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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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1/4″ 12-point Socket Bit Holder with Joint

Item no.: BD011SE

The Ko-ken Sockets Bit Holder is a high-quality, extended 12-point socket with a 1/4″ Input drive – ideal for precise…

from € 40,15

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1/4" 12-point Sockets Bit Holder with Joint

1/4″ 12-point Socket Bit Holder, 165 mm

Item no.: BD008E-165(12P)

The Ko-ken Sockets Bit Holder is an extra-long 12-point socket with a 1/4″ input drive. With a length of 165…

from € 23,55

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1/4" 12-point socket Bit Holder, 165 mm

1/4″ 12-point Socket Bit Holder, 104 mm

Item no.: BD014E

The Ko-ken Socket Bit Holder is an extended socket insert with a 1/4″ Input drive, designed for hex screws. Its…

from € 20,15

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1/4" 12-point Socket Bit Holder, 104 mm

1/4″ 6-point Socket Bit Holder, SURFACE DRIVE

Item no.: BD014E(SF)

The Ko-ken Socket Bit Holder is an extended 1/4″ socket specifically equipped with Surface Drive technology. Its length makes it…

from € 24,20

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1/4" 6-point Socket Bit Holder, SURFACE DRIVE

1/4″ 12-point Socket Bit Holder, 77 mm

Item no.: BD014SE

The Ko-ken Sockets Bit Holder is an extra-long socket bit with a 1/4″ Input drive and 12-point Output size. Its…

from € 15,75

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1/4" 12-point Socket Bit Holder, 77 mm

1/4″ 6-point Socket Bit Holder, 140 mm

Item no.: BD014E-140

The Ko-ken Socket Bit Holder is an extended 6-point socket designed for 1/4″ input drive with a length of 140…

from € 46,10

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1/4" 6-point Socket Bit Holder, 140 mm

1/4″ 6-point Socket Bit Holder, 50 mm

Item no.: BD016E

The Ko-ken Socket Bit Holder is a specialized socket insert for anchor bolts, designed for 1/4″ input drive. It is…

from € 16,00

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1/4" 6-point Socket Bit Holder, 50 mm

1/4″ 6-point Socket Bit Holder with Plastic Stop

Item no.: BD016JE

The Ko-ken Socket Bit Holder is a specialized 1/4″ socket insert designed for electric drills or screwdrivers. Thanks to its…

from € 16,30

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1/4" 6-point Socket Bit Holder for Wing Screws

1/4″ 6-point Socket Bit Holder, SURFACE DRIVE

Item no.: BD014XE

The Ko-ken Socket Bit Holder is a semi-long 1/4″ socket with Surface Drive technology. It is designed to transfer torque…

from € 19,85

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1/4" 6-point Socket Bit Holder, SURFACE DRIVE

1/4″ 6-point Socket Bit Holder with replaceable input drive shaft

Item no.: BD042E

The Ko-ken Socket Bit Holder is a precision, long-reach socket with 1/4″ 6-point input drive and hexagonal profile. Its length…

from € 51,00

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1/4" 6-point socket bit holder with interchangeable input drive shaft

Adapter for Impact Drills, 120 mm

Item no.: BD022-120P

The Ko-ken adapter is a robust impact driver adapter specifically designed to use a 3/8″ square drive socket on impact…

from € 29,85

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Adapter for Impact Drills, 120 mm

1/2″ 6-point Impact Socket, 38 mm

Item no.: BD14400MJ

6-point sockets for use with impact wrenches, suitable for tightening and loosening hexagonal screws. Robust design for reliable power transmission…

from € 13,30

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1/2" 6-point Impact Socket, 38 mm

Articulated Adapter Bit Holder

Item no.: BD024E

The Articulated Adapter Bit Holder from Ko-ken is a versatile adapter that allows you to convert tools with a 1/4″…

from € 30,45

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1/4" 6-point socket bit holder with interchangeable input drive shaft

3/8″ Socket Bit Holder for Wing Screws

Item no.: BD018

The Ko-ken Socket Bit Holder is a compact socket with 3/8″ square input drive, specifically designed for wing bolts. With…

€ 28,65

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3/8" Socket Bit Holder for Wing Screws

1/4″ 6-point Socket Bit Holder for Wing Screws

Item no.: BD017E

The Ko-ken Socket Bit Holder is a specialized socket with 1/4″ 6-point input drive – designed specifically for wing screws.…

€ 39,30

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1/4" 6-point Socket Bit Holder for Wing Screws

Adaptor Bit Holder

Item no.: BD023E

The Ko-ken Adaptor Bit Holder is a versatile adaptor that allows you to convert tools with a 1/4″ hex input…

from € 13,75

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Adaptor Bit Holder

Drive unit for HA001

Item no.: HA003-100 24mm

This precision drive unit has been specially designed for the HA001 stud installer. This insert is engineered by Ko-ken and…

€ 49,15

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Drive unit for HA001

Input drive bit for BD042E

Item no.: BIT-60E

The Ko-ken input drive bit is a 1/4″ hex bit with a length of 60 mm, made in Japan. This…

€ 4,45

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Input drive bit for BD042E

Stud Bolt Puller

Item no.: HA001

This stud bolt puller is suitable for screwing stud bolts in and out.

from € 32,75

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Stud Bolt Puller - Sketch

1/2″ Drain Plug Key

Item no.: 106 8SX10S

Drain Plug Keys – ideal for safely loosening and tightening during maintenance work. Also available as a complete set (Art.…

€ 10,05

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1/2" drain plug key

T-Handle with Swivel Spark Plug Socket, 315 mm

Item no.: 127C-315

The Koken T-Handle with integrated spark plug socket and swivel joint was designed to safely and efficiently loosen or tighten…

from € 66,95

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T-Handle with Swivel Spark Plug Socket

Screwdriver Set (Long), 4-Piece

Item no.: 1212

This 4-piece screwdriver set offers versatile applications – ideal for workshop, household, and industrial use.

€ 93,55

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Screwdriver Set (Long), 4-Piece

3/8″ 6-point Deep Socket (inch), 150 mm

Item no.: 13145A-150 9/16"

This deep socket simplifies work with its total length of 150 mm, offering extended reach without compromising stability.

€ 41,40

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3/8'' 6-point deep socket (long, inch)

1/2″ Drain Plug Key

Item no.: 106

Drain Plug Keys – ideal for safe loosening and tightening during maintenance. Also available as a complete set (Art. No.…

from € 10,05

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1/2" Drain Plug Key

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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)