Keying Plugs

Keyring plugs are handheld termination tools used to insert wires onto individual socket terminations in connectors.

Design and use of a keyring plug

Keyring plugs have a T-shaped handle on one end for ease of use. On the other end is a slotted blade. This slotted blade is used to insert the wire into the connector. The blade is specifically designed to fit into the connector slot to terminate the wire using the displacement terminating technique.

This technique requires inserting an unstripped wire into a slotted contact beam to form a reliable electrical connection between the conductor and contact.

Wire insertion technique using a keyring plug

  • First, place the connector on a flat surface to prevent possible rocking when inserting the wire.
  • Position wire over the contact in the connector and make sure the end of the wire does not extend over the shoulder of the connector.
  • Start the wire into contact with the finger.
  • Place appropriate tool on wire over contact so that the centerline of the tool matches the contact.
  • Holding the tool handle, apply a constant direct pressure until the wire is terminated with the contact.

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Description Price Gender Contact Size Series Length Width Height Diameter Colour Material Series Number
RS Stock No. 129-5079
Mfr. Part No.59803-1
$52.49
Each
units
Female - MTA-100 7.11mm 1.02mm 2.67mm - - Copper Alloy, Nylon, PET, Phosphor Bronze -
RS Stock No. 296-5066
Mfr. Part No.15-04-9209
BrandMolex
$0.228
Each (In a Pack of 10)
units
- - KK - - - - - - 42474
RS Stock No. 718-8407
Mfr. Part No.650025-2
$0.674
Each (In a Pack of 5)
units
- - - 7.49mm 3.81mm 1.44mm - - - -
RS Stock No. 797-8903
Mfr. Part No.34345-0001
BrandMolex
$0.22
Each (In a Pack of 10)
units
- - 34345 36.5mm 3mm - 1.77mm Natural PET -
RS Stock No. 712-2261
Mfr. Part No.200821-1
$0.542
Each (In a Pack of 5)
units
- - - 25.4mm - - 3.17mm - - -
RS Stock No. 166-0654
Mfr. Part No.HIF3-GPIN(A)
BrandHirose
$0.395
Each (In a Pack of 100)
units
- - HIF3 - 0.8mm - - White Poly Acetal -
RS Stock No. 712-2438
Mfr. Part No.641994-1
$0.103
Each (In a Pack of 20)
units
- - MTA-100 7.87mm 1.96mm 1.96mm - - - -
RS Stock No. 896-0963
Mfr. Part No.HIF3-GPIN(A)
BrandHirose
$0.294
Each (In a Pack of 25)
units
- - HIF3 - 0.8mm - - White Poly Acetal -
RS Stock No. 360-6853
Mfr. Part No.15-04-0292
BrandMolex
$0.647
Each (In a Pack of 10)
units
- - C-Grid - - - - - - 4161
RS Stock No. 164-7808
Mfr. Part No.641623-1
$0.135
Each (In a Box of 400)
units
Male - MTA-156 7.87mm - 3.18mm - Natural Nylon -
RS Stock No. 170-7068
Mfr. Part No.15-04-0292
BrandMolex
$1,658.25
1 Bag of 5000
Bag(s)
- - C-Grid - - - - - - 4161
RS Stock No. 710-0356
Mfr. Part No.641623-1
$0.155
Each (In a Pack of 20)
units
Male - MTA-156 7.87mm - 3.18mm - Natural Nylon -
RS Stock No. 164-3096
Mfr. Part No.100525-9
$1.24
Each (In a Bag of 500)
units
Male - 100525 8.9mm 10.8mm 6.5mm - Red - -
RS Stock No. 795-0808
Mfr. Part No.100525-9
$1.99
Each (In a Pack of 5)
units
Male - 100525 8.9mm 10.8mm 6.5mm - Red - -
RS Stock No. 172-5251
Mfr. Part No.691399900003
$1.422
Each (In a Box of 400)
units
- - WR-TBL - - - - Red Polyamide -
RS Stock No. 823-6327
Mfr. Part No.691399900003
$1.08
Each
units
- - WR-TBL - - - - Red Polyamide -
RS Stock No. 739-0965
Mfr. Part No.5-100525-4
$3.20
Each
units
Male - - 8.9mm 10.8mm 6.5mm - Green Glass Fibre Reinforced Nylon -
RS Stock No. 366-2027
Mfr. Part No.770377-1
$0.626
Each (In a Pack of 10)
units
- - Mate-N-Lok 23.88mm 3.3mm - - White - -
RS Stock No. 164-4157
Mfr. Part No.5-100525-4
$18,977.00
1 Bag of 8000
Bag(s)
Male - - 8.9mm 10.8mm 6.5mm - Green Glass Fibre Reinforced Nylon -
RS Stock No. 797-8717
Mfr. Part No.15-04-0220
BrandMolex
$0.124
Each (In a Pack of 100)
units
- - 2560 14.53mm 3.6mm - 1.83mm Natural Nylon -
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