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. 531-037
BrandRS PRO
MYR1.78
Each (In a Pack of 25)
units
- - Uninsulated - 8.4mm - 10mm² - - - M8 - Copper Tin
RS Stock No. 163-8428
Mfr. Part No.34123
MYR433.65
1 Box of 1000
Box(es)
SOLISTRAND - Uninsulated - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG M5 - Copper Tin
RS Stock No. 531-021
BrandRS PRO
MYR1.558
Each (In a Pack of 25)
units
- - Uninsulated - 6.4mm - 10mm² - - - M6 - Copper Tin
RS Stock No. 373-213
Mfr. Part No.34123
MYR0.587
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG M5 - Copper Tin
RS Stock No. 613-9205
BrandRS PRO
MYR0.558
Each (In a Pack of 100)
units
DRVY - Insulated PVC - - 1.5mm² 0.25mm² 16AWG 26AWG M2 Red Copper Tin
RS Stock No. 190-3710
Mfr. Part No.710031-8
MYR6.773
Each (In a Box of 100)
units
XCT - Uninsulated - 10.3mm 14mm 10mm² 10mm² 7AWG 7AWG 10mm - Copper Tin
RS Stock No. 311-9860
Mfr. Part No.710031-8
MYR8.558
Each (In a Box of 25)
units
XCT - Uninsulated - 10.3mm 14mm 10mm² 10mm² 7AWG 7AWG 10mm - Copper Tin
RS Stock No. 531-891
BrandRS PRO
MYR6.637
Each (In a Pack of 10)
units
- - Uninsulated - 10.4mm - 50mm² - - - M10 - Copper Tin
RS Stock No. 241-4631
BrandRS PRO
MYR6.224
Each (In a Pack of 10)
units
- - Uninsulated - 8mm - 35mm² - - - M8 - Copper Tin
RS Stock No. 161-7860
Mfr. Part No.2-M3
BrandJST
MYR147.90
1 Box of 1000
Box(es)
R - Uninsulated - 3.7mm 6.6mm 2.6mm² 1mm² 14AWG 16AWG 3.5mm - - -
RS Stock No. 604-8373
Mfr. Part No.R5.5-4
BrandJST
MYR60.96
1 Bag of 100
Bag(s)
- - Uninsulated - - - 6.6mm² 2.6mm² 10AWG 12AWG 4mm - - -
RS Stock No. 838-8288
Mfr. Part No.2-M3
BrandJST
MYR0.353
Each (In a Pack of 100)
units
R - Uninsulated - 3.7mm 6.6mm 2.6mm² 1mm² 14AWG 16AWG 3.5mm - - -
RS Stock No. 374-115
Mfr. Part No.34105
MYR0.613
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. 135-4646
Mfr. Part No.323680
MYR17.294
Each (In a Box of 500)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG M5 - Nickel -
RS Stock No. 613-9255
BrandRS PRO
MYR0.601
Each (In a Pack of 100)
units
- - Insulated Vinyl 6.4mm 12mm 1.5mm² 0.5mm² 16AWG 22AWG M6 Red Copper Tin
RS Stock No. 161-1291
Mfr. Part No.323680
MYR21.368
Each (In a Pack of 10)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG M5 - Nickel -
RS Stock No. 170-9395
Mfr. Part No.34105
MYR420.00
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. 214-3711
Mfr. Part No.34163
MYR1.342
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 8.33mm 11.91mm 2.6mm² 1mm² 14AWG 16AWG M8 Blue Copper Tin
RS Stock No. 163-8705
Mfr. Part No.34163
MYR960.84
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 8.33mm 11.91mm 2.6mm² 1mm² 14AWG 16AWG M8 Blue Copper Tin
RS Stock No. 161-3929
Mfr. Part No.34142
MYR657.30
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