With so many Best Double Square brands on the market – from big names like iGaging,Benchmark Tools,PEC Tools,UNIPEC,Arrow Fastener to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.
We carefully researched and tested a vast range of Best Double Square to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.
Our #1 best Best Double Square is iGaging Best Double Square, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best Double Square options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best Double Square tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!
Editor's Choice
iGaging 4" & 6" Double Square Set 4R Steel Blade High Precision Woodworking
Premium Pick
Benchmark Tools 106607 4” Woodworking Precision Double Square 1/8” and 1/16” Graduations
Budget Pick
PEC Precision Double Square - 6” Adjustable Machinist Square for Metalworking,Carpentry,
Top 10 Best Double Square
We researched and compared the top products in the Best Double Square category to provide you with these recommendations.
1. iGaging 4" & 6" Double Square Set 4R Steel Blade High Precision Woodworking
- Set of Double Squares 4" and 6" precision Double Squares
- 4" 4R blade with 2.5" base - 6" 4R blade with 3.75" base
- Blades: Heavy duty hardened, precision ground satin chrome blade
- Easy to read Marked increments
- Made to US Standard Accuracy and Squareness. Comes Storage Case, with foam insert.
2. Benchmark Tools 106607 4” Woodworking Precision Double Square 1/8” and 1/16” Graduations
- These handy double squares are indispensable for setting up machinery and for performing a host of shop layout tasks.
- They are manufactured in accordance with EEC Class 1 accuracy standards and are guaranteed to be square to within 0.002 (two thousandths of an inch) over the length of each blade.
- They have hardened and tempered no-glare satin chrome stainless steel blades. Blade marking are precision photo etched and then black filled for easy readability. Blades have quick reading graduation markings with 1/8th and 1/16th on both sides.
- Traditionally, the most common graduation markings used by woodworkers are 4R, or 1/8ths and 1/16ths on one side and 1/32nds and 1/64ths on the reverse. The fact is most woodworkers never use the finer 1/32nd and 1/64th markings as they are hard to read, too precise for most tasks, and just plain confusing, So, we had these squares made with the most commonly used 1/8th and 1/16th graduation marks on both sides.
- Square heads are cast and then precision machined. Square head color is Square heads lock down tight via locking knob.
- Specifications: Blade width: 0.728 +/- 0.01 ; Blade thickness: 0.078 +/- 0.008; Blade groove: 0.86 wide and 0.03 deep; Graduations: Woodworking Grads (1/8, 1/16); Head thickness: 0.472; +/- 0.02; Head width: 0.084 +/- 0.02; Head height: 2.36 +/- 0.02
3. PEC Precision Double Square - 6” Adjustable Machinist Square for Metalworking,Carpentry,
- Blade Length: 6 inches; Graduations: 4R (1/8, 1/16, 1/32, 1/64)
- Accuracy: Extremely high precision; Ideal for Precision Layout Work.
- Durable: All Blades Fully Hardened and Tempered.
- Easy-to-Read: High Contrast; Satin chrome Finish.
- Made in USA: The PEC Double Square is a professional-grade precision tool manufactured by Products Engineering Corporation, one of the last remaining American precision measuring tool makers.
4. Unipec Precision Double Square for Metal Working and Fabrication, Carpentry, Woodworking and Machine
- Precision Machined for Accuracy Crafted with hardened steel blades and finely ground edges for reliable 90 and 45 angles
- Durable Construction Rugged stainless steel or hardened steel body resists wear and corrosion for long-term use
- Adjustable Sliding Head Securely locks in place for versatility in measuring, marking, and checking squareness
- Ideal for Woodworking & Metalworking Perfect for machinists, carpenters, and DIYers who demand accuracy and quality
- Compact and Portable 4" blade offers a perfect balance of size and function for use in tight workspaces or tool belts
5. iGaging 4" Precision Double Square
- 4" 4R blade with 2.5" base
- Graduated in 8ths, 16ths, 32nds, 64ths
- Blade: Heavy duty hardened precision ground satin chrome blade
- Made to strict accuracy standards
- Permanent laser etched easy to read marked increments
6. Arrow Combination Square, 6-Inch Combo Square with Stainless Steel Ruler, Zinc Alloy Body and Bubble
- Multi-function: The combination square is widely used in woodworking, furniture making, and construction. It allows for precise length measurements, 45 and 90 angle marking, quick line drawing, depth and height measurements, and horizontal/vertical alignment. The built-in level bubble helps craftsmen accurately align components, preventing misalignment
- Stainless Steel Blade: Made from premium stainless steel, this 6-inch ruler features dual-sided metric and SAE markings with precision up to 1/16" and 1/32". It is highly durable, corrosion-resistant, and offers excellent readability, making it ideal for long-term use
- Textured Handle: This combination square has a zinc alloy handle, providing excellent wear resistance and durability. The bottom is equipped with a copper draw pin, which is securely screwed in to prevent loosening or falling off
- Easy to Use: Equipped with a brass screw, the handle of the combination square can move smoothly along the ruler and lock tightly at the required mark. Loosening the screw also allows the ruler to be used separately. This design offers more convenience for precise measurement
- Ideal Gift: This multifunctional combination square is a thoughtful gift for carpenters, craftsmen, and DIY lovers, offering both functionality and accuracy in a practical design
7. Benchmark Tools 388169 6 inch Precision Double Square 4R Graduations Accurate to +/- 0.002 inch Over
- These handy double squares are indispensable for setting up machinery and for performing a host of shop layout tasks.
- They are manufactured in accordance with EEC Class 1 accuracy standards and are guaranteed to be square to within 0.002 (two thousandths of an inch) over the length of each blade.
- They have hardened and tempered no-glare satin chrome stainless steel blades. Blade marking are precision photo etched and then black filled for easy readability. Blades have quick Reading 4R markings (1/64ths and 1/32nds on one side and 1/8ths and 1/16ths on the reverse.
- Square heads are cast and then precision machined. Square head color is cobalt blue. Square heads lock down tight via locking knob.
- Squares come in a cardboard box.
8. PEC Precision Double Square - 4 Inch Adjustable Machinist Square,Hardened Tempered Steel Blade,
- Blade Length: 4 inches; Graduations: 4R (1/8, 1/16, 1/32, 1/64)
- Durable, Easy to Read; Satin Chrome Finished Blades; Used Either as a Parallel or Double Square;
- All blades fully hardened and tempered for long-term durability.
- Extremely high precision; High Contrast, Micro-Fine Blade Graduations
- This Double Square is a professional-grade precision tool manufactured in by Products Engineering Corporation, one of the last remaining American precision measuring tool makers. Ideal for machinists, woodworkers, metalworkers, and craftsmen who demand exceptional accuracy and durability.
9. Starrett Reading Double Square with Satin Chrome Finish and Hardened Blade - 100mm Blade Length,
- Ultimate Precision - Achieve unmatched precision with our Double Square featuring a graduated blade. Whether you're a professional craftsman or a DIY enthusiast, this tool offers the accuracy you need for your most intricate measurements.
- Built for Versatility - With millimeter graduations on both edges of one side and millimeter plus 1/2mm markings on the reverse side, the square is incredibly versatile. It adapts to your specific needs, ensuring you can tackle any project with ease.
- Hardened for Durability - The hardened blade of this double square ensures durability and longevity. It's designed to withstand the rigors of daily use, making it a reliable companion for your precision tasks.
- Satin Chrome Finish - Not only does it perform with excellence, but it also looks the part. The satin chrome finish adds a touch of professionalism to your toolkit while providing corrosion resistance for long-lasting performance.
- Stay Level - The level vial on the base of this double square ensures that your measurements are always on the mark. Say goodbye to guesswork and hello to precise, level readings.
10. Woodpeckers inDexable Square System, 4 Inch Double Square, Feature Packed Woodworking Square
- 4 INCH DOUBLE SQUARE - You will receive the Mini inDexable 4 inch rule with double square head set. Comes with Rack-It (wall-mountable storage). Made in the USA.
- STAINLESS STEEL RULE - The rule feature sliding head support with an indexing system every 1 inch to lock the head in place, allowing for scribing. Laser cut scribing guide are built right on 1/16" centers. Laser engraved graduations so they won't ever rub off or wear through.
- DOUBLE SQUARE - The double square head is more compact to use if you aren't dealing with miters. Perfect for assembly checks. Sliding tab for edge support feature keeps the square to your work and out of the way when you don't need it.
- VERSATILE - The inDexable Standard Double Square allows you to check for square inside, outside, right or left.
- MORE OPTIONS AVAILABLE - Need a different size rule or different type of head? You can build your own inDexable set yourself with our individual components as well.
Peter
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