Woodworking Tips & Techniques: XT Screws

I can’t tell you how many times I have lamented to my wife something along the lines of ” Man, I wish I had the patent on that…………, I would be a millionaire by now”. Some of the items that could fill in the blank, would be the “wire tie or zip tie as some call it, or the sheet rock screw.  It seems that every week someone comes up with a different and unique use for these products. And yes I as guilty as everyone else, I often use both products for things never intended by the inventor. 

I have used sheet rock screws for everything sheet rock screws Woodworking Tips & Techniques: XT Screwsfrom hanging sheet rock, to securing plywood to the subfloor of our kitchen upgrade, to securing sides of the cabinets in our kitchen and bathroom vanity together.  And for the most part, I have been happy with the results. While the sheet rock screws really work great in securing sheet rock to wood studs, they are not the ideal fastener when used on other projects. I can’t tell you how many times I have driven a sheet rock screw into something a little harder than a conventional framing stud, only to have the screw head shear off.  If I was lucky the head broke off either below the surface of the wood, or high enough that I could extract the broken screw without destroying the surface of the wood.  Believe me, I wasn’t always lucky.

I think that a lot of us automatically turn to the ever present sheet rock screw is the pure fact that they are readily available and are not expensive.  Take a trip to your favorite DIY super store, and you will find at least a quarter of an aisle dedicated to sheet rock screws. That in itself speaks to the popularity of the sheet rock screw. Again, ” Man, I wish I had the patent on that……….”  But all kidding aside, depending on your application, there are better options for fasteners then the sheet rock screw.

The common sheet rock screw is designed to fail at a torque rating of 25-30 in/lbs, or 2-3 Ft/lbs of torque. When you apply a torque greater than these values the screw head will normally shear off.  Considering the amounts of torque that the newer impact drivers and screw guns can develop that really isn’t a lot of torque. If you’re not familiar with the terminology, torque is simply a measurement of how much twist you can apply to a fastener before it fails. The greater the torque rating, XT screw 200x200 Woodworking Tips & Techniques: XT Screwsthe more twist you can apply.  

A better option might be to switch to the use of what is known as production or Extra Torque(XT) screws .   These screws have a torque rating of 40-55 in/lbs or 3.5-5 Ft/lbs of torque, almost twice that of the sheet rock screw. Another advantage of the XT screw is that the traditional Phillips head on the sheet rock screw has been replaced with a square head, that means less cam out, the official term for stripping the head of the screw. This is the same type head used on several varieties of deck fasteners and the Kreg Pocket screws.

If you are working with hardwoods, it has always been recommended that you predrill and use a screw lubrication before you drive the screws into the wood. Now there is another option.  While it is still recommended that you predrill the screw holes, The change is that instead of lubricating the screw,149469 200x200 Woodworking Tips & Techniques: XT Screws you can elect to use what is known as a Unplated dry Lube screw. These screws are coated with a dry lubrication during the manufacturing process.  This coating reduces the amount of torque required to set the screws, which again equates to less broken or cammed out screws. This dry lubrication also offers some protection from corrosion. The manufacturer recommends that these screws are for internal use only.

There is one more option that I intend to use, on our on going bathroom upgrade. That is if and when we ever get a weekend without rain or snow.  Part of this upgrade will be to install new trim around the existing bathroom window.  I intend to replace the entire window trim package, that will includes the trim, sill, and the jam extenders.  In the past, getting the joint between the vertical trim pieces and the window sill tight has always been a real challenge.   In the past I have used shims under the sill to force it up and into the vertical trim pieces.  Sometimes this works, other times not. trim head screws 200x200 Woodworking Tips & Techniques: XT Screws I have also tried to shoot finish nails from under the sill into the vertical trim, but these nails just don’t have the holding capabilities needed. My new choice will be to use Trim Head screws.  These specially designed screws have a thin shank, and a square head.  When driven into your material the small head will sink below the surface of the wood, much like a properly set finish nail.  Ideal for installing trim, cabinet backs and according to the manufacturer even into stair treads. The other advantage is that if the fit isn’t just perfect, you can back the screw out and adjust the fit of your project, something that you can’t do with a finish nail without damaging the surface of the wood.

So while I would still would love to have the patent rights to the sheet rock screws (if anyone is offering), I now understand that they are not a miracle product that will work in every application.   I am not going to throw away or discard my collection of sheet rock screws, but instead will supplement them with a good selection of the XT and trim head screws.  And yes, I would like to add these screws to that list of products that I wish I had the patent rights to.  Yeah I know, dream on.

For more information on or to purchase any of the products discussed in this post, please click on the highlighted links and images in the post.

 

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Woodworking Tips and Techniques – Coping Trimwork

I had every intention in the world of getting back into my shop this weekend and work on the mirror for the bathroom renovation.  However, I think I may have found a new version of total frustration.  I have been out of town for the past couple of weeks on business, so I had really wanted to spend this weekend in the shop. That was not to be, we woke this morning to an old fashion Nor’easter.  For those of you who do not live along the Northeast corridor of the United States, that’s a major storm that dumps impressive amounts of snow on the area.  There are several drifts between our house and the shop, that are at least 4 feet tall.  So one more week end that I will have to find other things to keep me out of trouble.

While I can’t give you the update I wanted to, I would like to pass along an idea I saw on one of the DIY shows on television.  In an earlier post I remember talking about coping trim when it goes into a corner. Well here is a updated method that makes so much sense that all I could say is ” Now why didn’t I think of that?”

Whenever you are installing molding into an inside corner, the best method is to cope the joint where the pieces meet rather than try to miter it.  Mitering simply doesn’t work very well because the corners are very seldom at a true 90 ° angle.  Coping involves running one piece of trim all the way into the corner, the end of this piece is cut stJet Compound Miter 300x300 Woodworking Tips and Techniques   Coping Trimworkraight.  The profile of this first piece is then cut into the end of the piece that connects to it.

The method of cutting this profile is really simple.  If for instance we wanted to cut a profile on the right hand end of a piece of trim we would do the following. We would cut the 45 ° miter on the right end of the stock. The miter saw would be adjusted so that the we cut a right hand miter ( adjustment arm of the miter saw to the left, as you face the saw), and the stock would be held vertically against the back of the miter saw. 

Taking the stock from the miter saw, we would remove all of the stock to the right of the leading edge of the miter with a coping saw.  To help determine the leading edge of the miter, the edge of the miter was always darkened with a pencil.  Even with the pencil line, it has always been difficult to determine where to cut and where not to. 

The trick I saw helped clear this up.  Simply place a piece of either the blue or green painters tape over the end of the stock. Make sure that the tape runs completely through the area where you intend to cut the miter.  Then simply cut the miter as we previously did.  When you cut the miter you will also be cutting through the tape. Now instead of wondering which material to remove, simply remove all of the material to the right of the end of the tape.  No more guessing, or fussing with a pencil.  Just a great idea that makes sense.  Why didn’t I think of that!!!

For more information on or to purchase any of the products discussed in this post, please click on the highlighted links and images in the post.

 

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