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Ko-ken Tool Co., Ltd.

Ko-ken has stood for high-quality hand tools „Made in Japan“ for decades. The brand is known worldwide for precise manufacturing, durable materials and outstanding workmanship. In sockets and impact tools in particular, Ko-ken is the benchmark for professional use in industry, workshops and mobility.

Discover the tools from Ko-ken – built for everyone who relies on absolute reliability and precision.

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3/4″ Impact Socket TORXPLUS®, 60 mm

Item no.: 16425(EPL)

The Ko-ken socket with 3/4″ input drive features the special TORXPLUS® profile. It is ideal for TORXPLUS® screws where precise…

from € 43,65

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3/4" TORX® impact Socket

3/4″ Impact Socket, SURFACE DRIVE

Item no.: 16410M

The Ko-ken 3/4″ Surface-Drive socket fits perfectly on the nut. Thanks to its special profile, it grips the flat sides…

from € 26,85

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3/4" Impact Socket, SURFACE DRIVE

Impact Adaptor 3/4″ to 5/8″

Item no.: 16655A

The Ko-ken adaptor reduces a 3/4″ input drive to 5/8″ and is ideal when using impact sockets or accessories in…

€ 39,85

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Impact Adaptor 3/4'' to 5/8''

Impact Adaptor 3/4″ to 1″

Item no.: 16688A

This Ko-ken adaptor expands your 3/4″ input drive to 1″, transforming your existing equipment into a significantly more versatile tool.…

from € 39,85

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Impact Adaptor 3/4'' to 1''

Impact Adaptor 3/4” to 1/2”

Item no.: 16644A

The Ko-ken impact adaptor that reduces a 3/4″ input drive to 1/2″ is ideal when using 1/2″ sockets with a…

€ 35,00

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Impact Adaptor 3/4'' to 5/8''

Impact Adaptor 3/4″ to 1/2″ with Quick Release

Item no.: 16644AL

The Ko-ken adaptor converts a 3/4″ input drive to 1/2″ output. Perfect for using 1/2″ sockets with a powerful 3/4″…

€ 102,85

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Impact Adaptor 3/4" to 1/2" with Quick Release

3/4″ TORX® impact Socket

Item no.: 16425(E)

The Ko-ken 3/4″ TORX® Socket is ideal for impact wrench work on TORX fasteners. The precise TORX® profile engages securely…

from € 35,10

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3/4" TORX® impact Socket

3/4″ Impact Wrench Adaptor with Quick Release

Item no.: 16666AL

The Ko-ken Impact Wrench Adaptor with Quick Release is ideal for fast and convenient socket changes. The mechanism allows easy…

€ 127,20

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3/4" Impact Wrench Adaptor with Quick Release

3/4″ Impact Universal Joint

Item no.: 16770

With the Ko-ken Universal Socket, you expand your 3/4″ impact wrench equipment with a universal joint — ideal when a…

€ 88,25

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3/4'' Impact Universal Joint

3/4″ Impact Extension Bar

Item no.: 16760

With the Ko-ken Impact Extension Bar, you can extend your 3/4″ Input drive, opening up new possibilities for your workshop…

from € 46,55

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3/4" Impact Extension Bar

3/4″ Impact Universal Joints

Item no.: 16771

Expand your 3/4″ impact wrench equipment with the Ko-ken Universal Socket — ideal for when bolts or nuts are not…

€ 92,25

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3/4'' Impact Universal Joints

1 1/2″ Impact Bit Socket (Bit changeable) with Hexagon Bit, 115 mm

Item no.: 17108-32

The Ko-ken 1 1/2-inch Impact Bit Sockets (Bit changeable) elevate your equipment to a new level of performance, especially when…

from € 260,05

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1 1/2-inch Impact Bit Sockets (Bit changeable) with Hexagon Bit, 115 mm

1.1/2″ 6-point impact wrench socket (inch)

Item no.: 17300A

The Ko-ken socket is an exceptionally robust 1½” socket with a 6-point profile—ideal for impact wrenches and high-performance applications. It…

from € 823,30

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1.1/2" 6-point impact wrench socket

1 1/2″ Impact Bit Socket (Bit changeable)

Item no.: 17108

With the Ko-ken Bit Holder, you get a high-quality Impact Bit Socket (Bit changeable) for 1 1/2″ input drive. This…

€ 229,15

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1 1/2" Impact Bit Sockets (Bit changeable)

1.1/2″ 6-point Impact Socket

Item no.: 17300M

You receive a particularly high-quality impact socket with 1½” input drive and 6-point profile — designed for demanding fastening and…

from € 762,30

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1.1/2" 6-point impact wrench socket

1-1/2″ 6-point Impact Socket (inch)

Item no.: 17400A

If you need to install or remove heavy nuts, large screw connections, or massive components—such as on trucks, machinery, or…

from € 228,40

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1-1/2" 6-point Impact Socket

1 1/2″ 6-point Impact Socket

Item no.: 17400M

If you need to assemble or loosen heavy nuts, large screw connections, or massive components — for example, on trucks,…

from € 211,85

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1-1/2" 6-point Impact Socket

1.1/2″ 12-point Impact Socket (inch)

Item no.: 17405A

With the Impact Socket, you get a professional 12-point socket with a 1½” square input drive—ideal for powerful impact wrenches…

from € 240,20

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1.1/2" 12-point Impact Socket

1.1/2″ 12-point Impact Socket

Item no.: 17405M

With the Ko-ken socket, you receive a professional 12-point impact socket with 1/2″ square input drive — perfect for heavy-duty…

from € 228,40

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1.1/2" 12-point Impact Socket

Impact Adaptor 1.1/2″ to 1″

Item no.: 17788A

The Ko-ken Adaptor reduces your ½” input drive to 1″—ideal if you already use 1″ sockets or accessories. At 98…

€ 235,35

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Impact Adaptor 1.1/2'' to 1''

1″ Impact Socket for Spring Bolts, 170 mm

Item no.: 18104M

The Ko-ken socket is a robust 1″ impact socket with a length of 17 mm — ideal for work on…

from € 112,10

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1" Impact Socket for Spring Bolts, 170 mm

1.1/2″ Impact Universal Joints

Item no.: 17770

The Ko‑ken Universal Socket is a robust joint for 1.1/2″ impact wrenches — designed to enable bolting or assembly work…

€ 1.178,85

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1.1/2'' Impact Universal Joints

1.1/2″ Impact Extension Bar

Item no.: 17760

With the Ko‑ken extension, you expand your 1.1/2″ impact wrench with essential length and flexibility — ideal when bolts or…

from € 593,90

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1.1/2'' Impact Extension Bar

Impact Adaptor 1.1/2″ to 2.1/2″

Item no.: 17799A

With the Ko-ken Adaptor, you get a powerful impact adapter that extends your 1½″ input drive and makes it compatible…

€ 717,95

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Impact Adaptor 1.1/2'' to 2.1/2''

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Input drive

Input drive
  • 3/8" (4)
  • 1/4" (2)

Input drive profile

Input drive profile
  • Internal Square (4)
  • External Square (1)

Output size

Output size
  • 3/8" (3)
  • 1/4" (1)

Output profile

Output profile
  • External Square (4)