6 X 3/8 Pan Pozi Self Tapper 3.5 X 9.4 A4 Stainless Steel DIN7981 PK10
Big Bear Bolts
£0.25
A4 stainless is often used in marine or chemical environments as it has greater corrosion resistance than A2 . The chemical composition of both A2 and A4 stainless steel are almost identical with the most notable differences being the higher nickel content and the addition of Molybdenum in A4.
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