A4 SS External Hex Hexagon Head SEM Screws Bolts With Nuts Washer Gasket M3~M12
~ Product Description:
Product Name : External Hexagon Head SEM Screws
Thread Diameter : M3 M4 M5 M6 M8 M10 M12
Length : 8mm~200mm
Product size = thread diameter x length (excluding head length)
Product Strength : Grade 4.8
Product head type : External hexagon
Product material : A4 stainless steel
Product Type : Set of 4 (Countersunk Screws+Nuts+Washers+Spring Washers)
~Product Features:
External hexagonal screws are used to fasten two connected parts and components with through holes by matching with (flat pad and spring pad) nuts.
The product uses 316 stainless steel, with good corrosion resistance, oxidation and heat resistance, high strength, high toughness characteristics
~Commonly Used Stainless Steel Are As Follows:
201 stainless steel, suitable for use in dry environments, rainwater is easy to rust
304 stainless steel, outdoor or wet environment, high corrosion and acid resistance strength
316 stainless steel, stronger corrosion resistance and acid resistance, especially for seawater and chemical media