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These are good methods, choose the right one for the job. The method I use, which has only ever failed once in 30 years, is to use a small (Apex) screwdriver bit mounted in a bench drill. The screwdriver bit needs to be a good fit in the screw slot. Place it under the drill, then while pulling down on the feed lever, engage the bit in the slot and rotate the chuck by hand. You might find the back end of the chuck key, inserted into one of the normal chuck key holes is a good tool to apply the required turning force. Do NOT switch the drill ON.
Make a "Marble" Table From Concrete W/ Torched Wood Base
Love it !Superb!
Thanks for the idea.You can also make your own self-locking nuts by sawing half way through the side of the nut, towards the centre, so that the sawcut is parallel to the face of the nut. You then hammer the saw cut closed. The top half of the nut will grip the thread as it tries to spring back to it's original position. On large nuts, the saw cut can be nearer to the top of the nut, rather than half way down.
Use a wire brush to remove the rust flakes, then soak the nuts in vinegar. Build a dam aound the nuts with plastiscene and pour the vinegar around the nut. Leave for several days. Repeat if necessary, using the wire brush between sessions.Jack-Surrey
You would need an extremely hot oven. Don't forget the parts have to be red hot.
Thanks for posting this Instructable Mr. Craftsman
Yes, but the technique is different. There are products on the market that will solder aluminium, but they are expensive and need a lot of experience to do a good job. The biggest problem is: melting the solder without melting the workpiece.
Some good ideas there about how to remove a screw. My own way is to place the item under a drill press, with a screwdriver bit in the drill chuck. Press down on the chuck handle,then insert a shaft into the holes in the chuck and while pressing hard, undo the screw by turning the chuck by hand.You can also try heating the screw head with a soldering iron, which cause the screw to loosen its grip.Another idea, for impossible screws is to weld a rod to the screw head, then extract rod and screw together.
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Another way is to print your mirrored pattern on transparent acetate sheet. Then apply it, face down, to the wood and squeegee it all over with a credit card, or similar.You do need to make sure it doesn't move, so I use sticky tape to hold it in place. On some surfaces, you may need to do it twice, making sure the two patterns line up, which isn't difficult, because the sheet is transparent.Since the inks doesn't get absorbed by the acetate sheet, you can use the same piece over and over again, by just rinsing it under the tap.