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 Shrouded/Unshrouded Stud Size Colour Contact Material
RS Stock No. 178-8653
BrandRS PRO
$0.073
Each (In a Bag of 100)
units
- - Insulated Vinyl 5.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG - 5.3mm Red Copper
RS Stock No. 178-8646
BrandRS PRO
$0.149
Each (In a Bag of 100)
units
- - Insulated Nylon 5.3mm 8.5mm 2.5mm² 1.5mm² 14AWG 16AWG - 5.3mm Blue Copper
RS Stock No. 178-8626
BrandRS PRO
$0.414
Each (In a Bag of 100)
units
- - Uninsulated - 8.4mm 15mm 8mm² - 8AWG - - 8.4mm - Copper
RS Stock No. 178-7259
BrandRS PRO
$0.117
Each (In a Bag of 100)
units
- - Insulated Nylon 4.3mm 8mm 2.5mm² 1.5mm² 14AWG 16AWG - 4.3mm Blue Copper
RS Stock No. 178-8685
BrandRS PRO
$0.377
Each (In a Bag of 100)
units
- - Insulated Vinyl 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG - 6.4mm Yellow Copper
RS Stock No. 178-8636
BrandRS PRO
$0.078
Each (In a Bag of 100)
units
- - Insulated Nylon 4.3mm 6.6mm 1.5mm² 0.5mm² 16AWG 22AWG - 4.3mm Red Copper
RS Stock No. 178-7256
BrandRS PRO
$0.071
Each (In a Bag of 100)
units
- - Uninsulated - 3.2mm 6mm 1.5mm² 0.5mm² 16AWG 22AWG - 3.2mm - Copper
RS Stock No. 809-2293
BrandRS PRO
$0.503
Each (In a Pack of 25)
units
- - Uninsulated - 6.5mm 11mm 16mm² 16mm² 6AWG 6AWG - 6.5mm - Copper
RS Stock No. 178-8642
BrandRS PRO
$0.185
Each (In a Bag of 100)
units
- - Insulated Nylon 5.3mm 9.5mm 6mm² 4mm² 10AWG 12AWG - 5.3mm Yellow Copper
RS Stock No. 178-8661
BrandRS PRO
$0.093
Each (In a Bag of 100)
units
- - Insulated Vinyl 5.3mm 9.5mm 2.5mm² 1.5mm² 14AWG 16AWG - 5.3mm Blue Copper
RS Stock No. 178-8610
BrandRS PRO
$0.149
Each (In a Bag of 100)
units
- - Uninsulated - 4.3mm 8mm 4mm² 2.5mm² 12AWG 14AWG - 4.3mm - Copper
RS Stock No. 241-4653
BrandRS PRO
$5.778
Each (In a Pack of 4)
units
- - Uninsulated - 10mm - 120mm² - - - - M10 - Copper
RS Stock No. 125-1968
BrandRS PRO
$0.414
Each (In a Pack of 100)
units
- - Insulated HDPE 3.7mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG - M3.7 (#6) Red Copper
RS Stock No. 178-8628
BrandRS PRO
$0.586
Each (In a Bag of 100)
units
- - Uninsulated - 6.4mm 12mm 14mm² - 6AWG - - 6.4mm - Copper
RS Stock No. 178-7264
BrandRS PRO
$0.311
Each (In a Bag of 100)
units
- - Insulated Nylon 8.4mm 14mm 6mm² 2.5mm² 10AWG 12AWG - 8.4mm Yellow Copper
RS Stock No. 178-8652
BrandRS PRO
$0.075
Each (In a Bag of 100)
units
- - Insulated Vinyl 4.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG - 4.3mm Red Copper
RS Stock No. 178-8671
BrandRS PRO
$0.242
Each (In a Bag of 100)
units
- - Insulated Vinyl 10.5mm 15mm 6mm² 4mm² 10AWG 12AWG - 10.5mm Yellow Copper
RS Stock No. 178-8621
BrandRS PRO
$0.241
Each (In a Bag of 100)
units
- - Uninsulated - 8.4mm 15mm 6mm² 4mm² 10AWG 12AWG - 8.4mm - Copper
RS Stock No. 178-7273
BrandRS PRO
$0.194
Each (In a Bag of 100)
units
- - Insulated Vinyl 5.3mm 10mm 6mm² 2.5mm² 10AWG 12AWG - 5.3mm Yellow Copper
RS Stock No. 178-7261
BrandRS PRO
$0.139
Each (In a Bag of 100)
units
- - Insulated Nylon 5.3mm 10mm 2.5mm² 1.5mm² 14AWG 16AWG - 5.3mm Blue Copper
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