A4 Marine Grade Stainless Steel Hex Thin Half Lock Nuts DIN 439 M3 To M30 Nuts

~Product Description:

- The thread is the most common metric coarse thread

- Manufactured according to DIN 439
 
- Thread size: M3 - M30

- Nut material: A4 Stainless Steel 

- Standard: DIN 439

- Hexagon shape Half / Lock Nuts

- Stainless steel grade A4 Marine Grade DIN 439 to give optimum corrosion resistance

Features of Stainless Steel :

- 201 stainless steel, suitable for use in dry environment, rusting easily by rain

- 304 stainless steel, outdoor or wet environment, high strength of corrosion and acid resistance

- 316 stainless steel, stronger corrosion resistance and acid resistance, especially suitable for seawater and chemical media