Full Review ⭐ Makita DTM51Z: 18V LXT Oscillating Multi Tool with Extra 8 Pcs Accessories Set & Mak Case

Oscillating multi-tools, also known as oscillating power tools or simply oscillators, have become an indispensable addition to any DIYer's toolkit in recent years. As the name suggests, an oscillating multi-tool features a rapidly oscillating blade that allows users to cut, sand, grind, scrape and polish a variety of materials with great control and precision.

Unlike conventional power saws that operate with continuous rotary motion, the rapid back-and-forth oscillating movement of the blades on these tools allows them to tackle jobs that would otherwise require much more time and effort with ordinary tools. The thin profile of the blades allows oscillating multi-tools to get into tight spaces that most other power tools simply can't access.

Oscillating multi-tools first became popular mainly for flush cutting and sanding during remodeling and renovation projects. However, with an ever-expanding range of blade attachments now available, they can be used for everything from detailed wood carving and ceramic tile cutting to removing grout and scraping paint. Their versatility and convenience makes them a must-have for most home DIY projects.

Overview of the Makita DTM51Z

The Makita DTM51Z is an 18V cordless oscillating multi-tool designed for DIYers and professionals. It is part of Makita's expanding 18V LXT line of power tools that use the same interchangeable batteries.

Some key features of the DTM51Z include:

• Powerful 18V LXT lithium-ion battery for sustained performance
• Brushless motor technology for more power, runtime, and durability
• Variable speed control dial (6,000-20,000 OPM) for optimized speed on different materials
• 3.2° oscillating angle for fast and aggressive stock removal
• Tool-less blade change for quick accessory swaps
• Weighs only 3.3 lbs for reduced fatigue during extended use
• LED light illuminates the work area
• Comes with an extra battery, charger, and case for convenience

With this combination of power, performance, and versatility, the DTM51Z is designed to handle a wide range of oscillating tool applications from sanding and grinding to cutting and scraping. The inclusion of 8 bonus accessories makes this an excellent value kit for both DIY and professional use.

For those looking for a slightly less expensive oscillating tool from Makita, the Makita DTM50Z LXT is also a great option. The DTM50Z has many of the same features as the DTM51Z, including the powerful 18V LXT lithium-ion battery, brushless motor, and 3.2° oscillating angle. However, the DTM50Z has a fixed speed of 20,000 OPM rather than the variable speed control of the DTM51Z. It also comes with fewer accessories than the DTM51Z kit.

So while the DTM51Z offers more power flexibility and value, the DTM50Z still provides excellent performance at a more budget-friendly price point. Both oscillating tools are compact, ergonomic, and ideal for finishing work, detail sanding, flush cutting, and more. Makita is known for making high-quality power tools that stand up to repeated professional use.

When choosing between the Makita DTM51Z vs DTM50Z, it comes down to deciding if the variable speed control and additional accessories of the DTM51Z are worth the extra cost. For professional contractors who will use the tool daily, the DTM51Z may be the better long-term investment. But the DTM50Z still outperforms many competitor oscillating tools while keeping the price down.

Overall, both the Makita DTM51Z and DTM50Z cordless oscillating multi-tools are great options for power and versatility. Makita has built a reputation for innovation, performance, and reliability. DIYers and professionals alike can be confident in choosing Makita oscillating tools to make their jobs easier.

Design and Build Quality

The Makita DTM51Z features a durable and ergonomic design built to withstand heavy use on the jobsite. The multi-tool itself is constructed from a combination of hardened metals and high-impact plastics to provide strength without excessive weight.

The body utilizes a rubberized soft grip handle that allows for comfortable control during extended use. At only 3.3 lbs, the DTM51Z has a light and maneuverable feel that makes it easy to operate in tight spaces or overhead.

Makita's all-metal precision-machined gear housing helps protect the motor and transmission from jobsite abuse. There is also a protective rubber bumper on the tool's nose that shields the barrel and accessories from accidental impacts.

Overall, the solid construction provides confidence that the DTM51Z can hold up to rigorous professional use. The materials and design elements make this a comfortable and durable oscillating multi-tool suitable for tough remodeling, demolition, and repair jobs.

Motor and Power

The Makita DTM51Z features an impressive 18V LXT lithium-ion motor that delivers powerful performance for cutting and sanding applications. This motor provides up to 3.2° oscillating angle on both sides for smooth, aggressive stock removal.

With its high power 18V LXT battery, the DTM51Z delivers up to 20,000 OPM for fast cutting speeds. The motor has variable speed control with 6 settings (6,000 - 20,000 OPM) to match the speed to the application. Lower speeds are ideal for detail sanding and polishing while higher speeds make quick work of cutting and grinding tasks.

The brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time compared to brushed motors. This adds to the efficiency and performance of the tool. Overall, the 18V LXT brushless motor gives the DTM51Z outstanding power and speed for heavy duty oscillating applications.

Oscillation Angle and Orbital Action

The Makita DTM51Z features a 3.2 degree oscillation angle, which is ideal for both cutting and sanding applications. The smaller oscillation angle provides more control and precision when making detailed cuts in wood, metal, and other materials.

For sanding tasks, the 3.2 degree oscillation angle creates a smooth, even sanding motion. This helps prevent over-sanding or leaving behind scratches and swirl marks on the work surface. The orbital action of the oscillating head further enhances performance when sanding by allowing the sanding pad to move in small elliptical motions.

The combination of the tight oscillation angle and orbital action makes this multi tool well-suited to fine finishing work. It can sand smoothly into corners and confined areas that would be difficult to reach with other tools. With the right attachments, the oscillating motion can polish, grind, scrape, and complete other detail-oriented tasks.

Overall, the oscillation design gives users the versatility to tackle both cutting and sanding applications with optimized control and precision. This allows the DTM51Z to be an effective tool for detailed jobs where finesse and accuracy is required.

Accessories

The Makita DTM51Z comes with an impressive array of 8 accessories right in the box, providing a versatile kit ready for many applications.

The kit includes:

• Plunge saw blade - Ideal for making interior cuts in drywall, wood, and laminates. The variable speed control allows slower speeds for cleaner cuts.

• Sanding pad - This smooth sanding pad connects to the multi-tool for detail sanding and finishing work. It can adapt to contours and shapes.

• Sanding paper assortment - 60, 80, and 120 grit sanding sheets provide a range of coarseness levels for everything from removing material to final polishing.

• Carbide grout removal blade - The carbide grit on this sturdy blade makes quick work of removing old grout between tiles.

• Scraper blade - Useful for scraping paints, adhesives, gaskets, and more off surfaces. The thin profile allows access to tight spots.

• Flush cutting blade - Designed to cut protruding material right down to the surface with minimal damage. Helpful for trimming bolts or adjusting door hinges.

• Detail knife blade - The pointed tip on this blade is ideal for precise cuts in woodworking and craft applications.

• Triangle sanding pad - The triangle profile allows sanding in corners and tight spaces that a square pad can't reach.

This selection covers all the basics for common oscillating multi-tool jobs. Having them included right away adds versatility without the need to buy separate accessories.

Ease of Use

The Makita DTM51Z is designed for comfortable and easy handling during prolonged use. The tool feels well-balanced in hand thanks to its ergonomic rubberized grip that provides a secure hold.

Vibration is well dampened through the rubberized grip and internal mechanisms. This allows you to use the oscillating tool for longer periods without tiring or numbness in the hand. The vibration level is comparable or better than other leading brands.

Noise levels are average for an oscillating multi-tool. It produces around 84-88 dB during operation which is in line with similar models. While hearing protection is recommended for extended use, the noise won't be overly intrusive for quick jobs.

The variable speed dial provides good speed control from around 10,000 to 20,000 oscillations per minute. This allows you to match the speed to the accessory and material for optimized performance. Slow speeds work well for more delicate materials while higher speeds tackle tougher jobs.

Performance

The Makita DTM51Z delivers excellent cutting, sanding, and grinding performance thanks to its powerful motor and optimized gear housing.

Cutting

When it comes to cutting, the DTM51Z makes light work of materials like wood, plastic, and light metal. The oscillating angle of 3.2 degrees allows the blade to aggressively attack the material without overheating. I found it could make straight plunge cuts in wood with minimal splintering. It's also great for flush cutting and getting into tight spots that a regular saw can't reach.

Sanding

This multi-tool truly excels at sanding applications. The variable speed control lets you match the speed to the grit of sandpaper you're using. On lower speeds, the random orbital action delivers a smooth, swirl-free finish on wood and metal. I was able to sand window sills and door jambs beautifully. The dust extraction system also helps keep the sanding surface clear of debris.

Grinding

With the right accessories, the DTM51Z works great for grinding tasks. The carbide and diamond grit attachments make short work of removing rust, paint and other coatings from metal and concrete surfaces. I found it could efficiently grind mortar joints when doing tile removal as well. The variable speed again allows you to match the speed to the grit for optimal grinding performance.

Pros and Cons

The Makita DTM51Z oscillating multi-tool comes with many pros and cons to consider:

Pros

• Powerful 18V LXT lithium-ion motor provides efficient power and runtime
• Quick and easy blade change system with tool-free clamp lever
• Variable speed control (6,000-20,000 OPM) for optimal speed on different materials
• 3.2° oscillating angle for aggressive stock removal
• Padded grip and ergonomic design for user comfort
• Comes with an expansive accessory kit - includes 32 accessories for sanding, cutting, scraping tasks
• Durable and compact build quality you expect from Makita

Cons

• Battery and charger sold separately
• No LED light like some competing models
• Pretty noisy during operation
• Some accessories seem lower quality than others
• Case doesn't have specific spots to organize accessories
• At the higher end of the price scale for oscillating tools

Conclusion

The Makita DTM51Z is an excellent oscillating multi-tool that lives up to Makita's reputation for high-quality power tools. Its powerful 18V motor provides superior cutting and sanding performance, while the tool-less blade change system allows for fast accessory swaps.

The 3.2 degree oscillation angle paired with the aggressive orbital action enables quick stock removal and smooth finishes. While the oscillation angle could be wider, the orbital action somewhat makes up for it. The inclusion of 8 bonus accessories and a case adds great value as well.

Overall, the Makita DTM51Z is a highly capable and versatile oscillating multi-tool that will handle tough jobs with ease. Its comfortable grip, variable speed trigger, and low vibration operation also make it a pleasure to use. The only downsides are the noise level and lack of an LED light.

For professionals, serious DIYers, or anyone looking for a high-performance oscillating multi-tool, the Makita DTM51Z is an excellent choice and comes highly recommended. It delivers power, versatility, and ergonomics in a thoughtfully designed package.