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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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1″ Impact Bit Socket (Bit changeable) with Hexagon Bit, 92 mm

Item no.: 18106-16

The Ko-ken Bit Holder expands your 1″ input drive with a high-quality bit/socket holder and prepares your impact wrench for…

from € 58,85

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1" Impact Bit Sockets (Bit changeable) with Hexagon Bit, 92 mm

1″ Impact Bit Socket (Bit changeable) with Hexagon Bit (inch), 92 mm

Item no.: 18106-16(A)

The Ko-ken Bit Holder expands your 1″ input drive with a high-quality Bit/Socket Holder, making your impact wrench suitable for…

from € 60,85

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1" Impact Bit Sockets (Bit changeable) with Hexagon Bit, 92 mm

1″ Impact Bit Socket (Bit changeable)

Item no.: 18106

The Ko‑ken Bit Holder extends your 1″ input drive with a high-quality bit/socket holder, making your impact wrench ready for…

€ 49,65

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1" Impact Bit Sockets (Bit changeable)

1″ Impact Bit Socket (Bit changeable) with XZN Bit, 112 mm

Item no.: 18106-16(M)

With the Bit Holder from Ko-ken, you receive a high-quality 1″ Bit Holder including an XZN Bit — ideal for…

from € 61,05

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1'' impact bit sockets (bit changeable) with xzn bit, 112 mm

1″ Impact Bit Socket (Bit changeable)

Item no.: 18107

The Ko-ken Bit Holder expands your 1” input drive with a high-quality, durable bit holder — perfect for bits and…

€ 49,65

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1'' Impact Bit Sockets (Bit changeable)

1″ Impact Bit Socket (Bit changeable) with 6-point opening FLAT DRIVE Bit

Item no.: 18107-22

The Ko-ken Bit Holder expands your 1″ Input drive with a high-quality, durable Bit Holder — perfect for Bits and…

from € 61,85

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1'' Impact Bit Sockets (Bit changeable) with 6-point opening FLAT DRIVE Bit

1″ Impact Bit Socket (Bit changeable) with TORX® Bit, 102 mm

Item no.: 18106-16(T)

The Ko-ken Bit Holder provides your 1″ Input drive with a high-quality, robust Bit/Socket system – ideal for specialized screw…

€ 64,20

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1" Impact Bit Sockets (Bit changeable) with TORX® Bit, 102 mm

1″ Impact Bit Socket (Bit changeable)

Item no.: 18108

The Ko-ken Bit Holder transforms the 1″ Input drive into a versatile bit and socket system — ideal for screwdriving…

€ 101,10

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1" Impact Bit Sockets (Bit changeable)

1″ Impact Bit Socket (Bit changeable) with 6-point opening FLAT DRIVE Bit, 105 mm

Item no.: 18108-32

The Ko‑ken Bit Holder transforms the 1″ drive into a versatile bit and socket system — ideal for screwdriving and…

from € 132,00

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1'' impact bit sockets (bit changeable) with 6-point opening flat drive bit, 105 mm

1″ 6-point impact Socket (inch), 108 mm

Item no.: 18300A

The long 6-point Socket was specially developed for use with impact wrenches and offers maximum reliability and performance even under…

from € 74,15

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1" 6-point impact Socket, 108 mm

1″ 6-point Impact Socket, 108 mm

Item no.: 18300M

The long 6-point socket from Ko-ken is a robust, deep-design socket in metric configuration — perfect for impact wrenches, workshop…

from € 68,70

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1" 6-point impact Socket, 108 mm

1″ 6-point thin-walled impact socket (inch), 108 mm

Item no.: 18301A

This long 6-point socket from Ko-ken is a high-quality, thin-walled socket in imperial sizes — ideal for heavy-duty impact wrench…

from € 74,15

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1" 6-point Impact Socket thin-walled, 108 mm

1″ 6-point Impact Socket thin-walled, 108 mm

Item no.: 18301M

The long 6-point impact socket combines robust impact construction with extended design — for maximum torque transmission, high wear resistance…

from € 68,70

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1" 6-point Impact Socket thin-walled, 108 mm

1″ 6-point Impact Socket (mid-length), thin-wall

Item no.: 18301X

Ko-ken’s 6-point Socket is a thin-wall, mid-length Impact Socket—ideal for professional impact wrench use when stability, precision, and good accessibility…

from € 69,30

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1" 6-point Impact Socket (mid-length), thin-wall

1″ Long Impact Socket, SURFACE DRIVE, 108 mm

Item no.: 18310M

The 6-point socket from Ko-ken is a thin-walled, mid-length impact socket—ideal for professional use where stability, precision, and easy accessibility…

from € 71,85

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1" Long Impact Socket, SURFACE DRIVE

1″ 6-point Impact Socket (inch)

Item no.: 18400A

The 6-point socket from Ko-ken is a 1″ input drive impact socket in inch sizes — compact and robust construction,…

from € 45,95

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1" 6-point impact socket

1″ 6-point impact socket

Item no.: 18400M

The 6-point Sockets from Ko-ken is a 1″ input drive impact wrench socket in inch version—compact and robustly made, ideal…

from € 42,85

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1" 6-point impact socket

1″ 6-point Impact Socket, thin-wall

Item no.: 18401M

The 6-point socket from Ko-ken is a thin-wall, metric impact socket with 1″ square drive — compact and robust construction,…

from € 44,00

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1" 6-point Impact Socket, thin-walled

1″ 6-point Impact Socket (inch), thin-walled

Item no.: 18401A

Ko-ken’s 6-point Socket is a thin-walled, short to medium-length 1″ input drive Impact Socket—ideal for professional impact wrench applications when…

from € 45,95

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1" 6-point Impact Socket, thin-walled

1″ 12-point Impact Socket (inch)

Item no.: 18405A

This Ko-ken socket is a 1″ input drive impact socket in an inch version—short to medium length and designed for…

from € 51,20

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1" 12-point Impact Socket

1″ 12-point Impact Socket

Item no.: 18405M

The Ko-ken Socket is a 1″ Input drive Impact Socket in a metric design — short to medium length and…

from € 44,80

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1" 12-point Impact Socket

1″ 12-point Impact Socket for drive shafts

Item no.: 18405M(D)

The Ko‑ken Socket is a metric, short to medium-length 1″ Impact Socket with a 12-point profile — robust and compact,…

from € 92,25

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1'' 12-point impact socket for drive shafts

1″ Impact Socket, SURFACE DRIVE

Item no.: 18410M

The Ko-ken Socket is a 1″ input drive Impact Socket with a Surface Drive profile—robust and thoughtfully engineered for professional…

from € 44,80

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1" Impact Socket, SURFACE DRIVE

Impact wrench adaptor 1″ to 3/4″, 200 mm

Item no.: 18866A-200

The Ko‑ken adaptor converts a 1″ square input drive to a 3/4″ square drive — ideal for using a powerful…

€ 83,75

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Impact Wrench Adaptor 1" to 3/4", 200 mm

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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)