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Wasn't using to much pressure on it either. Thought these might be better than easy-outs but are not. Broke on first bolt broken in aluminum transmission, drilled it out and reversed bit. Might be good for broken screws but not on bolts, even small ones. Sprayed the bolt and it was tight in there, kept trying for three days a little at a time, finally the bit broke.
It's the Pro Grabit by Alden. Have you ever stripped a screw head or bolt and needed to still get it out. I bought mine in early 2009 online. After trying with a different screw driver in a power drill, that screw stripped too.
It worked wonderfully. I have the 4-piece set which comes with a handy holder and instructions tucked in so you always know which size to use for your screw or bolt. It was a simple two step process, use one end to burnish the screw head, flip it over to extract the screw. I swear I'm not being paid for this endorsement. But I finally found a tool that works like you hope it would. I learned about it while watching the TV show "Cool Tools" on the DIY Network. The screws were in so tight I had to put my 18 volt DeWalt drill on it's highest torque setting to get the screws to budge, but the Pro Grabit held and did it's job.
It was worth every penny the first time I got to use it. Well I have several times and it's a pain in the butt. Today while I was trying to fix a broken tool, three screws were so tight that one screw head just stripped out and another broke my Phillips screw driver, both without budging. What an awesome tool. I thought I was SOL, until I used the Pro Grabit.
It's a job that requires the right tool, and the proGrabit was that tool. First time was on an old, rusted, stripped screw holding on a faucet handle. I surely would have caused a lot more damage to the walls trying to pry the counter off if not for the proGrabit bits. Forget all the negative reviews. Truth is, this is the kind of tool that simply has no equal. I've used these screw extractor bits twice. I also used it again today to remove a counter top that was secured by two 3" screws that had also been stripped. Worked like a charm.
Most of them can be attributed to either user error, extreme circumstances or a fluke. No amount of WD-40 or brute strength was working to get the screw out. No mess, no headaches, no swearing.You won't realize how valuable this tool is until you use it. The proGrabit bit into the screw and backed it out with hardly any effort.
I bought these and have tried 3 separate times, following the instructions, to remove screws with stripped out threads. Save your money and buy a dremel, that way you can just grind out the screw, or grind a groove in the screw and back it out with a flathead screwdriver, which is what I ended up having to do. on all occasions, i spent over 10 minutes trying to "burnish" the ends and then backing out the screws. in all cases, the tool did absolutely nothing except drain my drill battery.
I've only used it once and it worked. Even if it snaps off next time, it would still be worth it.
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