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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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1/2″ Repair Kit for Ratchet (4750N/P/J)

Item no.: 4750RK

Important Note – Warranty & Liability:

Incorrect or faulty spare parts or their improper installation can lead to damage, malfunctions,…

€ 22,20

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1/2'' Repair Kit for Ratchet (4750N/P/J)

1/2″ Repair Kit for Ratchet Adaptor (4755)

Item no.: 4755RK

Important Notice – Warranty & Liability:

Incorrect or faulty Spare Part Sets, or their improper installation, can lead to damage,…

€ 36,80

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3/4'' Repair Kit for Ratchet Adaptor (6755)

Spare Part Set for 1/2″ Swivel Head Ratchet

Item no.: 4752RK

Important Note – Warranty & Liability:

Incorrect or faulty spare parts or their improper installation can lead to damage, malfunctions,…

€ 33,25

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Spare Part Set for 1/2” Swivel Head Ratchet

1/2″ Repair Kit for Ratchet

Item no.: 4753BRK

Important Note – Warranty & Liability:

Incorrect or faulty spare parts or their improper installation can lead to damage, malfunctions,…

€ 30,20

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1" repair kit for ratchet (8749, -1000)

1/2″ repair kit for ratchet (4749N, J)

Item no.: 4749RK

Important notice – warranty & liability:

Incorrect or faulty Spare Part Sets, or improper installation, may cause damage, malfunctions, or…

€ 19,90

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1" repair kit for ratchet (8749, -1000)

1″ Repair Kit for Ratchet (8749, -1000)

Item no.: 8749RK

Important Note – Warranty & Liability:

Incorrect or faulty spare parts or their improper installation can lead to damage, malfunctions,…

€ 55,85

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1" repair kit for ratchet (8749, -1000)

3/4″ Repair Kit for 6752

Item no.: 6752RK

Important notice – warranty & liability:

Incorrect or faulty Spare Part Sets, or improper installation, may cause damage, malfunctions, or…

€ 78,25

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3/4" Repair Kit for 6752

3/4″ Repair Kit for Hinge Handle (6768)

Item no.: 6768RK

Important Note – Warranty & Liability:

Incorrect or faulty spare part sets or their improper installation can lead to damage,…

€ 23,65

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3/4" Repair Kit for Hinge Handle (8768)

3/4″ Repair Kit for Hinge Handle (8768)

Item no.: 8768RK

Important Notice – Warranty & Liability:

Incorrect or defective spare parts or their improper installation can lead to damage, malfunctions,…

€ 58,95

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3/4" Repair Kit for Hinge Handle (8768)

3/4″ Repair Kit for Ratchet (6749, -1000)

Item no.: 6749RK

Important Information – Warranty & Liability:

Incorrect or faulty Spare Part Sets or their improper installation can lead to damage,…

€ 42,90

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1" repair kit for ratchet (8749, -1000)

3/4″ Repair Kit for 6112

Item no.: 6112RK

Important notice – warranty & liability:

Incorrect or faulty Spare Part Sets, or improper installation, may lead to damage, malfunctions,…

€ 166,65

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3/4" Repair Kit for 6112

3/4″ Repair Kit for Ratchet Adaptor (6755)

Item no.: 6755RK

Important Note – Warranty & Liability:

Incorrect or faulty spare part sets or their improper installation can lead to damage,…

€ 96,20

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3/4'' Repair Kit for Ratchet Adaptor (6755)

3/8″ Sleeve-Drive Socket, 100 mm

Item no.: NV13145M-100

The shaft-drive socket ensures a secure fit on screws and nuts, enabling precise and efficient work.

The innovative Sleeve-Drive square…

from € 51,40

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3/8" deep socket, 200 mm

3/8″ Bit Holder

Item no.: NV13134

This Ko-ken premium adapter features a 3/8″ square drive Bit Holder, specifically designed for the 183 series of bits (DIN…

€ 90,45

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3/8″ Bit Holder, 3/8″ Bit Holder - Sketch

3/8″ deep socket, 150 mm

Item no.: NV13145M-150

The deep socket ensures a secure fit on bolts and nuts and enables precise, efficient work.

The innovative Sleeve-Drive square…

from € 81,10

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3/8" deep socket, 200 mm

3/8″ 6-point Socket, 43 mm

Item no.: NV13400M

The 6-point Sockets ensure a secure fit on hexagonal screws, enabling precise and efficient work, even in hard-to-reach areas.

The…

from € 35,95

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3/8'' 6-point Socket, 43 mm

3/8″ Sleeve-Drive Socket, 200 mm

Item no.: NV13145M-200

The shaft socket ensures a secure fit on screws and nuts, enabling precise and efficient work.

The innovative Sleeve-Drive square…

from € 82,90

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3/8" deep socket, 200 mm

1/2″ Sleeve-Drive Socket, 100 mm

Item no.: NV14145M-100

The shaft socket ensures a secure fit on bolts and nuts and enables precise and efficient work.

The innovative Sleeve-Drive…

from € 55,00

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1/2" Shank Socket, 200 mm

3/8″ Extension Bar

Item no.: NV13760(P)

Extension bars allow for easy reaching and loosening of screws and nuts, even in tight or hard-to-reach places.

The innovative…

from € 47,90

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3/8" extension bar

1/2″ Bit Holder

Item no.: NV14134

The Ko-ken Bit Holder is a professional bit holder with a 1/2″ square input drive and Sleeve-Drive mechanism, designed for…

€ 95,65

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1/2'' Bit Holder

1/2″ Nut Setter, 200 mm

Item no.: NV14145M-200

The nut setter ensures a secure fit on bolts and nuts, enabling precise and efficient work.

The innovative Sleeve-Drive square…

from € 86,90

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1/2" Shank Socket, 200 mm

1/2″ Shank Socket, 150 mm

Item no.: NV14145M-150

The shank socket ensures a secure fit on screws and nuts, enabling precise and efficient work.

The innovative Sleeve-Drive square…

from € 86,00

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1/2" Shank Socket, 200 mm

1/2″ Extension Bar

Item no.: NV14760

These extension bars allow for easy reaching and loosening of bolts and nuts, even in tight or hard-to-reach areas.

The…

from € 55,85

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1/2'' extension bar

1/2″ 6-point Socket, 54 mm

Item no.: NV14400M

The 6-point socket ensures a secure fit on hex bolts and enables precise, efficient work, even in hard-to-reach areas.

The…

from € 40,20

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1/2" 6-point socket, 54 mm

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Units

Units
  • Metric (66)
  • Inch (18)

Input drive

Input drive
  • 1/2" (68)
  • 3/8" (45)
  • 1/4" (34)

Input drive profile

Input drive profile
  • Internal Square (138)
  • External Hex (37)
  • Spinner Handle (8)

Output size

Output size
  • 10mm (40)
  • 12mm (40)
  • 14mm (39)

Output profile

Output profile
  • Internal Hex (94)
  • External Square (27)
  • Internal 12-Point (8)