Breaking loose screws

How about a regular Allen wrench, with some sort of a piece of pipe slipped over it to use as a cheater bar? So basically, you would be extending the handle for more leverage.

 

Probably going to break or strip before they move unfortunately.

 

You could try a hand impact. The kind that you hit with a big hammer.

I have one that takes a 3/8 drive and has some weight behind it.

The combination of hitting it jars the screw along with keeping the torcx bit seated in the screw.

 

If that doesn’t work buy some reverse drill bits.

I spent 60 hours removing a irreplaceable rub rail on a 45 foot sailboat I restored .


Half the 150 screw I had to remove stripped out but when I drilled them with the reverse drill bit they came out once they were half drilled.

 

Pneumatic impact wrench 3/8 drive is heavy enough. Will need a good quality hardened bit. Removing old screws is ussually a lost cause. Cut the old wood between the crossmembers, cutoff the old screws and drill new holes for new screws in your new boards. Mark your old screw locations so you dont drill into an old screw. They will not drill.

 

Are the deck screws into aluminum or steel?
On my Reitnourer, I had good luck with a 1/2" steel rod held with vice grips. Three good whacks with a BFH on the head of the screw and all but eight I got out and was able to use the factory holes. Once the bond of the dissimilar metals was broken I could tease them out with little problem.

 

3 Best Screw Extractors (2020) | The Drive
Best Screw Extractors: Remove Stubborn Screws
Oct 09, 2019 · Many mechanics have struggled to remove old, rusted, or damaged screws from a vehicle. Damage typically occurs when a screw has been in the system for a long time and starts to wear out.

 

Most of the time those screws are self tapping with a fine thread. Once they go in they will not come back out without twisting off.
You will have to let them break, remove board, grind the screw stub level with the crossmember and use the same type screw new. Drill them in a 1/4 inch or so away from the original.

 

Do not waste your time. Either torch the head off or push the board up with a port a power. Then torch flush and drive them down and out. Try to reDrill holes offset.

Don't waste your time trying to remove old bolts.