Ring Terminals

A ring terminal is a short metal tube with flat washer type ring attached. The tube or barrel end of the crimp is a hollow tube where the stranded wire is inserted and crimped. The contact or connection end is a flat ring with a central hole which connects to a stud or bolt. Ring terminals are insulated or non-insulated.


What does it do?


An electrical crimp is a solderless electrical connection. Ring terminals are used to connect wiring to screws and studs.


Where are they used?



  • Electrical panels 

  • Terminal blocks

  • Wiring harnesses


Types of Ring Terminal


Crimp terminals are available in a wide variety of ring sizes and wire sizes. The CSA (cross sectional area) or AWG (American wire gauge) of the stranded wire is the most critical. The size of the stranded wire must be adequately matched to meet the amperage. The size of the ring is matched to the bolt or stud size, usually in a metric measurement.


Insulated Terminals


DIN 46237 colour coding is the most popular type of crimp terminal. Colour coding is used to denote a wire size:



  • Red 0.5 mm² to 1.5 mm

  • Yellow 2.5 mm² to 6 mm

  • Blue 1.5 mm² to 2.5 mm


Other colours are available.


Non-insulated


Non-insulated terminals are bigger terminals. Non-insulated terminals connect to bigger studs and bolts. Non-insulated ring terminals have the capacity to except larger stranded wire. More specialised tooling is required for these heavy-duty terminals.


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Description Price Series Series Number Insulation Insulation Material Inner Ring Diameter Outer Ring Diameter Maximum Wire Size mm² Minimum Wire Size mm² Maximum Wire Size AWG Minimum Wire Size AWG Stud Size Colour Contact Material Contact Plating
RS Stock No. 161-6224
Mfr. Part No.160032
SGD1.551
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 10.5mm 15.9mm 16.8mm² 10.5mm² 6AWG 6AWG M10 - Copper Tin
RS Stock No. 373-409
Mfr. Part No.160032
SGD1.91
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 10.5mm 15.9mm 16.8mm² 10.5mm² 6AWG 6AWG M10 - Copper Tin
RS Stock No. 373-314
Mfr. Part No.160013
SGD1.85
Each (In a Pack of 50)
units
SOLISTRAND - Uninsulated - 5mm 11.9mm 10.5mm² 6.6mm² 8AWG 8AWG M5 - Copper Tin
RS Stock No. 135-4468
Mfr. Part No.160013
SGD1.383
Each (In a Bag of 500)
units
SOLISTRAND - Uninsulated - 5mm 11.9mm 10.5mm² 6.6mm² 8AWG 8AWG M5 - Copper Tin
RS Stock No. 136-1646
Mfr. Part No.130102
SGD169.05
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 842-040
Mfr. Part No.130102
SGD0.227
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 373-320
Mfr. Part No.33461
SGD0.512
Each (In a Pack of 50)
units
SOLISTRAND - Uninsulated - 6.73mm 11.91mm 10.5mm² 6.6mm² 8AWG 8AWG M6 - Copper Tin
RS Stock No. 374-115
Mfr. Part No.34105
SGD0.191
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - 3.68mm 5.54mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 - Copper Tin
RS Stock No. 170-9394
Mfr. Part No.33461
SGD0.458
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 6.73mm 11.91mm 10.5mm² 6.6mm² 8AWG 8AWG M6 - Copper Tin
RS Stock No. 170-9395
Mfr. Part No.34105
SGD149.10
1 Box of 1000
Box(es)
SOLISTRAND - Uninsulated - 3.68mm 5.54mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 - Copper Tin
RS Stock No. 135-5029
Mfr. Part No.320576
SGD0.615
Each (In a Box of 500)
units
PIDG - Insulated Nylon 8.33mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M8 Yellow Copper Tin
RS Stock No. 225-0106
Mfr. Part No.323746
SGD5.717
Each (In a Pack of 10)
units
STRATO-THERM - - - 8.33mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M8 - Nickel -
RS Stock No. 841-974
Mfr. Part No.34142
SGD0.257
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 3.68mm 5.54mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 Red Copper Tin
RS Stock No. 163-8432
Mfr. Part No.34158
SGD282.45
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 3.68mm 6.35mm 2.6mm² 1mm² 14AWG 16AWG M3.5 Blue Copper Tin
RS Stock No. 457-5227
Mfr. Part No.320576
SGD0.647
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 8.33mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M8 Yellow Copper Tin
RS Stock No. 161-3915
Mfr. Part No.160002
SGD5.029
Each (In a Box of 50)
units
SOLISTRAND - Uninsulated - 10.5mm 22.2mm 42.4mm² 26.7mm² 2AWG 2AWG M10 - Copper Tin
RS Stock No. 161-3929
Mfr. Part No.34142
SGD170.00
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 3.68mm 5.54mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 Red Copper Tin
RS Stock No. 373-493
Mfr. Part No.160002
SGD5.028
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 10.5mm 22.2mm 42.4mm² 26.7mm² 2AWG 2AWG M10 - Copper Tin
RS Stock No. 842-062
Mfr. Part No.34158
SGD0.37
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 3.68mm 6.35mm 2.6mm² 1mm² 14AWG 16AWG M3.5 Blue Copper Tin
RS Stock No. 437-3813
Mfr. Part No.33458
SGD0.297
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - 6.73mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M6 - Copper Tin