Woodscrews - 15mm vs 16mm
Discussion
I need to buy some slightly larger (in diameter) woodscrews to re-assemble a 20 year old teak and aluminium outside table. The screws that came out were 15mm - measured with some digital callipers with a flat battery - I've ordered a replacement battery, so will confirm the length 100%. The screws hold the teak planks to the aluminium frame and they're screwed in from underneath. Screws that are too long will penetrate the top surface of the wood and ruin the surface of the table.
However, it looks like there is a wide choice of sizes in 16mm screws. My current thinking is regardless of whether the current screws are 15mm or 16mm, I should buy 16mm screws in a couple of sizes, work out which ones are slightly bigger than the ones that I've removed and then using a flap disk on an angle grinder I can shave off the pointed 1mm on the end. There are only about 40 screws to do, so with a relaxed approach to health and safety this should only take me about 10 - 15 mins. The other piece of logic being that no new holes need to be made, the screws are going back into existing holes.
Am I missing anything here, or does the above make sense, or is there a different approach that I've completely overlooked?
However, it looks like there is a wide choice of sizes in 16mm screws. My current thinking is regardless of whether the current screws are 15mm or 16mm, I should buy 16mm screws in a couple of sizes, work out which ones are slightly bigger than the ones that I've removed and then using a flap disk on an angle grinder I can shave off the pointed 1mm on the end. There are only about 40 screws to do, so with a relaxed approach to health and safety this should only take me about 10 - 15 mins. The other piece of logic being that no new holes need to be made, the screws are going back into existing holes.
Am I missing anything here, or does the above make sense, or is there a different approach that I've completely overlooked?
Out of curiosity, I’ve just measured some metric 16mm screws (Mitutoyo digi callipers, working battery;)), the smallest was 16.3mm; some imperial 5/8’’ screws the smallest was 15.4mm.
I’d buy some 16mm ones, try one, if it looks like coming through, grind off the tip as said above, though I doubt the makers of the table were working to such fine tolerances.
I’d buy some 16mm ones, try one, if it looks like coming through, grind off the tip as said above, though I doubt the makers of the table were working to such fine tolerances.
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