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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″ Connection Part with Square Male, Ball Type, 100 mm

Item no.: 117-100P

Connection part with ball type ensures a secure hold and reliable power transmission.

€ 10,95

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1/4" Connecting Part with Square Male, Pin-Type

1/4″ Nut Setter with retractable magnet, 75 mm

Item no.: 115G-75

The Nut Setter features an integrated, retractable magnet that reliably holds screws in place. This provides the functionality of a…

from € 24,85

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1/4" Nut Setter with retractable magnet, 75 mm

1/4″ Connecting Part with Square Male, Ball-Type, 50 mm

Item no.: 117-50P

Connecting part with ball-type ensures a secure hold and reliable power transmission.

€ 9,30

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1/4" Connecting Part with Square Male, Pin-Type

1/4″ Square Male Ball-Type Adapter, 100 mm

Item no.: 117-100B

The Ball-Type adapter ensures a secure hold and reliable power transmission.

€ 10,95

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1/4" Connection Piece with Square Male, Ball-Type

1/4″ Connection Piece with Square Male, Ball-Type, 50 mm

Item no.: 117-50B

The Ball-Type connection piece ensures a secure hold and reliable power transmission.

€ 9,30

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1/4" Connection Piece with Square Male, Ball-Type

1/4″ Magnetic Socket (Inch)

Item no.: 119(inch)

The Ko-ken magnetic socket is a robust screwdriver attachment that securely grips nuts and ensures optimal power transmission thanks to…

€ 12,55

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1/4'' Magnetic Sockets

3/8″ connector with Square Male, pin type, 50 mm

Item no.: 120-50P

The ball-type connector ensures a secure hold and reliable power transmission.

€ 10,60

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3/8" connector with Square Male, pin type

1/4″ Impact Driver Bit Holder

Item no.: 12139

Bit Holder for impact drivers. Ensures a secure grip for bits and reliable power transmission during screwdriving.

€ 13,60

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1/4" Impact Driver Bit Holder

Ratcheting Ring Spanner Bit Set

Item no.: 1202

The Ratcheting Ring Spanner set contains various bits; all details regarding sizes and variants are listed in the table.

€ 156,70

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Ratcheting Ring Spanner Bit Set

1/4″ Impact Driver Bit Holder with Quick Release

Item no.: 12142-F6.3

Bit Holder with Quick Release for impact drivers. Ensures secure hold of bits and reliable torque transmission during screwdriving.

€ 44,10

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1/4" impact driver bit holder with quick release

1/4″ Bit Holder

Item no.: 12137E

These bit holders are compatible with all 1/4″ bits per DIN 3126-C6.3, DIN 3126-E6.3, and double-ended bits.

€ 20,35

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1/4" bit holder

Impact driver Hexagon Bit, 150 mm

Item no.: 121H-150

Precision impact driver Bit for tightening and loosening 6-point opening FLAT DRIVE screws.

€ 7,65

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Hexagon Impact Driver Bit, 70 mm

Hexagon Impact Driver Bit, 100 mm

Item no.: 121H-100

Precise impact driver bit for tightening and loosening 6-point opening FLAT DRIVE screws.

€ 6,40

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Hexagon Impact Driver Bit, 70 mm

1/4″ Impact Driver Bit Holder

Item no.: 12140

Bit Holder for impact drivers. Ensures a secure hold of Bits and reliable power transmission when fastening.

€ 14,75

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1/4" Impact Driver Bit Holder

3/8″ Square Male adapter, ball type, 50 mm

Item no.: 120-50B

Ball-type adapter ensures a secure hold and reliable power transmission.

€ 10,60

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3/8" Square Male adapter, ball type

Ratcheting Ring Spanner Socket Set

Item no.: 1203

The Ratcheting Ring Spanner Set contains various sockets with 10 mm hex input drive, all details on sizes and variants…

€ 138,20

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Ratcheting Ring Spanner Socket Set

Impact Driver Hexagon Bit, 70 mm

Item no.: 121H-70

Precision impact driver bit for tightening and loosening 6-point opening FLAT DRIVE screws.

€ 5,95

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Hexagon Impact Driver Bit, 70 mm

Impact Driver Hexagon Bit, 50 mm

Item no.: 121H-50

Precise impact driver bit for tightening and loosening 6-point opening FLAT DRIVE screws.

€ 5,80

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Hexagon Impact Driver Bit, 70 mm

Impact Driver Philips Bit (PH), 100 mm

Item no.: 121P-100

The Impact Driver Philips Bit (PH) is a robust standard bit for precise screwing with exact fit and reliable power…

€ 6,20

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Impact Driver Philips Bit (PH), 70 mm

Impact Driver Philips Bit (PH), 150 mm

Item no.: 121P-150

The Impact Driver Philips Bit (PH) is a robust standard bit for precise screwdriving with exact fit accuracy and reliable…

€ 8,35

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Impact Driver Philips Bit (PH), 70 mm

Impact Driver TORX® Bit, 100 mm

Item no.: 121T-100(T)

The Impact Driver TORX Bit ensures optimal grip in TORX screws, enabling precise and efficient work.

from € 6,55

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Impact driver TORX® Bit, 70 mm

Impact Driver Philips Bit (PH), 50 mm

Item no.: 121P-50

The Impact Driver Philips Bit (PH) is a robust standard bit for precise screwing, offering exact fit and reliable power…

€ 5,05

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Impact Driver Philips Bit (PH), 70 mm

Impact Driver Philips Bit (PH), 70 mm

Item no.: 121P-70

The Impact Driver Philips Bit (PH) is a robust standard bit for precise screwdriving with an exact fit and reliable…

€ 5,45

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Impact Driver Philips Bit (PH), 70 mm

Impact Driver Tamper-Resistant TORX® Bit with Hole, 100 mm

Item no.: 121T-100(TH)

Impact Driver Tamper-Resistant TORX® Bit, available in various lengths. Ensures a secure fit in the impact driver and reliable power…

€ 8,75

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Impact Driver Tamper-Resistant TORX® Bit with Hole, 70 mm

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Units

Units
  • Metric (71)
  • Inch (45)

Input drive

Input drive
  • 1/4" (109)
  • 1/2" (40)
  • 3/8" (31)

Input drive profile

Input drive profile
  • External Hex (122)
  • Internal Square (67)
  • T-Handle (12)

Output size

Output size
  • 8mm (48)
  • 1/4" (47)
  • 10mm (47)

Output profile

Output profile
  • Internal Hex (74)
  • External Square (57)
  • Phillips (17)