3M Scotch-Weld Epoxy Adhesive DP420LX HiNS Black is a toughened, high non-sag, two-part epoxy structural adhesive that provides good strength along with high impact and fatigue resistance to meet demanding bonding challenges. 3M Scotch-Weld Epoxy Adhesive DP420LX HiNS can replace mechanical fasteners, screws, rivets and spot welds in many applications. 0