M2 M2.5 to M8 Flanged Button Head Screws Allen Socket Bolts A2 Stainless Steel
Thread Size：M2 M2.5 M3 M4 M5 M6 M8. Size M2 M2.5 M3 M4 M5 M6 M8. A2 Stainless SteelFlanged Button Head Socket Screws. A2 stainless is commonly referred to as 304 or 18/8 because it contains 18% chromium and 8% nickel.