Loctite ea 3463 magic steel stick loctite 396913 loctite 3463 is a versatile and easy to use dual component steel filled epoxy repair putty it is first kneaded to mix the two parts then applied like a putty when cured it exhibits high compressive strength and good adhesion to most surfaces it stops leaks in pipes and tanks fills oversized bolt holes smoothes welds and repairs non structural defects in castings or holes in tanks loctite 3463 is typically used in applications with a