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Size Thread Tap to Clean Weld Nuts to Install Trailer Hitch on 2014 Toyota RAV4


Hello, Whats the tap size that I can use to either clean or enlarge 1 size? I followed your suggestion how to clean rusty bolt holes for 2 weeks now and still a no go. I was thinking of bring my car to a shop to tap, clean, perhaps make a new holes, any suggestion again? Thanks,


Expert Reply:

The install bolts of the Draw Tite hitch part # 75235 that you referenced are size M12x1.25x40 so the size tap you'd need is the M12x1.25 like # PTW8662. The thread tap route is the best route for cleaning out weld nuts so you are on the right track!

expert reply by:
Jameson C

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