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Adapters, universal joints, pins and extensions for HiKOKI impact sockets

Adapters, universal joints, pins and extensions from HiKOKI extend an impact socket set, so one impact wrench handles more nut sizes and more working positions. Fitters, steel erectors and maintenance technicians use them to reach bolts that are hard to get at.

Adapters connect a drive square to a socket of another size: from 1" to 3/4", from 3/4" to 1/2" or from 1/2" to 3/8". There are also adapters from 1/4" hexagon to 1/4", 3/8" or 1/2" square, with ball, so a machine with a 1/4" hex chuck can drive impact sockets. Universal joints in 1/2" and 3/4" let you work at an angle when the machine does not fit straight in front of the bolt. Extensions of 150, 200, 250 and 300 mm take the socket deeper into a structure.

Pins with a locking ring hold an impact socket on the drive square; choose them by the socket size. With an impact wrench, always use accessories made for impact sockets, because ordinary adapters and extensions are not built to absorb the blows. The HiKOKI impact socket sets sit alongside, within HiKOKI sockets and ratchets.

Category Hikoki universal joint Hikoki universal joint
Category Hikoki socket adaptor Hikoki socket adaptor
Category Hikoki socket adaptor set Hikoki socket adaptor set
Category Hikoki accessory/part sockets and ratchets Hikoki accessory/part sockets and ratchets
Category Hikoki extension Hikoki extension
Category Hikoki reducer adapter Hikoki reducer adapter
hikoki_751873

HIKOKI 751873 knee joint 1/2" square 65 mm

  • Type of drive profile: Internal square
  • Connection profile: External square
Delivery time average 10 days.
Recommended Retail Price €28.96
14.95
€12.36 excl. VAT
hikoki_751964

HIKOKI 751964 knee joint 3/4" square 105 mm

  • Drive profile size: 3/4"
  • Connection size: 3/4"
  • Type of drive profile: External square
Delivery time average 10 days.
Recommended Retail Price €69.79
36.20
€29.92 excl. VAT
hikoki_751947

HIKOKI 751947 adaptor 3/4"-1/2" square 58mm

  • Drive profile size: 1/2"
  • Type of drive profile: External square
  • Connection size: 3/4"
Delivery time average 10 days.
Recommended Retail Price €24.50
13.20
€10.91 excl. VAT
hikoki_751878

HIKOKI 751878 adapter 1/2" to 3/8" outer square

  • Drive profile size: 3/8"
  • Type of drive profile: External square
  • Connection size: 3/8"
Delivery time average 3 days.
Recommended Retail Price €17.07
11.95
€9.88 excl. VAT
hikoki_751943

HIKOKI 751943 extension piece for power caps 150 mm

  • Connection size 1: 3/4"
  • Connection size 2: 3/4"
  • Connection type 1 (extension): Outer square
Delivery time average 10 days.
Recommended Retail Price €41.58
21.60
€17.85 excl. VAT
hikoki_751473

HIKOKI 751473 adapter 1 "in-3/4 "out square 58mm

  • Connection size 1: 1"
  • Connection size 2: 3/4"
  • Connection type 1 (adapter): External square
Delivery time average 10 days.
Recommended Retail Price €66.82
39.95
€33.02 excl. VAT
hikoki_751945

HIKOKI 751945 extension piece for power caps 300 mm

  • Connection size 1: 3/4"
  • Connection size 2: 3/4"
  • Connection type 1 (extension): Outer square
Delivery time average 10 days.
Recommended Retail Price €63.85
38.20
€31.57 excl. VAT
hikoki_751944

HIKOKI 751944 extension piece for power caps 250 mm

  • Connection size 1: 3/4"
  • Connection size 2: 3/4"
  • Connection type 1 (extension): Outer square
Delivery time average 10 days.
Recommended Retail Price €49.01
29.20
€24.13 excl. VAT
hikoki_751869

HIKOKI 751869 extension piece for power caps 50 mm

  • Connection size 1: 1/2"
  • Connection size 2: 1/2"
  • Connection type 1 (extension): Outer square
Delivery time average 10 days.
Recommended Retail Price €15.60
8.80
€7.27 excl. VAT
hikoki_751871

HIKOKI 751871 extension piece for power caps 250 mm

  • Connection size 1: 1/2"
  • Connection size 2: 1/2"
  • Connection type 1 (extension): Outer square
Delivery time average 17 days.
Recommended Retail Price €23.76
12.60
€10.41 excl. VAT
hikoki_751872

HIKOKI 751872 adapter for hand spanner

  • Drive profile size: 1/2"
  • Type of drive profile: External square
  • Connection size: 1/2"
Delivery time average 10 days.
Recommended Retail Price €18.56
9.95
€8.22 excl. VAT
hikoki_751472

HIKOKI 751472 knee joint 1" square 110 mm

  • Drive profile size: 1"
  • Connection size: 1"
  • Type of drive profile: Internal square
Delivery time average 12 days.
Recommended Retail Price €133.57
83.60
€69.09 excl. VAT
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