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El Motorola Moto Z Play (número de modelo XT1635-02, XT1635-01 y XT1635-02) es un teléfono inteligente droide que se lanzó en septiembre de 2016. El Moto Z Play se puede distinguir fácilmente por la palabra "moto" colocada en la parte superior y el botón de inicio cuadrado ubicado en la parte inferior de la parte frontal del teléfono.

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Drilling stripped screws out

Hi there, I have some T3 screws, at least it used to be until it's pretty much stripped.

I have try tipping the screwdriver with cyanoacrylate, hammering the screw head with a flathead screwdriver to create a slot, rubber band.

I'm seriously considering to drill the screw since some are recessed, so I can't dremel it.

Here are the specification of the screws.

1.38mm stem diameter

2.68mm head diameter

counter clockwise to unscrew

I'm considering to use a 1/16" drill bit.

Some questions I wanted to know the answers before proceeding.

Will some of the screw left behind so I can't install a new screw into the hole?

Does the rotation of the drill bit matter?

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Drilling the horribly damaged screws: You really have to start with the smallest drill bit you can find. Drill a small hole, run the drill slowly and be very careful to not break the bit or go too deep. Start really small because it might help save the threads. I had this happen with a repair I was doing, the screw was jammed and I could not budge it. I started out small, and straight (very important) and going slow and steady. I got the drill through the first time and tried to get a thin tapered piece of square stock in and it didn't grab, so I went with the next tiny size larger bit, and finally got enough of the screw removed so that the taper was able to back the rest out. The threads were nearly perfect, and a new screw fit and held. Just use patience, and do not go too big with the bit. Ruining the threads won't be repairable and you would have to glue the guts back in. Most big box hardware stores have really small drill bit kits, or Amazon. etc.

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Drilling isn’t for the feint of heart - be careful you don’t damage the PCB. However, it can be done if you take precautions. Cover the PCB with kapton tape so you can shake the shards off and blow on the board for good measure as well.

What you need to do is drill the screw out until it looks like the top is compromised - do 2-3 20-30 second runs (5-10 for mobile devices) to ensure it is truly broken off before going to the big bit, because you need this to break off cleanly to avoid damaging the PCB. Once the head is compromised, take the bit one size up and drill it until the head breaks off. Once you see it snap, stop or you WILL do damage to the PCB.

NOTE: If you use a modern 20V Lithium drill, cut the listed times in half - I still use a NiCd drill. The 20V Lithium drills are more torquey then old ones like mine, including 18V Lithium.

That’s all there is to it. You will never be able to get a screw in again (most likely), but you can remove the board. Only do this if it's not critical.

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Consider using an ez-out. It's like s drill bit but it's used in reverse, it screws in then backs out damaged screw.

Precision Screw Extractor Set

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Precision Screw Extractor Set

$24.99

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Haitham estará eternamente agradecido.
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