Triple Square Socket For Secure Precision Fastener Removal

Discover the best triple square socket for precise and reliable performance. It is ideal for professional mechanics.

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Triple square XZN or 12-point spline sockets are specialized tools for removing and installing secure precision fasteners. These fasteners are commonly found in European vehicles but can also be used in other applications, such as high-performance engines and industrial machinery.

How Mechanicaddicts Chooses the Triple Square Socket 

As an automotive enthusiast, finding the right tools can often be daunting. Especially when it comes to triple square sockets, where quality and durability are crucial for efficient repairs. That's why at Mechanicaddicts, we have researched for you and compiled a list of the best triple square sockets on the market.

Lexivon XZN Triple Square Spline Bit Socket Set

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Why We Like This Socket Set

The LEXIVON XZN Triple Square Spline Bit Socket Set is a must-have addition to any mechanic or automotive enthusiast's toolkit. Crafted from high-quality metal materials and designed specifically for European vehicles such as BMW, Mercedes, VW, Audi, Porsche, and more, this set of 10 pieces is built to last.

Each socket is drop-forged and heat-treated with durable S2 alloy steel bits to reduce wear-outs over time. The hardened Chrome Vanadium steel sockets increase turning power for smooth and efficient work. Plus, the fully polished chrome-plated mirror finish adds complete rust and corrosion resistance, ensuring the longevity of these tools.

These sockets are functional and long-lasting and offer a comfortable user experience. The precision chamfered bit ends allow for smooth insertion, while the stamped sizes on both the sockets and the heavy-duty storage case facilitate easy recognition and organization.

Invest in the LEXIVON XZN Triple Square Spline Bit Socket Set for fast and efficient work on European vehicles.

Lexivon XZN Triple Square Spline Bit Socket Set
Lexivon XZN Triple Square Spline Bit Socket Set

Key Benefits:

  • Comprehensive Set: Includes ten meticulously crafted pieces, making it versatile for various tasks on European vehicles.
  • High Durability: Drop-forged, heat-treated S2 alloy steel bits reduce wear-outs, while hardened Chrome Vanadium steel sockets increase turning power.
  • Rust and Corrosion Resistant: Fully polished, chrome-plated mirror finish and Zinc Phosphate bit treatment ensure long-lasting performance.
  • User-Friendly Design: Precision chamfered bit ends to ensure smooth insertion, and the sockets and storage case stamped sizes are easily recognizable.
  • Professional Quality: Built to meet the needs of mechanics and automotive enthusiasts, guaranteeing efficient and reliable work.

Neiko 10057A XZN Triple Square Bit Set

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Why We Like This Socket Set

The Neiko 10057A XZN Triple Square Bit Set is a versatile and durable set that will revolutionize your toolkit. Made with high-quality alloy steel, this set features 20 triple square bits perfect for use with tamperproof nuts, cylinder head bolts, and other engine bolts. Each piece is precisely machined for accurate size and boasts a chrome finish for longevity.

But that's not all—this set also includes an extra-long 4" 12-point socket, ideal for reaching those hard-to-get areas in your vehicles. The heavy-duty sockets are made of premium S2 alloy steel, providing superior hardness and reducing wear-outs for long-term use. You'll have the perfect tool for any job with a range of sizes from 4mm to 18mm.

The sturdy plastic case makes transporting and organizing this set easy, ensuring secure storage and effortless carrying. With tamperproof and standard options included, the Neiko 10057A XZN Triple Square Bit Set will provide fast and efficient results every time.

Neiko 10057A XZN Triple Square Bit Set
Neiko 10057A XZN Triple Square Bit Set

Key Benefits:

  • Versatility: This kit includes 20 triple square bits suitable for tamperproof nuts, cylinder head bolts, and various engine bolts.
  • Precision: Finely crafted and precisely machined ends ensure accurate size and smooth insertion into fasteners.
  • Durability: It is made from premium S2 alloy steel with a high-strength chrome vanadium steel socket for superior torque and longevity.
  • Extended Reach: Extra long 4" 12-point sockets facilitate access to hard-to-reach areas in vehicles.
  • Easy Storage: Comes with a sturdy plastic organizing case for secure storage and convenient portability.
  • Comprehensive: Offers tamperproof and standard options with sizes ranging from 4mm to 18mm.

Capri Tools XZN Triple Square Bit Socket Set

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Why We Like This Socket Set

The Capri Tools XZN Triple Square Bit Socket Set is the ultimate choice for professional mechanics and technicians who demand high-quality tools to tackle even the most challenging jobs. Each bit socket in this 14-piece set is meticulously crafted from custom-forged premium steel, then heat-treated and precision-machined to ensure exceptional performance under extreme conditions.

Built to withstand high torque without twisting or breaking, these bit sockets are made from premium S2 steel, offering unmatched strength and durability. The chamfered end design ensures a smooth fit onto fasteners, providing maximum grip and reducing the risk of stripping or damaging them.

To facilitate organization and storage, the set comes with a Mechanic's Tray that fits perfectly into standard tool chests. With dimensions of 15.7 inches in length, 7.5 inches in width, and 1.25 inches in height (1.5 inches with bit sockets stored), this tray ensures easy access to all your XZN triple square bit sockets.

Capri Tools XZN Triple Square Bit Socket Set
Capri Tools XZN Triple Square Bit Socket Set

Key Benefits:

  • Exceptional Durability: Crafted from premium S2 steel, our bits are designed to resist twisting and breaking, ensuring longevity and consistent performance.
  • Precision Fit: Chamfered ends provide a smooth and secure fit onto fasteners, minimizing the risk of stripping and damage.
  • Comprehensive Set: This set includes a variety of regular, long, and tamper-proof bits to accommodate diverse applications, especially on European vehicles.
  • Corrosion Resistance: The MaxChrome plating on the chrome vanadium sockets offers unbeatable corrosion resistance and a polished, professional finish.
  • Efficient Storage: Comes with a custom Mechanic's Tray that fits standard tool chests, making organization and accessibility straightforward.
  • Professional Grade: Engineered for the most demanding professionals, ensuring reliable performance under extreme conditions.

Oemtools 23906 10 Piece Magnetic Triple Square Bit Socket Set

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Why We Like This Socket Set

The Oemtools 23906 10 Piece Magnetic Triple Square Bit Socket Set is designed to make repair jobs more accessible and efficient. This high-quality set features powerful magnets that prevent nuts, bolts, or fasteners from being dropped, eliminating any worry of lost hardware on the job.

The triple square sockets are 2 inches long, allowing easy access in tight and awkward spaces. With a range of sizes from M4 to M18 and three different drive systems (Triple Square and Square), this versatile set is perfect for various projects.

Crafted from durable S2 steel with a chrome-plated finish and zinc phosphate treatment, this set is built to endure the elements and reduce premature wear. The included storage case allows for secure transport and features embossed bit sizes for easy identification. The Oemtools 23906 10 Piece Magnetic Triple Square Bit Socket Set is a must-have addition to any toolkit, offering convenience, functionality, and durability for all your repair needs.

Oemtools 23906 10 Piece Magnetic Triple Square Bit Socket Set
Oemtools 23906 10 Piece Magnetic Triple Square Bit Socket Set

Key Benefits:

  • Powerful Magnets: Prevents nuts, bolts, or fasteners from being dropped, ensuring you never lose hardware on the job.
  • Easy Access: Sockets are 2 inches long and perfect for quickly reaching tight, awkward spaces.
  • Durable Construction: It is made from S2 steel with a chrome-plated finish and zinc phosphate treatment to resist rust and corrosion.
  • Versatile Sizes: This includes 1/4", 3/8”, and 1/2" drive triple square bits ranging from M4 to M18, catering to various projects.
  • Secure Storage: Comes with a storage case that has embossed bit sizes for easy identification and safe transport.


Triple Square Socket FAQs:

What Is a Triple Square Socket?

A triple square socket, also known as an XZN or spline socket, is a specialized tool for loosening and tightening high torque fasteners commonly found in German vehicles. It features a 12-point, star-shaped design that allows it to grip the fastener at three points instead of just two like a traditional hex socket.

Do I Need Special Tools To Use a Triple Square Socket?

You will need a set of triple square sockets to handle these fasteners properly. Their unique design makes them incompatible with regular hex sockets, which could potentially damage the fastener or the tool.

Can Triple Square Sockets Be Used on Any Vehicle To Provide Fast Removal or Installation?

While they are commonly found in German vehicles, triple square sockets can also be used on other makes and models that use high-torque fasteners of a similar size and shape. It is always important to check your vehicle's specifications before using a triple square socket.

What Sizes Are Available for Triple Square Sockets To Remove Fasteners?

Triple square sockets come in various sizes, ranging from 4mm to 24mm. Most sets will include sizes 8mm, 10mm, and 12mm. It is vital to have a complete set on hand to ensure you have the right size for any job.


Final Thoughts and Review About Triple Square Socket 

In today's fast-paced world, having the right tools is essential for getting the job done efficiently and effectively. And with automotive repair and maintenance, having a triple square socket in your toolbox can make all the difference.

From their unique shape and design to their durability and versatility, triple square sockets have become a staple in most mechanics' toolboxes. They are used for specialized tasks such as working on European cars and are also handy for various other jobs. So review the set you like and have the company ship it to your door.

Thank you for reading!

Your friend,


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