Connector Wrenches

Connector wrenches, sometimes referred to as torque wrenches, are handheld tools used for tightening or loosening different types of connectors – devices that connect electronic or other components together. Connector wrenches are designed to prevent over tightening so that you don't damage the connector.

How does a connector wrench work?

Connector wrenches are small and are simple to use. Depending on your connector, they usually fit inside or around the connector. You would then turn to the right to tighten the connector, or to the left to loosen.

Connector wrench types and applications

There are different types of connector wrenches for different types of connectors. Common connectors you'd use a connector wrench for include:

  • Circular connectors – used to connect and disconnect signal, power and optical circuits.
  • BNC connectors – or Bayonet Neill–Concelman connectors, a radio frequency connector used for coaxial cable.
  • Chassis socket connectors – used in audio applications.
  • Solar cable connectors – commonly used for connecting solar panels.
  • Lock nuts – a type of nut-and-bolt fastener.

Look out for connector wrenches which produce an audible click when the correct tightness has been achieved.


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Description Price Connector Type Connector Mount Type Series Length Jaw Width
RS Stock No. 531-857
BrandRS PRO
$42.87
Each
units
Circular Cable CTR CON - -
RS Stock No. 136-9910
BrandRS PRO
$3.33
Each (In a Bag of 2)
units
Installation Spanner - TeePlug - -
RS Stock No. 797-5774
Mfr. Part No.7000-99102-0000000
$285.79
Each
units
M12 - - - -
RS Stock No. 533-7846
Mfr. Part No.0380
BrandLumberg
$12.00
Each
units
- - - - -
RS Stock No. 773-7526
Mfr. Part No.227-1490
BrandAmphenol
$83.85
Each
units
BNC - - - -
RS Stock No. 157-2770
Mfr. Part No.N45-091-0001
BrandAmphenol
$20.97
Each
units
- - - - -
RS Stock No. 533-6809
Mfr. Part No.ZMS 20
BrandLumberg
$36.42
Each
units
- - - - -
RS Stock No. 901-1655
Mfr. Part No.973929000
$50.31
Each
units
SEB Socket - - 179mm -
RS Stock No. 706-7827
Mfr. Part No.07-0079-000
BrandBinder
$254.88
Each
units
- - - - -
RS Stock No. 802-7176
Mfr. Part No.1604255
$111.07
Each
units
- - RC-Z2099 - -
RS Stock No. 124-8894
Mfr. Part No.1597 02
BrandLumberg
$27.95
Each
units
Jack Chassis Socket Chassis Mount 1597 - 3.5 mm
RS Stock No. 901-1652
Mfr. Part No.973939000
$48.51
Each
units
MSEB Socket - - - -
RS Stock No. 706-7833
Mfr. Part No.07-0078-000
BrandBinder
$171.07
Each
units
- - - - -
RS Stock No. 136-8628
Mfr. Part No.1SNV420061R0000
BrandABB
$159.72
Each
units
Solar Cable Connector - MC-Evo2 - -
RS Stock No. 124-8895
Mfr. Part No.1597 03
BrandLumberg
$34.47
Each
units
Jack Chassis Socket Chassis Mount 1597 - 2.5 mm
RS Stock No. 901-1658
Mfr. Part No.973929001
$48.82
Each
units
SEB Socket - - - -
RS Stock No. 157-2786
Mfr. Part No.FH-0300-091
BrandAmphenol
$26.49
Each
units
- - - - -
RS Stock No. 124-8892
Mfr. Part No.1597 01
BrandLumberg
$32.40
Each
units
Jack Chassis Socket Chassis Mount 1597 - 2.5 mm
RS Stock No. 136-8629
Mfr. Part No.1SNV420261R0000
BrandABB
$140.71
Each
units
Solar Cable Connector - MC-Evo2 - -
RS Stock No. 124-8896
Mfr. Part No.1597 04
BrandLumberg
$24.71
Each
units
Jack Chassis Socket Chassis Mount 1597 - 3.5 mm
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