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. 531-043
BrandRS PRO
SGD0.731
Each (In a Pack of 10)
units
- - Uninsulated - 6.4mm - 16mm² - - - M6 - Copper Tin
RS Stock No. 531-920
BrandRS PRO
SGD2.98
Each (In a Pack of 10)
units
- - Uninsulated - 12.8mm - 70mm² - - - M12 - Copper Tin
RS Stock No. 613-9378
BrandRS PRO
SGD0.258
Each (In a Pack of 100)
units
- - Insulated Vinyl 3.2mm 7.2mm 6mm² 4mm² 10AWG 12AWG M4 Yellow Copper Tin
RS Stock No. 241-4704
BrandRS PRO
SGD8.085
Each (In a Pack of 4)
units
CT - Uninsulated - 12.9mm - 150mm² 150mm² - - M12 - Copper Tin
RS Stock No. 241-4631
BrandRS PRO
SGD1.745
Each (In a Pack of 10)
units
- - Uninsulated - 8mm - 35mm² - - - M8 - Copper Tin
RS Stock No. 149-253
BrandRS PRO
SGD41.15
1 Reel of 500
Reel(s)
3130 - Insulated Vinyl 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG M6 (1/4) Yellow Copper Tin
RS Stock No. 534-430
BrandRS PRO
SGD0.319
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 11mm 6mm² 2.5mm² 10AWG 12AWG M6 Yellow Copper Tin
RS Stock No. 267-6441
BrandRS PRO
SGD0.331
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG M6 (1/4) Yellow Copper -
RS Stock No. 531-059
BrandRS PRO
SGD0.782
Each (In a Pack of 10)
units
- - Uninsulated - 8.4mm - 16mm² - - - M8 - Copper Tin
RS Stock No. 149-338
BrandRS PRO
SGD60.08
1 Reel of 500
Reel(s)
3130 - Insulated Vinyl 8.4mm 15mm 6mm² 4mm² 10AWG 12AWG M8 (5/16) Yellow Copper Tin
RS Stock No. 531-015
BrandRS PRO
SGD0.393
Each (In a Pack of 25)
units
- - Uninsulated - 5.3mm - 10mm² - - - M5 - Copper Tin
RS Stock No. 534-424
BrandRS PRO
SGD0.294
Each (In a Pack of 100)
units
- - Insulated PVC 8.4mm 14mm 6mm² 2.5mm² 10AWG 12AWG M8 Yellow Copper Tin
RS Stock No. 119-160
BrandRS PRO
SGD0.308
Each (In a Pack of 25)
units
- - Uninsulated - 6.4mm - 6mm² - - - M6 - Copper Tin
RS Stock No. 267-3644
BrandRS PRO
SGD0.107
Each (In a Pack of 100)
units
- - Insulated Nylon 3.7mm 6.6mm 1.5mm² 0.5mm² 16AWG 22AWG M3.5 (#6) Red Copper -
RS Stock No. 534-597
BrandRS PRO
SGD0.106
Each (In a Pack of 100)
units
- - Insulated PVC 3.7mm 6.6mm 2.5mm² 1.5mm² 14AWG 16AWG M3.5 Blue Copper Tin
RS Stock No. 241-4653
BrandRS PRO
SGD5.405
Each (In a Pack of 4)
units
- - Uninsulated - 10mm - 120mm² - - - M10 - Copper Tin
RS Stock No. 531-885
BrandRS PRO
SGD1.733
Each (In a Pack of 10)
units
- - Uninsulated - 10.4mm - 35mm² - - - M10 - Copper Tin
RS Stock No. 613-9283
BrandRS PRO
SGD0.288
Each (In a Pack of 100)
units
- - Insulated Vinyl 8.4mm 15mm 6mm² 4mm² 10AWG 12AWG M8 Yellow Copper Tin
RS Stock No. 809-2278
BrandRS PRO
SGD0.348
Each (In a Pack of 50)
units
- - Uninsulated - 8.4mm 14mm 10mm² 10mm² 8AWG 8AWG 8.4mm - Copper -
RS Stock No. 241-4669
BrandRS PRO
SGD4.607
Each (In a Pack of 10)
units
- - Uninsulated - 12.7mm - 95mm² - - - M12 - Copper Tin