Button Allen Bolts (M2 To M12) - A4 (316) SS - Natural SS or Black Oxide Finish

Button Allen Bolts M2 To M12 - A4 (316 Marine Grade) Stainless Steel - Natural or Black Oxide Finish. Although A4 (316) is often described as the 'marine grade', it is also seen as the first step up from the basic 304, A2 grade.