I wouldn't leave the originals there....

by Russ Kepler

I'd drill those holes and tap them to fill them, then drill new clearance holes using an drill if there's mostly old material, an endmill if you're starting in the fill. If you use permanent Loctite to glue the screws you fill with they'll stay for the machining, without you'll just break an endmill or drill. The reason for filling the old hole is to make sure that you have enough area for the gasket to seal.

If you really want to risk it w/o filling you have to use an endmill to take the material out, a drill will really want to wander off and break.

Posted on Nov 22, 2017, 12:45 PM

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  1. That's not bad advice.... Doc Nickel, Nov 22, 2017
    1. Figured it'd be something like that.. Tohri, Nov 22, 2017
      1. HSS.... Hazzert, Nov 23, 2017
      2. Never carbide by hand. Russ Kepler, Nov 26, 2017

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