3/8-in Drive 21mm 6 Point Deep Socket

Features

  • Corrosion resistance: Full polish chrome finish
  • Increased torque: 6 point socket with fastener
  • Increased accessibility: Deep socket
  • Quick size identification: Large markings
  • Meets or exceeds ASME specifications

Specifications

Drive Size 3/8 in
Product Finish Full Polish Chrome
Product Material Steel
Measurement Standard Metric
Number Of Pieces 1
Points 6-point
Product Height 1.1 in
Product Length 4.6 in
Product Weight 1.1 lb
Product Width 1.8 in
Socket Size 21 mm
Warranty Full Lifetime Warranty

This deep socket is designed to engage with the flats of fasteners, allowing access to hard-to-reach fasteners and applying torque without risking bolt stripping.

Model Number: CMMT99144

Craftsman 3/8-in Drive 21mm 6 Point Deep Socket Review

5.0 out of 5

Navigating the often crowded and confusing tool aisle can be a daunting task, especially when you're on the hunt for that one specific tool that will make your job easier. As someone who's spent countless hours in my garage tinkering with cars and various DIY projects, I understand the importance of having the right tool. Recently, I had the chance to use the Craftsman 3/8-in Drive 21mm 6 Point Deep Socket, model CMMT99144, and I was pleasantly surprised by its performance and usability.

Design and Build Quality

The first thing that caught my eye about this deep socket is its full polish chrome finish. Not only does this give it a sleek, professional look, but it also provides corrosion resistance. This is particularly important for those of us who work in environments where tools can easily be exposed to moisture and other corrosive elements. The chrome finish ensures that the socket will maintain its quality and durability over time.

Craftsman has a long-standing reputation for producing high-quality tools, and this deep socket is no exception. The socket is made from robust steel, which gives it a solid feel in hand. It’s clear from the moment you pick it up that this is a tool designed to withstand heavy use. The weight of 1.1 pounds and dimensions of 1.1 inches in height, 4.6 inches in length, and 1.8 inches in width make it substantial enough to feel sturdy, yet not so heavy that it becomes cumbersome.

Functionality and Performance

One of the standout features of this deep socket is its 6-point design. This design engages with the flats of fasteners rather than the corners, which significantly reduces the risk of rounding off bolts. This is a crucial feature for anyone who has ever struggled with stripped bolts, as it allows for better torque application and a more secure fit.

The deep socket design is another noteworthy feature. This allows for increased accessibility to hard-to-reach fasteners, which is particularly useful when working on vehicles or in tight spaces. I found that this deep socket made it much easier to reach lug nuts on my car's wheels, something that had always been a bit of a hassle with standard sockets.

Ease of Use

One of the aspects I appreciated most about this deep socket is its ease of use. The large size markings on the socket are a small detail that makes a big difference. These markings allow for quick and easy identification of the socket size, which can save valuable time when you're in the middle of a project. No more squinting at tiny numbers or fumbling through a disorganized toolbox.

The 3/8-inch drive size is a common standard, which makes this socket compatible with a wide range of ratchets and torque wrenches. I used it with my torque wrench to tighten the lug nuts on my vehicle, and it fit perfectly. The snug fit and secure grip provided by the 6-point design gave me confidence that the tool would perform reliably.

Durability and Warranty

Durability is always a key consideration when investing in tools, and this deep socket doesn’t disappoint. The combination of steel construction and the full polish chrome finish ensures that it can handle the rigors of regular use. Whether you're a professional mechanic or a DIY enthusiast, you can count on this socket to hold up under pressure.

Craftsman backs this deep socket with a full lifetime warranty, which speaks volumes about the company’s confidence in their product. This warranty provides peace of mind, knowing that if anything were to go wrong, you would be covered. It's a testament to the quality and durability that Craftsman promises with their tools.

Recommendation

After thoroughly testing the Craftsman 3/8-in Drive 21mm 6 Point Deep Socket, I can confidently say that I would recommend it to anyone in need of a reliable, high-quality socket. Its corrosion-resistant finish, robust construction, and thoughtful design features make it a standout tool in its category. The deep socket design and 6-point engagement provide increased accessibility and torque application, making it a versatile addition to any toolbox.

Whether you're working on vehicles, tackling home improvement projects, or simply need a dependable socket for your workshop, this tool delivers on all fronts. Its ease of use, durability, and the added assurance of a lifetime warranty make it a worthwhile investment for both professionals and DIY enthusiasts alike.

In conclusion, the Craftsman 3/8-in Drive 21mm 6 Point Deep Socket is a well-crafted, reliable tool that excels in both performance and durability. It's a tool that I’m glad to have in my collection and one that I believe will serve anyone well in their various mechanical and DIY endeavors.


Project Ideas

Business

Mobile Mechanic Services

Offer mobile mechanic services, using the deep socket to perform on-site vehicle repairs and maintenance, providing convenience for customers who can't visit a garage.


Custom Furniture Business

Start a custom furniture business, using the deep socket to assemble and deliver high-quality, bespoke furniture pieces that require precise torque for durability.


Home Improvement Contracting

Launch a home improvement contracting business, using the deep socket for various projects that require secure and precise fastener tightening in confined spaces.


Tool Rental Service

Establish a tool rental service, including the deep socket in your inventory, catering to DIY enthusiasts and professionals who need specialized tools for short-term projects.


Automotive Restoration Shop

Open an automotive restoration shop, using the deep socket to ensure that all fasteners are securely tightened, providing high-quality restoration services for classic car enthusiasts.

Creative

Custom Furniture Assembly

Use the deep socket to assemble custom furniture pieces that require precise torque, ensuring tight and secure fittings for a professional finish.


Automotive Restoration Project

Engage in restoring old vehicles, using the deep socket to access and torque bolts in hard-to-reach areas, ensuring the vehicle is securely put together.


DIY Home Improvement

Tackle home improvement projects such as building a deck or installing shelving units, using the deep socket to secure fasteners in tight or recessed spaces.


Bicycle Maintenance Station

Create a dedicated bicycle maintenance station where the deep socket is used for tasks like adjusting brakes, tightening bolts, and ensuring all components are securely fastened.


Metal Sculpture Creation

Craft intricate metal sculptures that require precise assembly with bolts, using the deep socket to ensure each component is securely and accurately fastened.