iGaging Combination Square Sets
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iGaging Combination Square Sets
iGaging Precision Combination Squares Are Must-Have Tools For Your Woodworking Shop!
Precision Combination Squares are one of the most useful tools you can have in your shop. Use them for project layout when marking, measuring and especially for transferring measurements from one board to another, making them virtually essential for joinery work. We consider the combination square a small step up from the traditional double square because of the additional precision miter head that allows you to quickly find and lay out miters. Take advantage of the ergonomically correct design to find a comfortable spot for your hand. Although it doesn't fit quite as easily in your apron pocket as our 4" double square, you'll find the 6" combination square will follow you around the shop with very little effort. Our combination squares feature an additional center finding head. Use this machined steel add-on to line up perfect 45° miters or to mark the center of round objects. The 12" set also includes an adjustable protractor head to mark angles other than 90 and 45°.
Our 6" and 12" combination squares each have 5/64" thick blades that make them stiff and durable, a trait not shared with inferior quality squares. Designed specifically for woodworking, each uses an R4 graduation with inches and fractions. The side of the rule with the groove features 1/8" & 1/16" graduations while the other side is marked with 1/32" & 1/64" graduation. This is handy because most of the time you'll be using the side of the square with the machined groove that allows the head to slide to any position on the ruler and remain square.
Features include:
- Precision machining allows the head to slide smoothly and remain square
- Made from high quality hardened stainless steel
- Non-glare satin chrome finish for easy reading
- Blades are machined and the hard etched markings are clear and easy to read
- Forged from cast-iron for precision and durability
- Included center-finding head for precision miters and finding center on round stock
- Custom fitted case included
- Included protractor head for finding angles from 0 to 180° in 1° increments (12" model only)
- Custom fitted case included
One of the most often asked questions in woodworking circles is “What’s the one tool in the shop that you can not live without?” For me the answer is easy, the 4″ double square. I always have it. I actually have three of them (yes, I know I have a problem), but its really so that whenever I need one I know where I can find one. And I always need one.
Squares are one of the most important tools for me in woodworking. I have multiple ones that all get used. I own a couple 4″ double squares, a 12″ combination square with an extra 24″ rule for it, a couple of precision machinist squares, a carpenter square, and you get my point. Every one of these is useful and needed for me. A majority of other woodworkers use the 6″ combination square as well (but at this stage I’ve admitted I have a problem and just said no, which means at some point I’ll probably buy one). Adjustable squares typically have two parts: The head and the rule. The head will have a knurl on it that you can then use to tighten down where you want your rule to be. The rule will have your measurements on it (either imperial or metric) and up to 4 different graduations.
What, you may ask, will you do with one of these squares? Well…let me kind of put it into a single word. LOTS. You will do lots with your squares. I use one for almost every layout I need to do. Dovetails layout: yup, I grab a square. Mortises and tenons layout: using my squares. Setting the height of a router bit: that’s a task for a square. You get my point. Every shop needs at least one, and you could probably use 10 different types.
Precision squares are great little tools to make sure your equipment and jigs all line up nice and square. Now while a precision square doesn’t have the versatility of an adjustable or combo square, its very tight tolerances and flatness make them perfect for the setting up of your table saw, jointers, fences, and jigs.
The combo square and adjustable square both give you the ability to perform many many tasks, so I’m going to walk you through a few.
The first and most obvious is to be able to check a workpiece for square. You can do this by placing it on a corner or edge and checking to see if any light comes through.
You can find center on a board edge with your combination square. First, draw a line perpendicular to the work face and then draw a 45° diagonal form those two points, where they intersect is your center. Now you can also use the ruler end to slide up to that center mark and have a way of marking center on all of your workpieces that need that layout measurement.
You can tell the true thickness of the workpiece by laying the material flat on a workbench and setting the head of your square on the workpiece and allowing the end of the rule to hit the workbench. This will tell you the thickness of your workpiece and after you tighten the knurl on your square, you can use this measurement to do any of the layout lines you need with that thickness. This can also be done to tell you the depth on a groove or how deep your mortise needs to be, which then allows you to mill up exactly the matching part.
You can set your router height by laying the end of the rule down on the table and raising the router bit up to the square’s head.
Need a line that runs parallel to the edge of your board? Well, that’s not too terribly hard with a square. Place your pencil or marking knife against the end of the rule and let it follow along with your square as you run it along the workpiece.
When choosing tools for your workbench, don't underestimate the humble square. A go-to tool!