J-B Weld Twin Tube
This 2 oz. cold weld two-part epoxy system provides strong, lasting repairs to metal and multiple surfaces. It forms a permanent bond and can be shaped, tapped, filed, sanded, and drilled after curing. At room temperature it takes this epoxy between 4 to 6 hours to fully set and will change to a dark gray color, to achieve a full cure leave this epoxy to sit for 25 to 24 hours and it will set to a hard bond.