- Assorted kit of 436 pieces including M4 hex button head screws, hex nuts, flat washers, and split lock washers - Made of 304 stainless steel, corrosion-resistant and suitable for indoor and outdoor use - Screws in different lengths (6 mm to 50 mm) to meet multiple fastening needs - Hex nuts designed to facilitate welding and ensure a secure fit with bolts and screws - Large diameter flat washers for better pressure distribution and surface protection - Split lock washers prevent loosening due to vibrations, ideal for mechanical applications - Comprehensive solution for professionals, hobbyists, and DIY tasks, making assembly and repair of structures easier - Ideal for hardware projects, maintenance, assembly, and repairs at home or in industry