DIN and OEM hex flange bolts combine a washerāstyle flange with highāstrength Class 10.9 alloy steel for demanding applications. Available in zincāplated and zincāflake finishes, as well as stainlessāsteel variants, they distribute load evenly and resist loosening. Rare thread sizesāsuch as M15Ć1.5 and M14Ć1.25āsupport precise fit.