DeWalt Speed Square Review
The DeWalt Speed Square is a staple on any serious job site, known for its durability and precision. This review breaks down the features of the DeWalt DWHT46035 and DWHT46036 models to see if they live up to the hype for both pros and DIYers.
Quick answer
The DeWalt Speed Square is a top-tier layout tool built for heavy use. The DWHT46035 (7-inch) is the best overall for framing and roofing, while the DWHT46036 (12-inch) is the best for larger rafters and stair layout. Both offer superior durability and clear markings.
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Research updated June 2026.
DeWalt DWHT46035 7-Inch Speed Square
The standard for job site layout tools.
Pros
- Durable aluminum construction resists bending and rust
- Clear, laser-etched markings for easy reading
- Integrated pivot lock for secure angle setting
- Includes common rafter and hip-valley scales
Cons
- Heavier than plastic squares
- 12-inch version may be too large for tool pouches
Who is the DeWalt Speed Square For?
The DeWalt Speed Square is designed for carpenters, framers, roofers, and serious DIYers who need a reliable layout tool that can withstand daily abuse. It is ideal for marking 90-degree and 45-degree cuts, as well as for calculating rafter angles and roof pitches. The 7-inch version is a versatile choice for most framing and general carpentry tasks, while the 12-inch version is better suited for larger stock and complex roof layout.
Performance and Accuracy
Owner reviews consistently praise the DeWalt Speed Square for its accuracy out of the box. The aluminum body is precision-machined to ensure true 90-degree and 45-degree angles. The laser-etched markings are deep and clear, resisting wear from pencil marks and job site grime. The integrated pivot lock allows the square to be used as a protractor, holding the set angle securely without slipping.
The square features common rafter, hip-valley, and jack rafter scales, making it a powerful tool for roof framing. The 7-inch model is compact enough to fit in most tool belts, while the 12-inch model provides a longer edge for marking wider boards. Users report that the square remains accurate even after being dropped or exposed to wet conditions, a testament to its build quality.
Build Quality
DeWalt constructs these squares from a single piece of aluminum, which is then anodized to prevent corrosion. The edges are sharp and clean, allowing for precise scribing. The pivot lock mechanism is made of metal and feels robust, unlike plastic versions that can break. The square also includes a stamped ruler on the outer edge for quick measurements. While the aluminum is durable, it is heavier than plastic alternatives, which some users note as a trade-off for longevity.
Alternatives to Consider
For a lighter, more budget-friendly option, the Stanley 46-051 (aluminum) is a solid choice, though its markings may wear faster. The Swanson Tool S0101 is another popular aluminum square with a similar feature set. For those who prefer a plastic square for reduced weight, the Empire 100 Series is a good value, but it lacks the durability of the DeWalt. For the best overall balance of durability, accuracy, and features, the DeWalt remains the top pick.
FAQs
What is the difference between the DWHT46035 and DWHT46036?
The DWHT46035 is a 7-inch speed square, while the DWHT46036 is a 12-inch version. The 12-inch model is better for larger boards and complex roof layout.
Is the DeWalt Speed Square made of aluminum?
Yes, it is made from a single piece of durable, anodized aluminum that resists bending and rust.
Does it have a pivot lock for angles?
Yes, it includes a metal pivot lock that securely holds the square at any angle for protractor use.
Are the markings laser-etched?
Yes, the markings are laser-etched for long-lasting clarity and resistance to wear.
Can I use it for rafter layout?
Yes, it includes common rafter, hip-valley, and jack rafter scales for roof framing.
What is the warranty on this square?
DeWalt offers a limited lifetime warranty against defects in materials and workmanship.
Is it heavier than plastic squares?
Yes, the aluminum construction makes it heavier than plastic alternatives, but it is more durable.
Does it fit in a standard tool pouch?
The 7-inch version fits in most tool pouches, while the 12-inch version is larger and may not fit.
Can I use it as a saw guide?
Yes, the square can be used as a guide for circular saws for accurate crosscuts.
Does it come with a manual?
No, it does not include a manual, but usage instructions are widely available online.
Our verdict
The DeWalt Speed Square, specifically the DWHT46035 7-inch model, is the best overall for its durability and accuracy. For larger layout tasks, the DWHT46036 12-inch version is the best budget-friendly upgrade for pros.