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10 Best Carpentry Squares

6696 Reviews Scanned Last Updated: Aug 6, 2020
10 Best Carpentry Squares Cover
A carpentry square has a triangular shape. It is a tool widely used in framing and woodworking. It is also used in tile work. Carpentry squares are also known as rafter squares, rafter angle squares, as well as triangle squares. If you want to buy the best carpentry square, you need to read this guide carefully. Read on!

Mostly, they are made of steel, aluminum, and wood. There are many features in a carpentry square, which are used to measure and cut materials in an easy way. The type of square you buy mostly depends on the type of job you will do.

It likewise depends on your personal preferences. They mostly come in steel, aluminum, and plastic material. Therefore, choosing the right material is important.

#1 Swanson Tool S0101 7 Inch Square

I bought my husband an expensive set of tools or tidied up his car, and he hardly noticed. I bought him a $9 speed square, and when he flipped through the blue book, he could hardly control his happiness. I don't know. I don't know. I just don't know. But he loved it. Say it feels strong, and the blue book alone is worth buying.

  • Description:Swanson Tool S0101 7-inch Speed Square Layout Tool with Blue Book
  • Brand:Swanson Tool Co., Inc
  • Manufacturer:Swanson Tool
  • Item Weight:8 ounces
  • Product Dimensions:1 x 8 x 8 inches
  • Size:7-Inch w/Blue Book
  • Color:Blue
  • Style:7-Inch
  • Material:Aluminum
  • Measurement System:Metric

Features:

  • Speed squares belong to each merchant's tool table; includes trial squares, miter squares, saw blade guides, scribing machines and protractors
  • Speed Square, made in the United States since 1925, is a must for every carpenter, construction professional, roofer and DIYER
  • Includes the pocket-sized Swanson Blue Book, which is a comprehensive guide to help workers cut any sloping roof at the right angle.
  • Includes gradients for marking ordinary, flat tops, valleys and jacks; for determining and marking angles and for square cutting on boards
  • Features: 1par 4 inch spaced scribing grooves and diamond notches for easy cutting of crossbeam seats and engraving the most common and popular stud width

#2 Tools Combination Square Metal Body 1794469

The blade on it is clearly marked. The edge is so flat that the blade is almost sharp. There is a tinker Bell at one end of the blade (looks like it hit the grinder). It's square (that's why I have to replace my old combination square!) 。 The only real complaint I have about this use is that if you remove the blade completely, it is quite troublesome to get the grooves and clamping screws on the blade to be properly aligned to reassemble it. If you are a person who often removes the blade or flips it to switch between metric / imperial units, you may not like the square.

  • Description:Irwin Tools Combination Square, Metal-Body, 12", 1794469
  • Brand:IRWIN
  • Manufacturer:IRWIN
  • Item Weight:14.4 ounces
  • Product Dimensions:5.51 x 12.4 x 0.79 inches
  • Size:12-inch
  • Color:Blue
  • Style:Regular Combination Square
  • Measurement System:Inch
  • Certification:(unset)

Features:

  • Durable cast zinc body
  • Black precision scale
  • Very suitable for 90 °and 45 °marks
  • Rust-proof stainless steel blade
  • A gauge that can be used as a transfer measurement.

#3 Johnson Level Tool CS5 Aluminum

This is not a fragile frame square. It has done so well that its purpose can be achieved in many years. The marks are well etched, and when my mechanic arrives, I will check the squares and I will update any differences. Update: check with my mechanic box, this thing is right. There is only a tiny gap of 90 degrees outside. I'm impressed. The best $10 frame square I've ever seen

  • Description:Johnson Level & Tool CS5 16-Inch x 24-Inch Aluminum Framing Square
  • Brand:Johnson Level & Tool
  • Manufacturer:Johnson Level & Tool
  • Item Weight:8 ounces
  • Product Dimensions:3.2 x 2.5 x 2.6 inches
  • Size:Pack of 1
  • Material:Aluminum
  • Measurement System:Metric
  • Warranty:1 Year Warranty: Johnson Level warrants this product against defects in material and workmanship for one year after the confirmed purchase date. At its option, the company will replace or repair the product if it fails under normal use.
  • National Stock Number:5210-01-365-0059

Features:

  • Diplomas and figures with permanent seal
  • Aluminum body won't rust.
  • The scale units are 1max 8 ", 1ax 10", 1ax 12 ", 1max 16".
  • Including octagonal scale, roof eaves platform, support platform and board foot platform

#4 Mr Carpenter Woodworking Carpentry Combination

I want something to help me with some carpentry projects around the house. Although I would never be a beam in a house, I found that these squares could do what I needed them to do. So far, I've used them to build a terminal table and a bookshelf, and they work perfectly. It's great to have two in a bag, because I tend to put my tools in the wrong place at work, so I always put one nearby. They are light in weight and easy to operate with a piece of wood in one hand. You can't exceed the price of 2! Perfect for every garage or lumber store.

  • Description:Mr. Pen Metal 7 Inches Rafter Square, Carpenter Square, Pack of 2
  • Brand:Mr. Pen
  • Manufacturer:Mr. Pen
  • Item Weight:11.2 ounces
  • Package Dimensions:8.9 x 7.9 x 0.3 inches
  • Material:Aluminum
  • Measurement System:Inch

Features:

  • Made of rust-proof and weather-resistant aluminum alloy
  • One set of 2 rear (7 inches)
  • Multi-functional square tools: Mark squares and 45-degree lines, protractor saw blades, find out the inclination of the roof, etc.
  • Comes with a free e-book and a quick guide
  • An accurate and smooth graduation project is very suitable for roofers, builders and carpenters.

#5 Swanson Tool T0118 Speedlite Square

If you're looking for a square, you're in the wrong place. This is, in fact, a triangle, but I'm no quitter. So, I went back, bought another triangle, and put them together. Clearly this was how the product was meant to be used

  • Description:Swanson Tool T0118 Speedlite Square Layout Tool, Orange, made of High Impact Polystyrene
  • Brand:Swanson Tool Co., Inc
  • Manufacturer:Swanson Tool
  • Item Weight:3.2 ounces
  • Product Dimensions:32 x 8 x 1 inches
  • Size:Pack of 1
  • Color:Orange_Swanson Tool T0112 Speedlite Square Layout tool, Orange, Made of High Impact Polystyrene
  • Finish:Orange
  • Material:Plastic
  • Measurement System:Metric

Features:

  • Centerline (Chand L) guideway for center positioning of round billet
  • The size of 8 inches is very suitable for making wallboards.
  • Construction of lightweight and high impact structural composite materials
  • Beveled edge, easy to read
  • A 1-stroke 8-inch pitch groove for marking

#6 Tools Combination Square Metal Body 1794468

The IRWIN combo box is the top notch of the tool. This is for people who really use them. I bought this little box to use in my LIL store, mainly to help set up the machine. Because it is very small, it suits this very well. I tried, but I couldn't find anything negative, and some of the people who wrote the comments went a little too far (in my opinion). I mean, really? This square lays a perfect square measurement. If you're looking for microns. I mean micron measurement, so I don't have an answer for you. The numbers are well carved and clear and easy to understand. It's compact and sturdy. This is a carpenter's partner, and I recommend it to anyone who is simply looking for a good, reliable square. This will continue until you do so.

  • Description:IRWIN Tools Combination Square, Metal-Body, 6-Inch (1794468)
  • Brand:IRWIN
  • Manufacturer:IRWIN
  • Item Weight:0.01 ounces
  • Product Dimensions:3.83 x 6.75 x 0.59 inches
  • Size:6-inch
  • Color:Blue
  • Style:Regular Combination Square
  • Material:Metal
  • Measurement System:Inch

Features:

  • This combination box adopts cast zinc fuselage and is durable.
  • The black precision etching ruler on this combined square provides accurate 90 °and 45 °readings.
  • Stainless steel blade, sturdy and durable.
  • 6 "length

#7 WORKPRO Combination Die Casting Carpenter Zinc Alloy

It works as expected, and the combination of squares is very good. On the project I bought, I used it more often than expected. This will cost more in a hardware store as a set.

  • Description:WORKPRO Speed Square and Combination Square Tool Set, 7 IN. Aluminum Alloy Die-casting Carpenter Square and 12 Inch Zinc-alloy Die-casting Square Ruler Combo (Rafter Square Layout Tool)
  • Brand:WORKPRO
  • Manufacturer:HANZGHOU GREATSTAR INDUSTRIAL CO.LTD
  • Item Weight:1.54 pounds
  • Product Dimensions:13.98 x 5.71 x 1.97 inches
  • Color:Blue
  • Material:Steel
  • Measurement System:Inch

Features:

  • Clearly recognizable scales-eaves square finish has the characteristics of low glare and protective powder coating. It has a permanent deep mark and white scale to maximize readability under any lighting. The combined square stainless steel ruler has deep etching scale, high clarity and durability.
  • Durable material-speed square is made of large-size aluminum alloy die-casting, long service life and high measurement accuracy. The composite ruler itself is made of zinc alloy die-cast, with a steel ruler made of stainless steel, the surface is matte.
  • Wide versatility-easy-to-read horizontal bottles and metal scratches on the side of the combination ruler increase the utility and versatility of the product. The speed square can be used as a guide for crosscutting wood. They all work accurately at an angle of 90 or 45 degrees.
  • The user-friendly lip fence allows you to easily support a speed flush with the wood square, creating a straight or angular line proportional to the edge of the wood. The combined square spring screws make it easier for you to disassemble the stainless steel ruler, and the smooth ruler is easier to slide for your measurement.
  • Multi-scale-7-inch speed square has a variety of scales, combining the characteristics of border square, test square, bevel square and angle ruler square. The combined square has a 12-inch stainless steel ruler with three minimum scales: 1 mm 16 ", 1 mm 32" and 1 inch.

#8 VINCA SCLS 1208 Carpenter Framing Measuring

Heavier and thicker than I expected. Great qualities and perfect daily use and special activities. When measuring and cutting fabrics, I mainly use it to sew. Very happy to buy!

  • Description:VINCA SCLS-1208 Carpenter L Framing Square 8 inch x 12 inch Measuring Layout Tool
  • Brand:VINCA
  • Manufacturer:Clockwise Tools Inc.
  • Item Weight:9.6 ounces
  • Product Dimensions:8 x 12 x 0.1 inches
  • Size:8 inch x 12 inch
  • Color:Silver
  • Material:1cr13 hardened steel
  • Measurement System:Inch

Features:

  • Higher quality 1Cr13 quenched steel, durable
  • Size: 8 "x 12"
  • Front and back measurable designs in inches
  • Finished product calibration of durable punch
  • Complete antirust treatment

#9 Steelex D3383 Precision Square 4 Inch

I watch a lot of tutorials, read a lot of “how-tos” and reviews on equipment. Always kinda figured I didn’t need one of these. I held off ordering for months (although I don’t know why, principle I would guess) and finally dug into the kids college fund to finance this shiny steel accessory. When my video doorbell told of its arrival my heart skipped a beat, I finally own a steel “L” called a square. I could not get my table saw, miter saw, tri-square (also not shaped like a square) and framing square out and dusted off fast enough. I set out to prove my many botched pieces of wood were due to faulty equipment. Oops. The two squares are, as you can guess, square indeed. I set out to check on my saws next. Now we have some challenges. After a bit of fiddling this tiny but herculean piece of precision tells of saw blades ever so slightly out of alignment. I make adjustments, finish a cold adult beverage, make some more adjustments, and lo and behold, square blades! Or at least blades square to tables and fences and stuff. This square, although tiny, is perfect for the purpose. It fits neatly into the equipment to check on tolerances and its heft makes it very stable. I have made 15-20 cuts with the saws since alignment and the cuts (with the exception of my error) are superior in every way now. Wish I would have purchased a long time ago…

  • Description:Steelex D3383 Precision Square, 4-Inch
  • Brand:Steelex
  • Manufacturer:Steelex
  • Item Weight:1.6 ounces
  • Product Dimensions:6.5 x 4.1 x 0.2 inches
  • Size:4-Inch
  • Material:STEEL
  • Measurement System:Inch
  • Warranty:1-Year Warranty

Features:

  • 4 "blade and 3" beam
  • Achieve accurate 90-degree layout and machine settings
  • The accuracy of blade edge and beam surface is ±0.0006 ".
  • Quenched and tempered polished steel
  • Inside grooves for improved accuracy

#10 Swanson Tool S0101CB Square Combination

Looks like a good deal. Both tools are square (checked by drawing a line and flipping the tool), which is probably the most important requirement when you look at a square. Speed Square looks good. I like these groves to help you row a plank. The combined box is actually of very low quality, but it can work. Graduation ceremonies seem to be painted on it. I don't think they've been etched a lot, if that's the case. The sliding action is very sticky and the edges may require a slight amount of sand. I am satisfied with both tools because they look like they will last for a while and are useful to me as a non-professional amateur.

  • Description:Swanson Tool S0101CB Speed Square Layout Tool with Blue Book and Combination Square Value Pack
  • Brand:Swanson Tool Co., Inc
  • Manufacturer:Swanson Tool Company, Inc
  • Item Weight:1 pounds
  • Product Dimensions:1 x 8.5 x 8.5 inches
  • Size:6-Inch
  • Color:Black Gradations
  • Style:6" Combo Sqr VP
  • Material:Aluminum
  • Measurement System:Imperial

Features:

  • Whether you are a novice or a professional, KIT is an ideal choice for roofing work.
  • Including: speed square, 6-inch combination square, blue book
  • Speed square function test square, miter square, saw blade guide, line scribing and protractor
  • Speed Square, made in the United States in 1925
  • Including the eaves length and roof structure of the pocket Swanson Blue Book

Product Compare

# TOP 1-Swanson Tool S0101... 2-Tools Combination... 3-Johnson Level Tool... 4-Mr Carpenter Woodw... 5-Swanson Tool T0118... 6-Tools Combination... 7-WORKPRO Combinatio... 8-VINCA SCLS 1208 Ca... 9-Steelex D3383 Prec... 10-Swanson Tool S0101...
Product Swanson Tool S0101 7 Inch Square Thumbnail Tools Combination Square Metal Body 1794469 Thumbnail Johnson Level Tool CS5 Aluminum Thumbnail Mr Carpenter Woodworking Carpentry Combination Thumbnail Swanson Tool T0118 Speedlite Square Thumbnail Tools Combination Square Metal Body 1794468 Thumbnail WORKPRO Combination Die Casting Carpenter Zinc Alloy Thumbnail VINCA SCLS 1208 Carpenter Framing Measuring Thumbnail Steelex D3383 Precision Square 4 Inch Thumbnail Swanson Tool S0101CB Square Combination Thumbnail
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Manufacturer Swanson Tool IRWIN Johnson Level & Tool Mr. Pen Swanson Tool IRWIN HANZGHOU GREATSTAR INDUSTRIAL CO.LTD Clockwise Tools Inc. Steelex Swanson Tool Company, Inc
Item Weight 8 ounces 14.4 ounces 8 ounces 11.2 ounces 3.2 ounces 0.01 ounces 1.54 pounds 9.6 ounces 1.6 ounces 1 pounds
Product Dimensions 1 x 8 x 8 inches 5.51 x 12.4 x 0.79 inches 3.2 x 2.5 x 2.6 inches - 32 x 8 x 1 inches 3.83 x 6.75 x 0.59 inches 13.98 x 5.71 x 1.97 inches 8 x 12 x 0.1 inches 6.5 x 4.1 x 0.2 inches 1 x 8.5 x 8.5 inches
Is Discontinued By Manufacturer - - -
Size 7-Inch w/Blue Book 12-inch Pack of 1 - Pack of 1 6-inch - 8 inch x 12 inch 4-Inch 6-Inch
Color Blue Blue - - Orange_Swanson Tool T0112 Speedlite Square Layout tool,... Blue Blue Silver - Black Gradations
Material Aluminum - Aluminum Aluminum Plastic Metal Steel 1cr13 hardened steel STEEL Aluminum
Measurement System Metric Inch Metric Inch Metric Inch Inch Inch Inch Imperial
Date First Available April 1, 2004 November 4, 2011 June 8, 2005 May 8, 2019 June 30, 2017 November 4, 2011 December 22, 2019 April 4, 2017 October 29, 2011 January 22, 2015
Support Prime
Price $9.98 $12.99 $8.79 $8.95 $4.98 $9.99 $19.99 $7.41 $9.19 $15.88
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Best Carpentry Squares Buying Guide

Fredrick Kidd
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The Ruler

The first side of this tool is marked in inches – just like the ruler. The second side of this tool has an elevated edge, which you can butte up to a wood piece or the workpiece of your choice. In addition, the third side is the longest side of the square, which has degree marking. You can use it with a miter saw.

Size

It is important to know that carpentry squares come in different sizes. However, the most common size is a 7-inch triangle. Most people also tend to buy a 12 inches triangle. The type of material and the size of your project will determine how large of a carpentry square you will need to purchase.

Material

If you are a framer and you work in places that are high above the ground, then you need to look for aluminum because it is very lightweight. In addition, if you work in a shop, you must take into consideration the steel squares as you don’t want to carry them around. Some users tend to go for extra weight while they perform the task of measuring and marking.

Plastic carpentry square is typically recommended – in case you don’t find other types of squares – or if there is limited availability on the market. Although light in weight, these types of squares have shorter life spans – especially in woodworking or in the construction field because they are prone to easy breaking.

Markings

This is also an important feature that you need to consider while buying a carpentry square. You will find squares that have stamped or printed markings. Well, to buy a carpentry square with stamped marketing will not fade or rub off after heavy use.

There are other features such as protractors, which are also very useful – when you deal with hard-to-draw shapes or circles while working and cutting. In addition, levels are useful for roof pitching as well as for finding a wide range of different angles.

Wrapping up, whatever material, size, or the price you buy a carpentry square in, it is important to take some time to test the tool to ensure the measurements are accurate. Lastly, you need to check for defects or warps in the metal as well – as this will make sure you get the most out of this tool.

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