
HERCULES 20V Brushless Cordless Variable-Speed Oscillating Multi-Tool – Tool Only
- Get longer runtime and more power with the HERCULES® 20V Brushless Cordless Variable-Speed Oscillating Multi-Tool. The high-performance brushless motor combined with 3.1° of oscillation range means faster, more efficient performance. Variable-speed control matches oscillation speed to application. The compact lightweight design is combined with vibration control technology for maximum comfort and control. A keyless blade-change mechanism makes changing blades easy and minimizes downtime.
- High-performance brushless motor delivers more power and runtime while running cooler and longer
- 3.1° oscillation angle range for maximum cutting performance
- 6-speed variable-control dial matches speed to application
- Compact, lightweight design with barrel grip for maximum comfort during extended use
- Keyless blade-changing system for quick, effortless blade changes
- Ultra-bright LED light provides clear view of work space for accurate cuts
- Ergonomic design minimizes vibration felt by user for more control and comfort
- Constant power maintains speed and power while under heavy loads
$79.99
As I sit in my workshop surrounded by sawdust and the faint smell of cut wood, I can’t help but reflect on how a single tool has completely transformed my DIY experience. Six months ago, I was a hobbyist struggling with multiple specialized tools for different projects. Today, I’m confidently tackling jobs I wouldn’t have attempted before—all thanks to what has become the most versatile addition to my tool collection: the Hercules Multi Tool.
Whether you’re a weekend warrior or a seasoned professional looking to expand your toolkit, this comprehensive guide will walk you through everything you need to know about this impressive piece of equipment from my personal experience.
My First Encounter with the Hercules Multi Tool
I still remember the frustration of trying to make precise cuts in awkward corners while renovating my bathroom last year. The standard circular saw was too bulky, and hand tools weren’t giving me the clean finish I desperately wanted. After hours of YouTube research and talking with fellow DIY enthusiasts, the oscillating multi-tool category kept coming up as the solution.
Like many tool buyers, I initially gravitated toward the big names—DeWalt, Milwaukee, Makita. But their price tags made me hesitate. Then, during a weekend trip to Harbor Freight, I spotted the Hercules Multi Tool display. The bright orange packaging caught my eye, but it was the substantially lower price point that made me stop and take a closer look.
I’ll admit, I was skeptical. Could a more affordable option really compare to the premium brands I’d been eyeing? The store associate must have noticed my uncertainty because he approached with what I now know was wisdom: “This Hercules has been surprising a lot of professionals. Give it a shot—Harbor Freight has a decent return policy if you’re not impressed.”
Six months and countless projects later, that return has never crossed my mind.
Key Features That Won Me Over
From the moment I unboxed the Hercules Multi Tool, I knew this wasn’t your typical budget-friendly option. The solid construction immediately stood out—no flimsy plastic housing or cheap-feeling components. This tool meant business.
The Hercules comes in as a corded 3-amp model, delivering consistent power without the battery life concerns of cordless alternatives. While I initially worried about cord management, the 10-foot power cord has provided ample reach for most of my projects without requiring extension cords.
What truly separates this multi-tool from others in its price range is the 3.2-degree oscillation angle. For those new to oscillating tools, this might sound insignificant, but that extra oscillation translates to noticeably faster cutting and more efficient material removal when compared to competitors with smaller angles.
The variable speed dial became my best friend almost immediately. Being able to adjust from 10,000 to 20,000 OPM (oscillations per minute) means I can tackle everything from delicate detail work on my model train scenery to aggressive cutting through hardwood flooring. Having this control literally at my fingertips has proven invaluable across diverse projects.
One feature I didn’t fully appreciate until I started using the tool regularly is the tool-free blade change system. Unlike some multi-tools that require hex keys or specialized tools to swap accessories, the Hercules uses a lever-action system that allows for quick changes without additional tools. When you’re in the middle of a project and need to switch from cutting to sanding, this time-saving feature is genuinely appreciated.
Pricing and Value Proposition
Let’s talk about what often drives purchasing decisions: cost. The Hercules Multi Tool retails for approximately $79.99 at Harbor Freight, which positions it significantly below premium brands that offer similar specifications but often cost $150-250.
This price point creates an interesting value proposition. After using the Hercules extensively, I’ve found it delivers about 85-90% of the performance of high-end alternatives at roughly half the price. For DIY enthusiasts and even many professionals, this represents the sweet spot between affordability and capability.
One thing to consider is Harbor Freight’s frequent coupon offerings. With strategic shopping, I’ve seen the Hercules line discounted by 20% or more during seasonal sales. This can bring the price down to around $65, making it an even more compelling option.
What’s Included in the Box?
When I first brought home my Hercules Multi Tool, I was pleasantly surprised by the included accessories. The package contained:
- The Hercules Multi Tool (main unit)
- 1 wood/metal cutting blade
- 1 semicircular blade for flush cutting
- 1 scraper blade
- 1 sanding pad
- 5 assorted sandpaper sheets (varying grits)
- User manual and warranty information
While this starter kit was sufficient for my initial projects, I’ve since expanded my accessory collection to include specialized blades for different materials. The good news is that the Hercules accepts universal fit accessories, meaning you’re not locked into proprietary attachments.
One minor disappointment was the absence of a carrying case or storage bag. I ended up purchasing a third-party tool bag to keep everything organized, which added about $25 to my overall investment. It’s worth factoring this in if you plan to transport the tool regularly.
Cutting Performance Across Materials
A multi-tool’s primary function is typically cutting, and this is where the Hercules truly shines. Over the past months, I’ve put it through its paces on various materials with impressive results.
For wood cutting, the Hercules slices through both softwoods and hardwoods with minimal effort. I recently used it to cut precise notches in oak trim for a custom bookshelf, and the cuts were clean enough to require minimal sanding. The variable speed control proved essential here—running at lower speeds prevented burning on hardwoods while maintaining cutting efficiency.
When it comes to metal, I’ve successfully used the Hercules to cut through aluminum trim, thin steel brackets, and even copper pipe (with the appropriate blade). The tool handles these materials effectively, though I recommend using lower speeds and applying less pressure to extend blade life. During a recent plumbing project, I needed to cut an awkwardly positioned copper pipe in a tight corner under my sink—a task that would have been nearly impossible with traditional pipe cutters. The Hercules made quick work of it.
For drywall and other building materials, this multi-tool excels. During my bathroom renovation, I used it to make precise cutouts for electrical outlets and fixtures in drywall with perfect results. The controlled plunge cutting capability made these tasks remarkably straightforward.
One unexpected application I discovered was cutting through fiberglass. When installing a new bathtub surround, I needed to modify the fiberglass panels to accommodate existing plumbing. The Hercules cut through the material cleanly without the splintering or cracking I feared.
Professional Use Considerations
While I primarily use the Hercules for DIY projects, I’ve had several professional contractors handle my tool while helping with larger renovations. Their feedback has been consistently positive, especially considering the price point.
A carpenter friend who typically uses Milwaukee tools was particularly impressed with the Hercules’ cutting power and precision. His assessment: “For occasional to regular use, this would serve most pros well. If you’re using it 8 hours daily, you might notice the difference between this and the top-tier brands, but for most applications, it’s remarkably capable.”
The primary limitations for professional use seem to center around two factors:
- Heat management during extended use. After about 20-25 minutes of continuous operation, particularly at higher speeds, the tool does get noticeably warm. This isn’t unusual for oscillating tools, but premium brands often have slightly better thermal management.
- Dust collection capabilities. The Hercules doesn’t include a dust collection port, which might be important for professionals working in finished spaces where cleanliness is paramount.
These limitations aside, many professionals I’ve spoken with agree that the Hercules represents excellent value for money, especially for contractors looking to outfit teams with multiple tools without breaking the budget.
Comparison to Premium Brands: DeWalt, Milwaukee, and Others
Having used friends’ DeWalt and Milwaukee oscillating multi-tools, I can offer some perspective on how the Hercules compares.
The DeWalt DCM713B (cordless) and DWE315K (corded) are frequently mentioned as industry standards. The Hercules matches them surprisingly well in cutting power and basic functionality. Where the DeWalt pulls ahead is in ergonomics—their handle design and balance feel slightly more refined during extended use. The DeWalt also features better dust collection options and slightly more premium materials in the construction.
Milwaukee’s M18 and corded models offer similar advantages over the Hercules, with particularly impressive vibration dampening that reduces user fatigue. However, these premium features come with a significant price increase—often 2-3 times the cost of the Hercules.
Fein, often credited with inventing the oscillating multi-tool, produces what many consider the gold standard with their MultiMaster line. These tools feature extraordinary build quality and remarkably low vibration levels but cost 3-4 times more than the Hercules.
After extensive use, my assessment is straightforward: the Hercules delivers approximately 85-90% of the performance at roughly 40-50% of the cost compared to premium brands. For most users, this represents an excellent value proposition, especially when considering the range of projects a multi-tool can tackle.
Speed Settings and Technical Specifications
The technical specifications of the Hercules Multi Tool provide insight into its capabilities:
- Power: 3.0 Amp motor
- Speed Range: 10,000-20,000 OPM (oscillations per minute)
- Oscillation Angle: 3.2 degrees
- Weight: 3.5 pounds
- Cord Length: 10 feet
- Voltage: 120V
The variable speed dial features 6 distinct settings, allowing precise control over the tool’s operation. This range has proven adequate for virtually every application I’ve encountered, from delicate detail work to aggressive material removal.
Setting 1 (approximately 10,000 OPM) is ideal for precision cutting, working with soft materials, or detail sanding where control is paramount.
Settings 2-4 (approximately 12,000-16,000 OPM) handle most standard cutting, sanding, and scraping tasks efficiently.
Settings 5-6 (approximately 18,000-20,000 OPM) deliver maximum power for demanding applications like cutting hard materials or removing stubborn adhesives and finishes.
One technical aspect I particularly appreciate is the soft-start feature, which prevents the tool from jerking in your hand when powered on. This contributes significantly to control and precision, especially when beginning delicate cuts.
Durability and Long-Term Performance
After six months of regular use, I can speak confidently about the Hercules Multi Tool’s durability. The tool has maintained consistent performance despite some demanding applications.
The motor housing has withstood several accidental drops onto my concrete workshop floor without any impact on functionality. The power cord, often a failure point on budget tools, has remained intact and flexible even after being dragged across rough surfaces and occasionally stepped on.
One area where wear is noticeable is the blade change lever. While still fully functional, it has developed a slight looseness after numerous accessory changes. This doesn’t affect performance but indicates that this mechanical component may eventually require maintenance or replacement with extremely heavy use.
The variable speed dial has maintained precise control without developing the “dead spots” sometimes found in lower-quality electronic components. All speed settings continue to function as they did when new.
Heat management remains consistent with my initial observations. The tool warms up during extended use but never becomes uncomfortably hot or shows signs of overheating. The ventilation design effectively dissipates heat even during demanding applications.
Compatible Blades and Accessories
One of the Hercules Multi Tool’s significant advantages is its compatibility with universal-fit accessories. This means you’re not limited to proprietary blades and attachments, which often come with premium pricing.
I’ve successfully used accessories from brands including:
- Imperial Blades
- Bosch
- Dremel
- WORKPRO
- Milwaukee
This compatibility dramatically expands the tool’s versatility without requiring brand-specific accessories. That said, there are quality differences between accessory brands that affect performance and durability.
After experimenting with various options, I’ve found that investing in higher-quality blades, particularly for frequent cutting applications, is worthwhile. Premium bimetal and carbide-tipped blades last significantly longer than standard high-carbon steel varieties, especially when cutting harder materials.
For sanding, the standard pad accepts universal hook-and-loop sandpaper sheets. I’ve found that 3M and Diablo sandpaper offer superior durability and finish quality compared to generic options, though they cost slightly more.
Storage and Portability Considerations
As mentioned earlier, the Hercules Multi Tool doesn’t include a carrying case or storage solution. This is one area where premium brands typically offer more complete packages.
For workshop storage, I created a wall-mounted holder with designated spaces for the tool and accessories. For job site portability, I purchased a third-party tool bag with internal compartments that keeps everything organized.
The tool’s compact design (approximately 11 inches long) makes it easy to transport, though the cord requires some management. At 3.5 pounds, it’s neither exceptionally light nor uncomfortably heavy—I’ve used it for overhead cutting tasks without excessive fatigue.
If you frequently move between job sites, consider investing in a dedicated storage solution. The approximately $20-30 cost represents a small additional investment that will protect your tool and help keep accessories organized.
Sanding and Scraping Performance
While cutting often gets the spotlight, the sanding and scraping capabilities of the Hercules Multi Tool deserve special attention.
The triangular sanding pad attachment allows for precise detail sanding in corners and tight spaces that would be inaccessible to traditional sanders. I recently restored an antique wooden jewelry box with intricate corners and detail work—a project that would have been nearly impossible without this tool.
The sanding performance is impressive, particularly for detail work. The oscillating motion provides a smooth finish without the swirl marks often left by rotary sanders. While not designed to replace dedicated sanders for large flat surfaces, the Hercules excels at:
- Edge sanding
- Corner detail work
- Spot finishing
- Contoured surface sanding
The scraper attachment has proven invaluable for removing old paint, adhesives, and caulking. During my bathroom renovation, I used it to remove decades-old silicone caulk from tile joints—a tedious task made remarkably efficient with the oscillating scraper.
For flooring projects, the scraper attachment effectively removed old vinyl flooring and adhesive residue without damaging the subfloor. The variable speed control was crucial here, allowing adjustment based on the adhesive’s stubbornness and the subfloor material.
Replacement Parts and Accessories Availability
A tool’s long-term value depends partly on the availability of replacement parts and accessories. The Hercules line benefits from Harbor Freight’s growing commitment to spare parts availability.
Replacement blade change levers, power cords, and carbon brushes are available through Harbor Freight’s parts department. While not always stocked in-store, these components can be ordered online or through customer service.
For accessories, the universal compatibility mentioned earlier provides numerous options beyond Harbor Freight’s offerings. I’ve found Amazon, Home Depot, and specialty tool retailers to be excellent sources for compatible blades and attachments, often at competitive prices.
Harbor Freight has gradually expanded its Hercules-branded accessory line, now offering specialized blade sets for various applications. These provide good value, though premium brand accessories still offer superior durability for professional-level use.
Warranty and Customer Support
The Hercules Multi Tool comes with a 90-day satisfaction guarantee and a 2-year limited warranty—quite reasonable for its price point. This warranty covers defects in materials and workmanship under normal use conditions.
My experience with Harbor Freight’s customer service has been positive. When I had questions about compatible accessories, the store staff was knowledgeable and helpful. The company’s overall support for the Hercules line appears to be strong, reflecting their positioning of these tools as professional-grade options.
It’s worth noting that Harbor Freight offers an extended protection plan for an additional cost (typically around $10-15 for this tool). Given the reasonable base price, this might be worth considering if you plan to use the tool heavily.
User Experiences and Community Feedback
Beyond my personal experience, I’ve researched extensively and spoken with other Hercules Multi Tool owners. The consensus generally aligns with my findings, with a few additional insights:
Professional contractors who’ve adopted the Hercules often mention its value proposition as the primary appeal. Many report using it alongside premium brands without noticeable performance deficits in most applications.
DIY enthusiasts consistently praise the tool’s versatility and power relative to its cost. Several online forums feature dedicated threads discussing customizations and accessory recommendations specific to this model.
Common criticisms center around:
- The lack of included storage
- Minor vibration levels (though these are comparable to most oscillating tools)
- Limited dust collection options
The overall satisfaction rating across various platforms averages around 4.3-4.5 out of 5 stars—impressive for a tool in this price category and indicative of its genuine value.
Ergonomics and Handling
The ergonomics of a tool significantly impact user experience, especially during extended use. The Hercules Multi Tool features a comfortable grip with a rubberized overmold that provides secure handling even when wearing work gloves.
At 3.5 pounds, it strikes a reasonable balance between substantive feel and manageable weight. During extended overhead work (like cutting in-place crown molding), I did notice some fatigue, but this would be true of most corded multi-tools.
The tool’s balance is well-centered, making precision work more manageable. The positioning of the variable speed dial allows for easy adjustments without changing grip, though it occasionally gets inadvertently bumped during tight-space maneuvering.
One ergonomic highlight is the power switch location, which allows for natural thumb activation while maintaining a secure grip. This thoughtful design element enhances both safety and usability.
Vibration levels are moderate—noticeable but not excessive by oscillating tool standards. After about 20-30 minutes of continuous use, I typically take a short break to prevent hand fatigue, which seems reasonable for this tool category.
Ideal Project Applications
After six months of regular use, I’ve identified several project types where the Hercules Multi Tool truly excels:
Renovation and Remodeling: The tool’s ability to make plunge cuts in existing materials makes it invaluable for renovation work. I’ve used it to create clean cutouts in drywall, paneling, and flooring for new fixtures and outlets without damaging surrounding materials.
Trim Carpentry: For cutting door jambs when installing flooring, making precise notches in baseboards and crown molding, or trimming window casings, the Hercules provides unmatched precision and accessibility.
Flooring Installation: From undercutting door jambs to making end cuts and fitting around obstacles, this tool has transformed my flooring projects from frustrating to straightforward.
Cabinet Modifications: When updating my kitchen, I used the Hercules to modify existing cabinets for new hardware and fixtures, making precise cuts that would have been challenging with other tools.
Grout Removal: The oscillating motion with a grout removal blade efficiently removes old grout without damaging adjacent tiles—a task I dreaded before acquiring this tool.
Detail Sanding: For projects requiring fine sanding in tight corners or on contoured surfaces, the triangular sanding attachment provides control that standard sanders can’t match.
Plumbing and Electrical Work: Cutting access panels, notching studs for pipes and wires, and trimming existing materials around new installations are all handled efficiently.
My Final Assessment
After months of hands-on experience across dozens of projects, my verdict on the Hercules Multi Tool is overwhelmingly positive. This tool delivers exceptional value while providing the versatility and performance that both DIY enthusiasts and professionals require.
The most impressive aspect of the Hercules isn’t any single feature but rather the complete package it offers at its price point. It successfully balances power, versatility, durability, and affordability in a way that few tools manage.
Is it perfect? No. The lack of included storage, absence of dust collection options, and slightly higher vibration levels compared to premium brands represent legitimate compromises. However, these limitations are reasonable given the significant cost savings.
For weekend warriors and DIY enthusiasts, the Hercules Multi Tool represents an excellent entry point into the world of oscillating multi-tools without requiring a substantial investment. For professionals, it offers a compelling value proposition, especially when outfitting multiple team members or as a backup to premium tools.
If I had to sum up the Hercules Multi Tool in one statement, it would be this: it delivers professional-level capability at a hobby-friendly price, making it quite possibly the best value in the oscillating tool category today.
Whether you’re tackling your first home renovation or adding to an established professional tool collection, the Hercules Multi Tool deserves serious consideration. Six months in, it remains one of the most frequently used tools in my workshop—a testament to its versatility and performance across countless applications.
And as I look at the growing list of projects for my home’s upcoming spring renovation, I know this orange powerhouse will continue to be my go-to solution for the challenging cuts, precise sanding, and detail work that make the difference between amateur results and professional-quality finishes.