The world of intricate woodworking demands tools that offer both precision and reliability. When it comes to crafting detailed designs, delicate curves, and complex joinery, the scroll saw stands as an indispensable machine in any workshop. Among the myriad options available, the DeWalt 20-inch Variable Speed Scroll Saw, often recognized as the DW788, has carved out a reputation as a top-tier performer, trusted by hobbyists and seasoned professionals alike. This in-depth review will explore every facet of this acclaimed tool, from its core mechanics to its real-world performance, helping you determine if the DW788 is the ideal choice to elevate your craftsmanship.

What is a Scroll Saw? (Definition and Applications)

A scroll saw is a stationary power tool specifically designed for cutting intricate and delicate curves in various materials, primarily wood, but also plastics, soft metals, and even glass with the appropriate blade. Unlike band saws or jigsaws, scroll saws utilize a very thin, fine blade that moves rapidly up and down in a reciprocating motion. This unique action, combined with the blade’s narrow profile, allows for exceptional control and the creation of highly detailed designs that would be impossible with other cutting tools.

The versatility of a scroll saw makes it a favorite for numerous applications. Artists and craftspeople use them extensively for creating intricate wooden puzzles, detailed intarsia (wood inlay projects), marquetry, and delicate fretwork. Beyond artistic endeavors, scroll saws are invaluable for practical woodworking, such as cutting precise joinery for cabinetry and furniture, crafting custom signs, and adding decorative elements to various projects. Its ability to perform internal cuts without needing an entry slot from the material’s edge—by simply drilling a pilot hole and threading the blade through—further enhances its utility for complex designs.

Types of Scroll Saws

While all scroll saws share the fundamental principle of a reciprocating blade, they can vary in their arm mechanisms, which significantly impact performance and user experience. Understanding these types helps to appreciate the design advantages of models like the DeWalt DW788.

Parallel Arm Scroll Saws

Num	Product	Action
Our Picks for the Best Scroll Saw in 2026 As an Amazon Associate I earn from qualifying purchases.
1	Shop Fox W1872 16" VS Scroll Saw with Foot Switch, LED, Miter Gauge, Rotary Shaft
2	Making Wooden People & Pets with Personality: 24 Easy Projects for the Scroll Saw (Fox Chapel Publishing) Full-Size Patterns for Beginners and Intermediate Scrollers to Create Handmade Gifts in Wood
3	WEN Adjustable Scroll Saw Stand for all WEN and DeWALT® Scroll Saws (MSA1621)
4	3D Scroll Saw Projects: 35 Fun Compound-Cut Projects, More Than 150 Patterns (Fox Chapel Publishing) Scroll Saw Woodworking & Crafts Magazine Compilation - Ornaments, Home Décor, Chess Set, and More
5	Big Book of Scroll Saw Woodworking: More Than 60 Projects and Techniques for Fretwork, Intarsia, and Other Scroll Saw Crafts (Fox Chapel Publishing) Patterns for Beginners to Advanced Woodworkers
6	Scroll Saw Workbook, 3rd Edition: Learn to Master Your Scroll Saw in 25 Skill-Building Chapters (Fox Chapel Publishing) Ultimate Beginner's Guide with Projects to Hone Your Scrolling Skills
7	2025 Scroll saw patterns: Scroll saw patterns: Inspirations for wood lovers: 164 patterns with Trees of Life, Hearts, Sailboats, animal family puzzles, landscapes...
8	BLACK+DECKER Jig Saw, 4.5 -Amp (BDEJS300C)
9	Scrolling 101: Everything the Beginner Needs to Know (Fox Chapel Publishing) Scroll Saw Basics, Choosing Blades, Adapting Patterns, Using a Starter Saw, Sanding, and a Skill-Building Exercise Pattern
10	FOXBC 5-Inch Scroll Saw Blade Pin End Replacement for Wen 3921 3923, Dremel, Craftsman, Penn State, Delta, Ryobi and All 15in.and 16in.Scroll Saw For Wood, High Carbon Steel - 48 Pack

The parallel arm design is one of the most common configurations found in scroll saws. In this setup, the blade is tensioned between two arms that pivot from a central point at the rear of the saw. As the motor drives the lower arm, the upper arm moves in unison, maintaining constant tension on the blade. These saws are generally robust and capable, suitable for a wide range of projects, and are a popular choice for many hobbyists and intermediate users.

Parallel Link Scroll Saws

Representing an evolution in scroll saw design, the parallel link arm system is engineered for superior performance, and it’s the technology at the heart of the DeWalt DW788. Instead of pivoting from a single point, these saws use a more complex linkage system where the arms are connected by multiple pivot points. This sophisticated design dramatically reduces vibration and noise during operation, leading to exceptionally smooth and precise cuts. The reduced vibration also minimizes operator fatigue, allowing for longer working sessions and greater control over intricate details. The blade remains more perpendicular to the work surface throughout its stroke, which translates to cleaner cuts and less over or undercutting.

Other Types of Scroll Saws

Beyond the parallel arm and parallel link designs, other variations exist, though they are less common or serve niche purposes. C-arm saws, for instance, feature arms that are part of a single, continuous C-shaped unit, offering a different balance of rigidity and blade access. Portable scroll saws, such as the Dremel Moto-Saw, offer compact solutions for smaller projects or for users needing to work in various locations, often allowing for conversion to a handheld coping saw. Each type has its own set of advantages, but for demanding precision work, the parallel link system is often preferred.

DeWalt DW788: Construction and Core Features

The DeWalt DW788 20-inch Variable Speed Scroll Saw is renowned for its thoughtful design and robust construction, offering features that cater to both precision and user convenience.

Double Parallel-Link Arm Design

The cornerstone of the DW788’s exceptional performance is its double parallel-link arm design. This advanced mechanism significantly reduces vibration and noise, making it one of the smoothest-operating scroll saws on the market. The minimal vibration ensures unparalleled stability, which is critical for making intricate and accurate cuts, even in delicate materials. This design also contributes to quieter operation, a major benefit for prolonged use in any workshop environment.

Variable Speed Control

Equipped with a powerful 1.3 Amp motor, the DW788 boasts electronic variable speed control, allowing users to precisely adjust the blade speed from 400 to 1750 Strokes Per Minute (SPM). This wide range of speeds is essential for working with diverse materials, from softwoods and plastics that require higher speeds to hardwoods and metals that demand slower, more controlled cutting. The variable speed knob is conveniently located on the front upper arm, making adjustments effortless during operation.

Tool-Free Blade Changes & Arm Lift

Time saved on blade changes means more time for crafting. The DeWalt DW788 features exclusive tool-free blade clamps that enable quick and easy blade replacement in a matter of seconds. This is particularly advantageous for projects requiring frequent blade changes or for performing internal cuts. The upper arm of the saw also lifts and locks out of the way, providing ample space to thread the blade through pre-drilled pilot holes for those intricate interior cutouts, greatly streamlining the workflow.

DeWalt DW788 scroll saw showing the tool-free blade change mechanism and an operator easily installing a blade for an internal cut.

Cast-Iron Table & Beveling

Stability is paramount for accurate scroll sawing, and the DW788 delivers with an oversized, cast-iron table. This heavy-duty table provides excellent material support and minimizes any potential movement or flex during cutting. Furthermore, the table can bevel 45 degrees to both the left and right, enabling users to create precise angled cuts and compound angles for more complex designs and joinery.

Dust Blower and Controls

User-friendly design is evident in the placement of all primary controls directly on the front upper arm. This includes the on/off switch, the variable speed knob, and the blade tensioning lever, ensuring that all necessary adjustments are within easy reach without having to interrupt your work or change your position. The integrated flexible dust blower effectively clears sawdust from the cutting line, maintaining excellent visibility of your workpiece, which is crucial for precision and accuracy.

DeWalt DW788 Performance Review

The DeWalt DW788 consistently earns high marks for its overall performance, standing out in several key areas that define a superior scroll saw experience.

Precision and Accuracy

The most acclaimed aspect of the DW788 is its exceptional precision and accuracy. The double parallel-link arm design lives up to its promise, delivering incredibly low vibration. This stability allows users to execute intricate patterns with fine detail and remarkable control, making it suitable for delicate artistic pieces and demanding woodworking projects. Many users report that the saw feels solid and planted, even when working on challenging cuts, contributing significantly to cleaner and more accurate results.

Power and Speed

With its 1.3 Amp motor, the DW788 provides ample power to cut through various materials up to 2 inches thick. The variable speed range of 400-1750 SPM ensures that whether you’re working with thin plywood, dense hardwoods, or even softer metals, you can dial in the optimal blade speed for efficient and clean cuts. Slower speeds are ideal for harder materials or very fine details, preventing blade overheating and material burning, while faster speeds can quickly handle softer woods.

Ease of Use

Despite its professional-grade features, the DW788 is surprisingly user-friendly, making it a strong recommendation for both beginners and experienced woodworkers. The tool-free blade clamps simplify blade changes, a task that can often be tedious on other saws. The conveniently located controls on the upper arm allow for quick adjustments mid-project, improving workflow and reducing frustration. The liftable arm further enhances ease of use for internal cuts, transforming a potentially awkward process into a smooth operation.

Durability and Build Quality

DeWalt is synonymous with robust and durable tools, and the DW788 is no exception. Its heavy-duty construction, including the solid cast-iron table and sturdy base, ensures long-term reliability and stability in the workshop. This saw is built to withstand rigorous use, making it a long-term investment for any serious woodworker. Many users report years of consistent, maintenance-free operation, a testament to its excellent build quality.

Areas for Improvement

While the DeWalt DW788 is an outstanding scroll saw, a few minor points could be considered for improvement. One common observation is the absence of an integrated work light, which many other saws in its class now include. While easily remedied with an aftermarket light, it’s a feature some users expect at this price point. The material hold-down can sometimes be a bit wobbly or challenging to align perfectly, occasionally impacting very small or irregularly shaped workpieces. Additionally, while its substantial weight (around 56-65 pounds) contributes greatly to its stability, it also makes the saw less portable for those who need to move their tools frequently. A few users have also reported that the flexible air pipe for the dust blower can be prone to cracking over time.

Comparing the DeWalt DW788 with Other Popular Scroll Saws

The scroll saw market offers various options, each with its strengths. While the DeWalt DW788 consistently ranks as a top performer, understanding its position relative to competitors can help in making an informed decision.

Feature / Model	DeWalt DW788	Delta 40-694	WEN 3921
Throat Depth	20 inches	20 inches	16 inches (with dual blade direction)
Motor	1.3 Amp	1.3 Amp	1.6 Amp
Variable Speed (SPM)	400-1750 SPM	400-1750 SPM	500-1700 SPM
Arm Design	Double Parallel-Link Arm	Parallel-Link Arm	Parallel Arm
Table Tilt	45° Left & Right	45° Left & Right	45° Left & 45° Right (Dual-bevel)
Blade Change	Tool-free, Quick	Tool-free, Quick	Tool-free (accepts pinned & pinless)
Vibration	Extremely Low	Very Low	Moderate
Weight (Approx.)	56-65 lbs (Heavy for stability)	~60 lbs	~25 lbs (More portable)
Notable Features	Liftable arm, Front-mounted controls	Upper arm lifts & locks, LED work light	Flexible LED light, Stand included, vacuum port
Pros	Superior vibration control, durable, precise, easy blade changes	Excellent power, low vibration, often includes stand	Best value, versatile, dual-bevel, lighter
Cons	Heavier, no integrated light, hold-down can wobble, higher price	Can be pricier, some reports of small parts loosening	Lighter build, higher vibration than DeWalt/Delta

> “The DeWalt DW788 truly sets the benchmark for smoothness and precision in scroll sawing. Its ability to minimize vibration allows for an unparalleled level of control, making even the most challenging scrollwork feel effortless.” – Johnathan Vance, Master Woodcraftsman

Choosing the Right Scroll Saw: A Buying Guide

Selecting the ideal scroll saw depends on your skill level, the types of projects you undertake, and your budget. Considering key factors will help you make an informed decision.

Factors to Consider When Choosing a Scroll Saw:

Throat Depth: This is the distance from the blade to the back of the saw’s frame and determines the maximum width of material you can cut. A 20-inch throat, like the DW788, is highly versatile for most projects, while smaller saws (12-16 inches) suit smaller pieces, and larger industrial models can reach 30 inches.
Motor Power and Variable Speed: A powerful motor (1.3 Amp or more) ensures consistent performance across various materials. Variable speed control is crucial for adapting to different wood densities and intricate cuts, preventing burning and achieving smoother results.
Table Tilt: The ability to tilt the table (typically up to 45 degrees) allows for accurate bevel cuts, essential for creating dimension in your projects or for specific joinery.
Blade Compatibility and Changes: Most modern scroll saws use pinless blades, which offer a wider variety of sizes and tooth configurations for different materials and tasks. Tool-free blade changes significantly improve efficiency, especially for internal cuts.
Vibration and Noise: Lower vibration translates to greater accuracy, reduced fatigue, and a more comfortable working environment. Parallel-link designs, like DeWalt’s, excel in this area.
Controls and Features: Conveniently located on/off switches, speed controls, and blade tension levers enhance user experience. Features like a dust blower, an integrated work light, and a liftable arm are valuable additions.
Weight and Stability: Heavier saws (often with cast-iron tables) tend to be more stable and vibrate less, but they are less portable. Consider if you need a stationary benchtop tool or something you can move easily.
Safety Features: While scroll saws are inherently safer than many other power tools, look for features like a secure hold-down foot and easily accessible controls.

Scroll Saw for Beginners

For newcomers to scroll sawing, ease of use and safety are paramount. A saw with tool-free blade changes, easily accessible controls, and good vibration dampening will significantly flatten the learning curve. While some entry-level saws are more budget-friendly, investing in a model like the DeWalt DW788, though more advanced, is often recommended for beginners because its exceptional smoothness and ease of operation make learning much more enjoyable and less frustrating, allowing you to focus on developing your skills rather than fighting the machine. Look for models with clear instructions and readily available blade types.

Scroll Saw for Professional Woodworkers

Professionals demand precision, durability, and features that support high-volume or highly intricate work. A larger throat capacity (20 inches or more), robust motor, and superior vibration control are essential. The DeWalt DW788 consistently meets these professional requirements, offering the reliability and accuracy needed for demanding projects. Quick, tool-free blade changes and a table that bevels in both directions are also critical for efficiency and versatility in a professional setting. Durability and a strong manufacturer’s warranty also become more significant considerations for long-term use.

Scroll Saw Usage and Maintenance Best Practices

To ensure your scroll saw, especially a high-performance model like the DeWalt DW788, operates at its best and lasts for years, proper usage and routine maintenance are crucial.

Setup and Operation Tips

Secure Your Saw: Always ensure your scroll saw is securely bolted to a workbench or placed on a sturdy stand. This minimizes vibration and prevents the saw from moving during operation, enhancing accuracy and safety.
Proper Blade Tension: Correct blade tension is vital for clean cuts and preventing blade breakage. A properly tensioned blade should produce a high C note when plucked lightly. Too tight, and it may break; too loose, and it will deflect and cut inaccurately.
Correct Blade Installation: Always install the blade with the teeth pointing downwards. An incorrectly installed blade is a common cause of poor cuts and workpiece jumping.
Allow the Saw to Cut: Avoid forcing the material through the blade. Let the saw’s reciprocating action do the work. Pushing too hard can lead to blade deflection, breakage, burning, and inaccurate cuts.
Control Your Feed Rate: Adjust your feed rate based on the material’s thickness and density. Slower feed rates are better for intricate curves and harder woods, while faster rates can be used for straight cuts in softer materials.
Sand Undersides: Before making internal cuts, lightly sand the underside of your workpiece around pilot holes to prevent tear-out from catching on the blade insert hole.

Safety Guidelines

Scroll saws are generally considered safer than many other power tools, but adherence to safety measures is still essential.

Wear Safety Glasses: Always wear appropriate eye protection to shield against flying sawdust or broken blade fragments.
Keep Fingers Clear: Maintain a safe distance between your fingers and the blade. Use a hold-down foot to keep the workpiece stable and your hands away from the cutting area.
Unplug When Changing Blades/Making Adjustments: Disconnect the saw from power before changing blades, adjusting components, or performing any maintenance.
Clear Work Area: Keep your workspace free of clutter and debris to prevent accidents.
Proper Lighting: Ensure your work area is well-lit for clear visibility of your cutting line. An external light source is often beneficial, especially if your saw lacks an integrated one.

Routine Maintenance for Longevity

Consistent care will significantly extend the life and performance of your scroll saw.

Clean After Each Use: Vacuum or blow away sawdust from the saw table, blade clamps, and motor vents. Accumulated dust can cause wear and tear on moving parts.
Release Blade Tension: When the saw is not in use, release the blade tension. This prolongs the life of both the blade and the saw’s tensioning mechanism.
Lubricate Moving Parts: Periodically apply a light lubricant (like WD-40 or a quality paste wax) to the saw table to allow workpieces to slide smoothly and prevent rust. Check your manual for specific lubrication points on internal mechanisms.
Inspect Blade Clamps: Check blade clamps for wear or debris. Clean them regularly, and if blades are slipping, ensure they are not overtightened to the point of spreading the jaws, or check for oily residue on blade ends (which can be cleaned with mineral spirits).
Check for Loose Fasteners: Due to vibration, screws and bolts can sometimes loosen. Periodically check and tighten any fasteners to maintain the saw’s rigidity and accuracy.
Store Blades Properly: Keep your spare blades in a dry, organized container to prevent rust and damage.

A person performing routine maintenance on a scroll saw, wiping down the cast iron table with a cloth and lubricating it, with various scroll saw blades in a storage container nearby.

Common Scroll Saw Issues and Troubleshooting

Even with a high-quality machine like the DeWalt DW788, you might encounter common issues. Knowing how to diagnose and resolve them can save time and frustration.

Blade Breaking or Slipping

Problem: Blades break frequently or slip out of the clamps.
Causes: Blade is over-tensioned or under-tensioned; clamped too tightly or not tightly enough; blade is dull; workpiece is being forced; oily blade ends.
Fixes: Adjust blade tension to the correct level. Ensure clamps hold the blade firmly without overtightening. Replace dull blades promptly. Allow the saw to cut at its own pace without forcing. Clean blade ends with mineral spirits to remove manufacturing oil.

Excessive Vibration

Problem: The saw vibrates more than usual, affecting cut quality.
Causes: Saw is not securely mounted to the workbench; worn arm pivots (less common on DW788 due to design); incorrect blade tension.
Fixes: Ensure the saw is firmly bolted down. Check blade tension. If vibration persists and is significant, consult the manual or a service professional for potential internal wear, though the DW788 is known for its low vibration.

Inaccurate or Non-Perpendicular Cuts

Problem: Cuts are not straight, or edges are not square to the table.
Causes: Blade is under-tensioned; blade is dull; workpiece is being pushed sideways; table or blade is not square to each other.
Fixes: Increase blade tension. Change the blade. Ensure you are feeding the material smoothly without sideways pressure. Check the blade’s squareness to the table using a small square and adjust if necessary.

Burning Material

Problem: The wood or material shows burn marks along the cut line.
Causes: Blade speed is too fast for the material; blade is dull; wrong blade type or size for the material thickness/density; feed rate is too slow.
Fixes: Lower the blade speed setting. Replace dull blades. Use a blade with fewer teeth per inch (or a spiral blade) for thicker or harder materials. Slightly increase your feed rate while maintaining control. Applying painter’s tape to the cut line can also reduce burning.

Workpiece Jumping

Problem: The material lifts or bounces excessively during cutting.
Causes: Blade installed upside down (teeth pointing up); material not held tight against the table; blade too large for material thickness; warped material; pushing material too aggressively.
Fixes: Verify the blade is installed correctly with teeth pointing down. Hold the material firmly against the table. Use a blade with more teeth per inch for thinner materials. Sand the underside of warped material to sit flat. Slow down your feed rate.

Conclusion

The DeWalt 20-inch Variable Speed Scroll Saw (DW788) stands as a testament to precision engineering and user-focused design. Its double parallel-link arm dramatically minimizes vibration, allowing for exceptionally smooth and accurate cuts that will elevate the quality of your intricate woodworking projects. With tool-free blade changes, convenient controls, and a robust cast-iron table, the DW788 offers both efficiency and durability for years of reliable performance. While its weight and the lack of an integrated work light are minor considerations, its unparalleled stability and ease of use make it a formidable choice for anyone, from dedicated hobbyists to seasoned professionals, seeking to achieve masterful detail in their craft.

Are you ready to experience the difference a high-performance scroll saw can make in bringing your most intricate designs to life?

Frequently Asked Questions

What kind of projects is the DeWalt DW788 best suited for?

The DeWalt DW788 excels at intricate projects such as wooden puzzles, detailed intarsia, fine fretwork, custom signage, and precise joinery for furniture and cabinetry. Its 20-inch throat capacity and exceptional accuracy make it versatile enough for both small, delicate pieces and larger decorative elements, handling various materials with ease.

Can a beginner use the DeWalt DW788 effectively?

Yes, absolutely. While a professional-grade saw, the DeWalt DW788 is often recommended for beginners due to its low vibration, which makes it much easier to control and achieve clean cuts. Its tool-free blade changes and conveniently located controls also simplify the learning process, allowing new users to focus on technique rather than machine complexities.

What are the main benefits of the DW788’s double parallel-link arm design?

The double parallel-link arm design significantly reduces vibration and noise compared to traditional scroll saws. This results in dramatically smoother and more accurate cuts, enhances user control, and minimizes fatigue during extended use. It also keeps the blade consistently perpendicular to the work, reducing unwanted over or undercutting.

Does the DeWalt DW788 come with a stand or a work light?

The DeWalt DW788 typically does not come with an integrated stand or a built-in work light. While its heavy-duty cast-iron base provides excellent stability for benchtop use, many users choose to purchase a compatible stand separately. An external LED work light can be easily added to illuminate the cutting area effectively.

What types of blades does the DeWalt DW788 use?

The DeWalt DW788 primarily uses 5-inch plain end (pinless) scroll saw blades. This type of blade offers the widest variety of tooth configurations and sizes, providing versatility for cutting different materials and achieving various levels of detail, from rough cuts to super-fine fretwork.

How do I reduce blade breakage with my DeWalt DW788?

To reduce blade breakage, ensure correct blade tension (not too tight, not too loose), use a fresh, sharp blade suitable for your material, and avoid forcing the workpiece through the saw. Always let the blade do the cutting at