Thread nominal (M):5 Purpose: Standard Nail type: screw Standard Number: Head form: cylindrical head Pitch: Standard Nominal Length: 5 null: Material: stainless steel A2-50 Specification model: Strength grade: Grade A Surface Treatment: washing and brightening [Combination] 320 boxed stainless steel 304,M5,M6 semicircle head/flat round head hexagon socket head cap screw nut spanner set BASIC INFO 1. Product material: 304 stainless steel 2. Surface treatment: washing and brightening 3. Standard type: German standard 4 product categories: bolts, nuts, gaskets Product specifications: M5, M6 Product Accessories: Allen wrench Scope of Application: automobile industry-cars, trucks, buses, construction machinery, wind power generation equipment, Agricultural machinery, casting industry, drilling equipment, shipbuilding industry, mining equipment, Public facilities, rail transit, Product function: it is a part that tightly connects mechanical equipment and so on. Gasket, yes Increase contact area, reduce pressure, prevent loosening, and protect parts And screws