DeWalt 1/2 in Drive Metric Impact Hex Bit Sockets

1/2 in Drive Metric Impact Hex Bit Sockets

Features

  • Heat‑treated CR‑440 steel construction
  • DirectTorque technology to reduce fastener rounding and improve engagement
  • High‑visibility laser‑etched markings
  • O‑ring and retaining pin compatible
  • Black oxide coating

Specifications

Drive Size 1/2 in
Material Heat treated CR‑440 steel (CR‑440)
Finish Black oxide coating
Markings High‑visibility laser‑etched markings
Compatibility O‑ring and retaining pin compatible
Typical Product Length 2-15/32 in (per socket)
Available Socket Sizes (Mm) 6, 8, 10, 12, 14, 17, 19
Per Size Sk Us And Weights 6 mm — DWMT17178 — 3.2 oz; 8 mm — DWMT17180 — 3.2 oz; 10 mm — DWMT17167 — 3.2 oz; 12 mm — DWMT17169 — 4.8 oz; 14 mm — DWMT17170 — 4.8 oz; 17 mm — DWMT17171 — 6.4 oz; 19 mm — DWMT17172 — 8.0 oz

Metric hex bit impact sockets for use with 1/2 in drive tools. Made from heat‑treated CR‑440 steel with a black oxide finish and laser‑etched size markings. Designed to engage hex fasteners with reduced rounding (DirectTorque feature). Individual sockets are compatible with O‑rings and retaining pins.

Model Number: DWMT17177

DeWalt 1/2 in Drive Metric Impact Hex Bit Sockets Review

4.8 out of 5

DeWalt has long been a trusted name in the tool industry, and their 1/2 in Drive Metric Impact Hex Bit Sockets (DWMT17177) continue to uphold that reputation. As someone who frequently tackles both automotive and heavy equipment repairs, I was eager to put this socket set to the test and see if it lived up to the DeWalt name. Spoiler alert: it does.

First Impressions

Straight out of the box, the first thing that struck me was the overall quality of the set. The sockets are constructed from heat-treated CR-440 steel, giving them a robust and durable feel. The black oxide coating not only adds an extra layer of protection against corrosion but also gives the set a sleek, professional look. The high visibility laser-etched markings are a thoughtful touch, making it easy to identify socket sizes even in dimly lit workspaces.

Design and Build Quality

The sockets are designed with DeWalt's DirectTorque™ Technology, which helps to prevent rounding of fasteners. This is a crucial feature, especially when dealing with stubborn bolts that require significant torque. The sockets fit snugly onto fasteners, and I experienced no slippage or rounding during my tests.

The accompanying ratchet features a 72-tooth mechanism, providing a 5-degree arc swing. This allows for precise control and makes it easier to work in tight spaces. The ratchet handle is ergonomically designed with a comfortable grip, reducing hand fatigue during extended use. However, I did notice that the black finish on the ratchet tends to wear off rather quickly, revealing the base metal underneath. While this doesn't affect the tool's performance, it is a minor aesthetic issue.

Performance

I put the DeWalt socket set through its paces on a variety of tasks, from automotive repairs to heavy equipment maintenance. The sockets performed admirably with both pneumatic and battery-powered impact wrenches. They showed no signs of wear, even after several weeks of rigorous use. The set also includes a 1/4" hex to 1/2" drive adapter, which I found particularly useful for smaller, more intricate tasks.

One aspect that stood out during my testing was the set's ability to handle high torque loads without any visible wear or damage. The sockets are built to last, and they certainly lived up to that expectation. The O-ring and retaining pin compatibility add another layer of versatility, making this set suitable for a wide range of applications.

Storage and Organization

The set comes in a sturdy, well-organized case that keeps everything in its place. The case is shatter-resistant, which is a nice touch for those of us who tend to be a bit rough with our tools. The internal tray is removable, allowing for easy storage in a toolbox drawer. However, I did encounter a minor issue with the case latches being somewhat difficult to undo. While this ensures the case won't accidentally pop open, it can be a bit frustrating when you're in a hurry.

Drawbacks

Despite its many strengths, the DeWalt socket set isn't without its flaws. The most notable issue I encountered was the finish on the ratchet, which wore off rather quickly. While this doesn't impact the tool's functionality, it does detract from its overall appearance. Additionally, the 1/4" socket adapter broke during one of my tests, which was disappointing. This suggests that while the sockets themselves are durable, some of the included accessories may not be as robust.

Conclusion

Overall, the DeWalt 1/2 in Drive Metric Impact Hex Bit Sockets (DWMT17177) are a solid investment for both DIY enthusiasts and professional mechanics. The set's durability, performance, and thoughtful design features make it a valuable addition to any toolbox. While there are a few minor drawbacks, such as the easily marred ratchet finish and the occasional accessory failure, these issues are relatively minor compared to the set's overall quality and performance.

I would definitely recommend this socket set to anyone in need of a reliable, high-performance tool for both everyday and heavy-duty tasks. The combination of robust construction, ease of use, and thoughtful design features make it well worth the investment. Whether you're working on automotive repairs, heavy equipment maintenance, or any other task that requires a dependable socket set, the DeWalt DWMT17177 is up to the challenge.



Project Ideas

Business

Mobile Stuck Hex Fastener Removal

Offer an on-site service for stripped or seized metric socket-head bolts on motorcycles, machinery, and Euro vehicles. Market the reduced-rounding DirectTorque benefit, carry 6–19 mm sizes, and upsell replacement hardware kits. Bill per extraction plus travel.


Flat-Pack and Industrial Furniture Assembly

Specialize in assembling metal-frame desks, racks, and shelving that rely on M6–M10 socket head hardware. Use impact hex sockets with retaining pins for speed and safety in apartments or offices. Tiered pricing: per-piece assembly, on-site leveling, and warranty check-ins.


Maintenance Packages for Moto Shops

Create fixed-price service bundles for brake caliper refreshes, rearset adjustments, and skid plate installs. The 6/8/10/12 mm sockets cover most tasks. Sell add-ons like stainless hardware swaps and thread-care kits; deliver quick turnaround with impact tools.


Light Manufacturing/Assembly Kitting

Provide pre-set torque and socket kits for small manufacturers using M6–M12 socket head cap screws. Include color-coded labels and laser-etched size callouts. Offer training on fastener best practices and charge monthly for kit maintenance and calibration.


Event Pit Crew Support (Track Days)

Set up a mobile pit station for track days and moto events focusing on rapid fairing, rearset, and control adjustments. Impact hex sockets speed panel swaps and gear changes. Sell quick services (15–30 minutes), rent tools with deposits, and retail common metric hardware.

Creative

Industrial Tube-Shelf Build

Fabricate a steel-and-wood shelf using 25–30 mm square tube frames tapped for M8/M10 socket head cap screws. The 6–10 mm hex impact sockets drive hardware quickly and securely; DirectTorque helps avoid rounding during repeated assembly/disassembly. Laser-etched markings keep sizes straight as you progress through tiers.


Motorcycle Brake and Controls Refresh

Service calipers, rearsets, and bar controls on metric bikes. Use the 6, 8, and 10 mm hex impact sockets to break loose stubborn socket-head bolts without cam-out, swap to stainless hardware, apply anti-seize, and torque back down. Great way to tidy a bike and learn proper fastener care.


Benchtop Welding Cart with Hex Hardware

Build a compact cart with slotted uprights and panels fastened using M8/M10 socket head screws. The impact hex sockets speed assembly and let you reconfigure shelves and tank brackets. Black oxide sockets shrug off welding spatter better than chrome and clean up easily.


Euro Car Undertray and Strut Brace Service

Many European cars use metric hex fasteners for undertrays, braces, and engine covers. Use 6–10 mm sizes to remove panels, refresh clips, and add a strut brace. Impact-rated bits and retaining pin compatibility keep sockets secure when working overhead or in tight bays.


Modular Workbench with Hidden-Fastener Look

Create a hardwood/steel workbench that uses recessed M8/M10 socket head cap screws for a clean, flush finish. The 6–10 mm sockets drive the fasteners through countersunk holes; DirectTorque protects the screw sockets during final snugging.