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Best Metric Triple Square Drive Sockets of 2026

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Jennifer Fraser

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Metric Triple Square Drive Sockets are a type of socket wrench used for tightening or loosening bolts and screws with triple square heads, commonly found in German-made cars and machinery. These sockets are made of high-quality materials and are designed to fit snugly onto the triple square head, providing a secure grip that minimizes the risk of stripping or rounding the bolt. They come in a variety of sizes to fit different bolt heads, and are an essential tool for mechanics and DIY enthusiasts who work on German-made vehicles or machinery.

At a Glance: Our Top Picks

FOCMKEAS 1/2-Inch Drive x M17 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter Cover #TOP 1

FOCMKEAS 1/2-Inch Drive x M17 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter

9.8
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FOCMKEAS M16 Impact XZN Spline Bit Socket Cover #TOP 2

FOCMKEAS M16 Impact XZN Spline Bit Socket

9.7
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sourcing map 1/2" Drive x M20 Impact Triple Square Spline Bit Socket, Metric 3" Length Cover #TOP 3

sourcing map 1/2" Drive x M20 Impact Triple Square Spline Bit Socket, Metric 3" Length

9.5
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Top 10 Metric Triple Square Drive Sockets

#TOP 1

FOCMKEAS 1/2-Inch Drive x M17 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter

  • FOCMKEAS
  • B0CG6T5S75
  • Black
FOCMKEAS 1/2-Inch Drive x M17 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter Cover

FOCMKEAS 1/2-Inch Drive x M17(17mm) Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter, 3-Inch Length, CR-MO Steel, One-Piece Construction, Black

Features

  • [Material] Made By Drop Forged, Heat Treated Heavy Duty Chrome Molybdenum (cr-Mo) Steel With A Corrosion-Resistant Black Phosphate Finish, High Strength, Explosion-Proof And Durability.
  • [Size] 1/2" Square Drive Socket, M17 XZN Spline Bit, 3.07" (78mm) Total Length. The Lengthened Design Makes It Suitable For More Work Scenarios.
  • [Pin Hole Design] Individual Pinhole Base Design Adds Extra Security By Placing In A Locking Pin For Stability When Exerting Strong Torque Motion.
9.8
FTB Score
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#TOP 2

FOCMKEAS M16 Impact XZN Spline Bit Socket

  • FOCMKEAS
  • B0CG6SM4XS
  • Black
  • M16 with hole
FOCMKEAS M16 Impact XZN Spline Bit Socket Cover

FOCMKEAS 1/2-Inch Drive x M16(16mm) Impact XZN Triple Square Spline Bit Socket, Security Tamper Proof Metric Lengthen Screwdriver Socket Adapter, 3-Inch Length, One-Piece Construction, CR-MO, Black

The FOCMKEAS XZN Spline Bit is a robust 1/2-inch drive socket designed for M16 (16mm) XZN spline bits. Its lengthened 3.07-inch design allows you to tackle a variety of tasks with ease. Made from heavy-duty chrome molybdenum steel, this socket is not only durable but also explosion-proof, ensuring it withstands the rigours of impact use. The pinhole base design provides added security for stability when applying strong torque, making it an essential tool for any automotive enthusiast.

9.7
FTB Score
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What We Like

  • Durable chrome molybdenum steel
  • Lengthened design for versatility
  • Impact grade for heavy use
  • Secure pinhole base design
  • Laser etched size markings
#TOP 3

sourcing map 1/2" Drive x M20 Impact Triple Square Spline Bit Socket, Metric 3" Length

sourcing map 1/2" Drive x M20 Impact Triple Square Spline Bit Socket, Metric 3" Length Cover

sourcing map 1/2" Drive x M20(20mm) Impact Triple Square Spline Bit Socket, Metric 3" Length, CR-MO Steel Use with Impact Drivers or Hand Ratchets

Features

  • [Torque Strength] - Chrome Molybdenum Steel Provides Excellent Durability And Strength With Every Impact Movement; Black Phosphate Finish For Extra Protection Against Rust And Corrosion.
  • [Size] - 1/2-Inch Drive Socket, M20(20mm) Bit, 78mm / 3.07-Inch Total Length.
  • [Pin Hole] - Individual Pinhole Base Design Adds Extra Security By Placing In A Locking Pin For Stability When Exerting Strong Torque Motion.
9.5
FTB Score
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#TOP 4

FOCMKEAS 1/2-Inch Drive x M13 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter

  • FOCMKEAS
  • 1273ff8f-972c-4868-a9b3-13915a75ae0d
  • Black
  • M13 US
FOCMKEAS 1/2-Inch Drive x M13 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter Cover

FOCMKEAS 1/2-Inch Drive x M13(13mm） Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter, 3-Inch Length, CR-MO Steel, One-Piece Construction, Black

Features

  • [Material] Made By Drop Forged, Heat Treated Heavy Duty Chrome Molybdenum (cr-Mo) Steel With A Corrosion-Resistant Black Phosphate Finish, High Strength, Explosion-Proof And Durability.
  • [Size] 1/2" Square Drive Socket, M13 XZN Spline Bit, 3.07" (78mm) Total Length. The Lengthened Design Makes It Suitable For More Work Scenarios.
  • [Pin Hole Design] Individual Pinhole Base Design Adds Extra Security By Placing In A Locking Pin For Stability When Exerting Strong Torque Motion.
9.4
FTB Score
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#TOP 5

FOCMKEAS 1/2-Inch Drive x M15 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter

  • FOCMKEAS
  • B0CG6R35F4
  • Black
FOCMKEAS 1/2-Inch Drive x M15 Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter Cover

FOCMKEAS 1/2-Inch Drive x M15(15mm） Impact XZN Triple Square Spline Bit Socket, Metric Lengthen Screwdriver Socket Adapter, 3-Inch Length, CR-MO Steel, One-Piece Construction, Black

Features

  • [Material] Made By Drop Forged, Heat Treated Heavy Duty Chrome Molybdenum (cr-Mo) Steel With A Corrosion-Resistant Black Phosphate Finish, High Strength, Explosion-Proof And Durability.
  • [Size] 1/2" Square Drive Socket, M15 XZN Spline Bit, 3.07" (78mm) Total Length. The Lengthened Design Makes It Suitable For More Work Scenarios.
  • [Pin Hole Design] Individual Pinhole Base Design Adds Extra Security By Placing In A Locking Pin For Stability When Exerting Strong Torque Motion.
9.2
FTB Score
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#TOP 6

Sourcingmap 10mm 6-Point Shallow Socket Set

Sourcingmap 10mm 6-Point Shallow Socket Set Cover

sourcingmap 2 Pcs 1/4-Inch Drive 10mm 6-Point Shallow Socket, Metric, Cr-V

The Sourcingmap 10mm Socket is designed for convenience and efficiency. With a 1/4-inch drive and a length of 25mm, it fits easily into tight spaces, making it ideal for intricate tasks. The chrome vanadium steel construction ensures durability and strength, allowing you to tackle repairs with confidence. Its mirror chrome plated finish resists corrosion, maintaining its appearance over time. The high-torque 6-point design grips the flat sides of fasteners, preventing any rounding off, which is essential for maintaining the integrity of your tools and fasteners.

9.2
FTB Score
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What We Like

  • Durable chrome vanadium steel
  • Corrosion-resistant finish
  • Fits into tight spaces
  • Prevents fastener rounding
  • Ideal for general repairs
#TOP 7

CASOMAN 9-Piece Low Profile Impact Bit Set

CASOMAN 9-Piece Low Profile Impact Bit Set Cover

CASOMAN 9-Piece Low Profile Impact Triple Square Bit Socket Set, Includes Storage Rail, 1/4", 3/8" and 1/2" Drive, CR-MO Steel, Designed for Impact Use

The CASOMAN Impact Bit Set is crafted from drop forged, heat-treated chrome molybdenum steel, ensuring durability and strength for tough tasks. Its corrosion-resistant black phosphate finish protects the bits, extending their lifespan. This 9-piece set includes various sizes that cater to different needs, making it versatile for your projects. The low profile design allows you to access confined spaces easily, while the precision chamfered bit ends ensure smooth insertion, enhancing your efficiency when working in tight spots.

9.2
FTB Score
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What We Like

  • Durable chrome molybdenum steel
  • Corrosion-resistant finish
  • Versatile size options
  • Low profile for tight spaces
  • Precision chamfered bit ends
#TOP 8

CoCud Impact Triple Square Spline Bit Socket, M16 Bit 1/2" Drive, Tamper Proof Metric Screwdriver Socket Adapter

  • CoCud
  • cuf240126dd000368eu
  • Variety pack
CoCud Impact Triple Square Spline Bit Socket, M16 Bit 1/2" Drive, Tamper Proof Metric Screwdriver Socket Adapter Cover

CoCud Impact Triple Square Spline Bit Socket, M16 Bit 1/2" Drive, Tamper Proof Metric Screwdriver Socket Adapter - (Applications: for Torque Wrench)

Features

  • Wide Applications --- The Independent Pin-Hole Base Design Adds Extra Security And Works With A Pin And O-Ring System To Ensure Secure Retention Of The Socket. Also Works Perfectly With Impact Wrenches Using Friction Rings Or Detent Labor Saving Wrench.
  • Impact Triple Square Spline Bit Socket Size --- Driver Size: 1/2-Inch; Bit Size: M16; Total Length: 78mm / 3.07-Inch; Bit Length: 55mm / 2.15-Inch
  • Useful Tips --- Avoid Using Excessive Force, As It May Cause Damage To The Socket, Fastener, Or Tool. Regularly Inspect The Socket For Signs Of Wear Or Damage, And Replace It If Necessary.
9.1
FTB Score
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#TOP 9

AMTOVL 15-Piece Triple Square Spline Bit Set

AMTOVL 15-Piece Triple Square Spline Bit Set Cover

AMTOVL 15-Piece Triple Square Spline Bit Socket Set - S2 Alloy Steel & 50BV30 CRV XZN Bits - Includes 1/4", 3/8", 1/2" Drive Sizes (4,5,6,8,9,10,16,18mm) with Adapter - Fit for Automotive & DIY

The AMTOVL Spline Bit Set includes 10 sockets and 5 adapters, providing you with a comprehensive toolkit for various tasks. Made from durable S2 alloy steel and 50BV30 CR-V, these bits ensure long-lasting performance. The included adapters allow for compatibility with different tools, making it easy to switch between sockets and drivers. This set is perfect for automotive repair tasks, delivering optimal torque for components like brakes and engines. The blow-moulded case also offers convenient storage and transport, keeping your tools organised and secure.

8.9
FTB Score
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What We Like

  • Durable S2 alloy steel construction
  • Includes multiple adapters
  • Ideal for automotive repairs
  • Convenient storage case
  • Versatile socket compatibility
#TOP 10

CoCud Impact Triple Square Spline Bit Socket, M18 Bit 1/2" Drive, Metric Lengthen Screwdriver Socket Adapter

  • CoCud
  • cuf240126dd000367eu
CoCud Impact Triple Square Spline Bit Socket, M18 Bit 1/2" Drive, Metric Lengthen Screwdriver Socket Adapter Cover

CoCud Impact Triple Square Spline Bit Socket, M18 Bit 1/2" Drive, Metric Lengthen Screwdriver Socket Adapter - (Applications: for Torque Wrench)

Features

  • Wide Applications --- The Independent Pin-Hole Base Design Adds Extra Security And Works With A Pin And O-Ring System To Ensure Secure Retention Of The Socket. Also Works Perfectly With Impact Wrenches Using Friction Rings Or Detent Labor Saving Wrench.
  • Impact Triple Square Spline Bit Socket Size --- Driver Size: 1/2-Inch; Bit Size: M18; Total Length: 78mm / 3.07-Inch; Bit Length: 55mm / 2.15-Inch
  • Useful Tips --- Avoid Using Excessive Force, As It May Cause Damage To The Socket, Fastener, Or Tool. Regularly Inspect The Socket For Signs Of Wear Or Damage, And Replace It If Necessary.
8.8
FTB Score
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Frequently Asked Questions (FAQs)

1. What are triple square sockets?

The triple square, also known as XZN, is a type of screw drive with 12 equally spaced tips, each with a 90 degree angle. Its name derives from overlaying 3 equal squares to form such a pattern with 12 right-angled tips. Common sizes are 6, 8, 10, and 12 mm.

2. Where are triple square sockets used?

12-stared XZN/triple square fasteners are often used in high torque automotive applications such as cylinder head bolts and drive train components. Here the many angles of the corresponding bit sockets can generate the increased torque needed.

3. Do they make square sockets?

Sockets & Drivers for Square head Bolts Try using a socket that fits the number of corners on your square head bolts. These Square Socket or 4-point sockets fit many of the common head sizes we sell. Sockets for square head bolts and Square Nuts. Bolts and screws are classified by their shank or shaft size.

4. What is square drive socket?

The basic contemporary form of socket is hexagonal, referred to as "6-point" for the pointed intersections where its six solid sided facets meet. These are attached to the driving tool via a male/female square connection fitting (called the square drive).

Editor's Notes

During our metric triple square drive socket research, we found 306 metric triple square drive socket products and shortlisted 10 quality products. We collected and analyzed 5,788 customer reviews through our big data system to write the metric triple square drive sockets list. We found that most customers choose metric triple square drive sockets with an average price of £11.40.

The metric triple square drive sockets are available for purchase. We have researched hundreds of brands and picked the top brands of metric triple square drive sockets, including FOCMKEAS, sourcing map, Uxcell, CASOMAN, CoCud.

Written by

Jennifer Fraser Avatar

Jennifer Fraser

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.