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<p>[QUOTE=&quot;KingofThings, post: 178247, member: 468&quot;]Two options.</p><p>Firstly though...there seems to be a lot of meat to the sides of them yet so...</p><p>1) Clamp it perfectly vertical in a drill press and drill with successive sized bits, don&#039;t go straight to the one you need.</p><p>Put something soft yet firm in the clamping jaws first such as leather, rubber...whatever.</p><p>Successive steps should cause less damage and is less likely to catch and unclamp it causing spin and damage to the outer threads. Rotary screw/diagonal helix type burrs could size it too by also stepping up since this is brass...I think.</p><p>The right sized router bits may work as well but they are usually not the screw/diagonal helix type.</p><p>Then tap it to:</p><p>&gt;directly take a larger bolt size or...</p><p>&gt;use Helicoils to make it 1/4-20 again. Helicoils usually stay in place but this is meant to pivot so you may need to use the permanent Loc-tite for them, not the removable one.</p><p>2) I believe there is a Loc-Tite product that forms new threads.</p><p>Have fun! <img src="styles/default/xenforo/smilies/smile.png" class="mceSmilie" alt=":)" unselectable="on" />[/QUOTE]</p><p><br /></p>

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