General description M20 A4 Stainless steel studding is supplied in single meter lengths. This studding is made from A4 grade stainless steel, also known as type 316 S31, which offers superior corrosion resistance compared to A2 grade in specific environments. It is particularly suitable for marine applications, especially when in direct contact with salt water. Technical specifications Length: 1 meter Thread Pitch: 2.5 mm Material: A4 grade stainless steel (type 316 S31)