
Best selling Nut drivers + Sockets from Koken
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1. Koken Hex socket
The Koken hex socket extension is a high-quality tool designed for machine-operated screw fastening. With a connection size of 1/2 inch and a wrench size of 21 mm, this long extension offers optimal performance and durability. Made from chrome-molybdenum steel and treated with manganese phosphate, it is particularly resistant to wear and corrosion. The special design featuring a cross hole and ring groove allows for secure fastening, enhancing handling and efficiency during use. This socket extension is ideal for professional applications in the automotive and mechanical engineering industries, as well as for demanding DIY projects. Made in Japan, it meets the DIN standard 14300M, providing reliable quality that meets the needs of modern workshops.
- Made from high-quality chrome-molybdenum steel for increased longevity
- Manganese phosphate treated for added corrosion protection
- Designed with a cross hole and ring groove for secure fastening.

2. Koken Impact socket 14401M
KOKEN Hexagon socket wrench bit Impact 14401M, 36 mm
The Impact Socket 14401M from KOKEN ensures maximum durability and reliability for striking tools, and also provides excellent accessibility, even in confined spaces. With their exact fit, different sizes and clear identification, they are extremely versatile and indispensable in any workshop. Every single socket is thin-walled with extreme precision to ensure a flawless fit and efficient power transmission. This minimises the risk of damage to tools and screws. In addition, the socket wrenches have ball-catch recesses to ensure a secure connection between the drive tool and the socket wrench, and a cross-drilled ring groove for fastening in machine-operated screwdriving applications.
Properties:
• Thin-walled for easy accessibility
• Precise tolerances for a flawless fit
• Ball-catch recesses for secure connection
• Made of high-strength chrome-molybdenum steel.

3. Koken Wobble extension
Koken Wobble Extension, 3/8" - 250 mm / 3763-250
Koken 3763, made of chrome-vanadium steel, chrome-plated, with knurling.
Wobble extensions can be used in two ways:
- Fully inserted and rigid
- Half inserted, with an operating angle of 15°.

4. Koken 3/4" long hex impact head 33mm
Koken hexagonal socket 3/4" impact 16300M, long version, 33 mm.
Koken impact 16300M, long version, features a cross hole and annular groove for fastening, designed for machine-operated screw tightening. Made of chrome-molybdenum steel and manganese-phosphated.

5. Koken Socket wrench TORX® Impact 14025-60
KOKEN Socket Wrench for TORX® Screws Impact 14025-60, T55
The Impact 14025-60 socket insert for TORX® screws from KOKEN is made of high-strength, durable chrome-molybdenum steel that withstands even the most demanding requirements over time. This socket insert is suitable for a wide range of applications in mechanics, including automotive repair, mechanical engineering, construction, and more. With an impressive torque capacity, this socket insert can tighten or loosen screws with precision and ease, even in challenging applications.
Features:
• Very high impact resistance
• Laser marking for quick identification
• High-quality materials for long lifespan
• Fast and easy connection mechanism.

6. Koken 1/2" Steckschlüsselsatz für Innensechskantschrauben

Koken 1/2" Steckschlüsselsatz für Innensechskantschrauben
7. Koken Bi-hexagon socket
The Koken twelve-point socket insert 6405M is a high-quality tool designed for professional applications. With a connection size of 3/4 inch and a key width of 19 mm, this socket insert provides a precise fit for various screw connections. Made from robust chrome-molybdenum steel, the insert is characterized by its durability and resilience. The chrome-plated surface not only gives it an appealing look but also protects against corrosion and wear. This socket insert meets the DIN 3124 and ISO 2725-1 standards, underscoring its quality and reliability. With a length of 50 mm, it is versatile and ideal for professional use in workshops or for DIY projects.
- Made from chrome-molybdenum steel for high durability
- Chrome-plated surface protects against corrosion
- Meets DIN 3124 and ISO 2725-1 standards for quality assurance.

8. Koken Hexagon insert bit 3/8" with ball head
The 3/8" hex socket wrench with ball head from Koken is a high-quality tool specifically designed for use with hexagonal screws. Made from robust chrome-molybdenum steel and chrome-plated, this bit socket offers both durability and corrosion resistance. The integrated grip ring ensures a secure hold and facilitates handling, especially in tight or hard-to-reach areas. With a key width of 10 mm and a blade length of 35.5 mm, this socket wrench is versatile and suitable for various applications in the workshop or DIY projects. Its compact design and precise workmanship make it an indispensable tool for any toolbox.
- Made from high-quality chrome-molybdenum steel for increased durability
- Chrome-plated surface for additional corrosion protection
- Grip ring for improved hold and easy handling
- Compact design for use in tight spaces.

9. Koken Extension Impact 13760-P 3/8"
KOKEN Extension Impact 13760-P, 3/8"-75 mm
The Impact Extension 13760-P with integrated safety pin from KOKEN is designed for impact wrenches and impact tools. Made from high-quality and durable material, the extension is robust enough to withstand the demands of professional environments. It has been precisely manufactured to ensure a perfect fit and maximum performance, without any play or wobble. The integrated pin-lock mechanism provides a secure connection between the extension and the impact tool, minimizing the risk of unwanted separations.
Features:
• Made from sturdy and durable material
• Secure attachment thanks to pin-lock mechanism
• Designed for high impact loads
• Very high rust resistance.

10. Koken Hexagonal extended hand spanner 3/4", for screws and nuts, 20 mm

Koken Hexagonal extended hand spanner 3/4", for screws and nuts, 20 mm