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Jon and V Boat Conversions & Modifications
60's Sportsman runabout
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<blockquote data-quote="bobberboy" data-source="post: 157769" data-attributes="member: 1417"><p>A countersink tool or bit is used typically with flathead screws in wood to - countersink - them. As you can see from the pic, the bit will drill a "V" shaped hole into the material allowing the flathead screw to be flushed with the top of the material. You would just drill the countersink deep enough to flush the screw or deep enough to accept a filler of some kind if you wanted the screws covered. In my case I just drilled enough to widen the hole on the outside surface so the "V" shaped hole would effectively lock the epoxy in place.</p><p></p><p><img src="https://i876.photobucket.com/albums/ab322/krame023/countersink.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>I paid just under $10 for the little drill set. I got it because the holes are so small and an angle grinder would have been overkill. It worked really well but was a little coarser than need be. I still have to go over the whole thing once more with a fine grit of some kind so the grinding marks should come out.</p></blockquote><p></p>
[QUOTE="bobberboy, post: 157769, member: 1417"] A countersink tool or bit is used typically with flathead screws in wood to - countersink - them. As you can see from the pic, the bit will drill a "V" shaped hole into the material allowing the flathead screw to be flushed with the top of the material. You would just drill the countersink deep enough to flush the screw or deep enough to accept a filler of some kind if you wanted the screws covered. In my case I just drilled enough to widen the hole on the outside surface so the "V" shaped hole would effectively lock the epoxy in place. [img]https://i876.photobucket.com/albums/ab322/krame023/countersink.jpg[/img] I paid just under $10 for the little drill set. I got it because the holes are so small and an angle grinder would have been overkill. It worked really well but was a little coarser than need be. I still have to go over the whole thing once more with a fine grit of some kind so the grinding marks should come out. [/QUOTE]
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Jon and V Boat Conversions & Modifications
60's Sportsman runabout
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