail Packaging: Yes, Plastic Packaging