Ring Terminals

A crimp 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.
Why do you need it / applications?
Electrical panels
Terminal blocks
Wiring harnesses
Types
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 mm² -
• Yellow 2.5 mm² to 6 mm²
• Blue 1.5 mm² to 2.5 mm²
Other colours by different manufactures are now 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. 602-7512
Mfr. Part No.1.25-M4
BrandJST
SGD7.11
1 Bag of 100
Bag(s)
- - Uninsulated - - - 1.65mm² 0.25mm² 16AWG 22AWG 4mm - - -
RS Stock No. 373-493
Mfr. Part No.160002
SGD4.794
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. 457-5227
Mfr. Part No.320576
SGD0.672
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. 163-8432
Mfr. Part No.34158
SGD279.48
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. 842-062
Mfr. Part No.34158
SGD0.351
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. 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. 164-9394
Mfr. Part No.323746
SGD3.763
Each (In a Box of 500)
units
STRATO-THERM - - - 8.33mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M8 - Nickel -
RS Stock No. 267-3880
BrandRS PRO
SGD0.295
Each (In a Pack of 100)
units
- - Insulated Nylon 5.3mm 9.5mm 6mm² 4mm² 10AWG 12AWG M5 (#10) Yellow Copper -
RS Stock No. 135-5029
Mfr. Part No.320576
SGD0.525
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. 241-4675
BrandRS PRO
SGD2.905
Each (In a Pack of 4)
units
CT - Uninsulated - 12.7mm - 120mm² 120mm² - - M12 - Copper Tin
RS Stock No. 161-3929
Mfr. Part No.34142
SGD199.92
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. 531-914
BrandRS PRO
SGD3.172
Each (In a Pack of 10)
units
- - Uninsulated - 10.4mm - 70mm² - - - M10 - Copper Tin
RS Stock No. 164-8645
Mfr. Part No.36809
SGD1.99
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 16.66mm 31.75mm 16.8mm² 10.5mm² 6AWG 6AWG M16 - Copper Tin
RS Stock No. 613-9362
BrandRS PRO
SGD0.246
Each (In a Pack of 100)
units
- - Insulated Vinyl 8.4mm 12mm 2.5mm² 1.5mm² 14AWG 16AWG M8 Blue Copper Tin
RS Stock No. 437-3813
Mfr. Part No.33458
SGD0.268
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - 6.73mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M6 - Copper Tin
RS Stock No. 267-3739
BrandRS PRO
SGD0.262
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 2.5mm² 1.5mm² 14AWG 16AWG M6 (1/4) Blue Copper -
RS Stock No. 164-8621
Mfr. Part No.33458
SGD0.241
Each (In a Box of 500)
units
SOLISTRAND - Uninsulated - 6.73mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M6 - Copper Tin
RS Stock No. 398-1946
Mfr. Part No.3R8
BrandKlauke
SGD1.218
Each (In a Bag of 10)
units
- - Uninsulated - - - 16mm² 16mm² - - M8 - Copper Tin
RS Stock No. 224-9730
Mfr. Part No.36809
SGD2.34
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 16.66mm 31.75mm 16.8mm² 10.5mm² 6AWG 6AWG M16 - Copper Tin
RS Stock No. 163-9153
Mfr. Part No.323062
SGD0.629
Each (In a Box of 500)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG M5 - Copper Nickel