#10-32 tpi x 5/8 in. Brass Expansion Nut

Hi stairmaster, I have used these to reconnect a factory mounted roof rack after I drove into the garage with two bikes on top! How embarrassing! I used a plastic hammer to flatten the roof metal and then drilled the metal to match the diameter of the shank of this Expansion Nut. I dropped in the anchor and screwed it tight with a screw driver. For your rear view mirror, you might have to drill the existing holes to accommodate the Expansion Nut. This Expansion Nut will accept a screw into it to anchor your mirror. Thank you for asking, -Travis

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