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I was fitting some window boards Yesterday which were eight and three quarters of an inch in width, one of the windows had reveals which were eight and a half inches deep which left me with a horn on the board which was only a quarter of an inch. I decided to rip a strip one inch wide from a left over piece of the same stock, i drilled pocket holes in the bottom of the window board for one and a quarter inch pocket screws. I then ran a bead of glue on the edge of the board and joined the two pieces with pocket screws. Big deal you might say but what i noticed when driving the screws was that when i got glue squeeze out it was my signal to stop driving the screws. This i found is especially handy when using an impact driver to drive pocket screws, especially an 18v lithium impact driver. It's very easy to over drive a pocket screw with one of these powerful drivers. Has anyone else noticed this? Not only does the glue strenghten the joint but it can also act as a clutch on an impact driver! 

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Definitely you can strip out a pocket screw with an impact driver.  You can even bust screws if they don't strip first.  A better tool for driving pocket screws is a DRILL - DRIVER with an adjustable torque setting, but without one of them, your way of watching glue squeeze out is a good one!

I use De Walt impact and the trick I learned is listen to the ratcheting it just has a different sound when driving and reaching the point of setting screw,It is hard to explain but if you get used to it it is very easy tool to use

Jens, you are right that all Impact Drivers have two-stages.  The first is a high speed drill motor, the second is the rotary impactor. 

Never thought of using it ... I'll have to try it ... see if I can master the technique without stripping the threads.  

Just go slow on trigger until you hear the torque setting in

Rick said:

Jens, you are right that all Impact Drivers have two-stages.  The first is a high speed drill motor, the second is the rotary impactor. 

Never thought of using it ... I'll have to try it ... see if I can master the technique without stripping the threads.  

I use a 12 volt impact driver for pine and, like others have said, I watch the turning speed and listen for the ratchet sound before I ease off on the trigger. The 12V driver is tiny and very light and it is one of my most treasured tools.

A comment about the use of glue. Sure its a great indicator of the closing of the joint. However, it's main use is for additional strength particularly where the product is subject to creep - such as chairs, beds and items taking a daily battering. Why? Because the screw is nothing more than a circular wedge and frequent movement will work it loose. Glue stops that. I think Kreg should consider emphasising this point.

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