Crimp 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. 178-8599
BrandRS PRO
$0.076
Each (In a Bag of 100)
units
- - Uninsulated - 3.7mm 6.6mm 2.5mm² 1.5mm² 14AWG 16AWG - 3.7mm - Copper
RS Stock No. 178-8600
BrandRS PRO
$0.077
Each (In a Bag of 100)
units
- - Uninsulated - 4.3mm 6.6mm 2.5mm² 1.5mm² 14AWG 16AWG - 4.3mm - Copper
RS Stock No. 178-8682
BrandRS PRO
$0.142
Each (In a Bag of 100)
units
- - Insulated Vinyl 8.4mm 12mm 2.5mm² 1.5mm² 14AWG 16AWG - 8.4mm Blue Copper
RS Stock No. 178-7260
BrandRS PRO
$0.13
Each (In a Bag of 100)
units
- - Insulated Nylon 5.3mm 10mm 1.5mm² 0.5mm² 16AWG 22AWG - 5.3mm Red Copper
RS Stock No. 125-1960
BrandRS PRO
$0.716
Each (In a Pack of 10)
units
- - Uninsulated - 8.4mm 12.6mm 16mm² - 6AWG - - M8.4 (5/16) - Copper
RS Stock No. 178-8602
BrandRS PRO
$0.092
Each (In a Bag of 100)
units
- - Uninsulated - 5.3mm 8.5mm 2.5mm² 1.5mm² 14AWG 16AWG - 5.3mm - Copper
RS Stock No. 178-8656
BrandRS PRO
$0.11
Each (In a Bag of 100)
units
- - Insulated Vinyl 8.4mm 11.6mm 1.5mm² 0.5mm² 16AWG 22AWG - 8.4mm Red Copper
RS Stock No. 178-8644
BrandRS PRO
$0.455
Each (In a Bag of 100)
units
- - Insulated Nylon 6.4mm 12mm 8mm² - 8AWG - - 6.4mm Red Copper
RS Stock No. 267-3751
BrandRS PRO
$0.238
Each (In a Pack of 100)
units
- - Insulated Nylon 4.3mm 8.5mm 2.5mm² 1.5mm² 14AWG 16AWG - M4.5 (#8) Blue Copper
RS Stock No. 149-271
BrandRS PRO
$91.45
1 Reel of 800
Reel(s)
3110 - Insulated Vinyl 8.4mm 12.6mm 1.5mm² 0.5mm² 16AWG 22AWG - M8 (5/16) Red Copper
RS Stock No. 149-269
BrandRS PRO
$79.51
1 Reel of 800
Reel(s)
3110 - Insulated Vinyl 6.4mm 11.6mm 1.5mm² 0.5mm² 16AWG 22AWG - M6 (1/4) Red Copper
RS Stock No. 125-1970
BrandRS PRO
$0.854
Each (In a Pack of 100)
units
- - Insulated HDPE 5.3mm 9.6mm 6mm² 4mm² 10AWG 12AWG - M5.3 (#10) Yellow Copper
RS Stock No. 178-7262
BrandRS PRO
$0.165
Each (In a Bag of 100)
units
- - Insulated Nylon 6.5mm 11mm 2.5mm² 1.5mm² 14AWG 16AWG - 6.5mm Blue Copper
RS Stock No. 613-9356
BrandRS PRO
$0.122
Each (In a Pack of 100)
units
- - Insulated Vinyl 3.7mm 7.2mm 6mm² 4mm² 10AWG 12AWG - M3.5 Yellow Copper
RS Stock No. 178-7256
BrandRS PRO
$0.07
Each (In a Bag of 100)
units
- - Uninsulated - 3.2mm 6mm 1.5mm² 0.5mm² 16AWG 22AWG - 3.2mm - Copper
RS Stock No. 178-8662
BrandRS PRO
$0.134
Each (In a Bag of 100)
units
- - Insulated Vinyl 6.4mm 12mm 2.5mm² 1.5mm² 14AWG 16AWG - 6.4mm Blue Copper
RS Stock No. 178-8628
BrandRS PRO
$0.604
Each (In a Bag of 100)
units
- - Uninsulated - 6.4mm 12mm 14mm² - 6AWG - - 6.4mm - Copper
RS Stock No. 809-2234
BrandRS PRO
$0.056
Each (In a Pack of 100)
units
- - Uninsulated - 3.7mm 6mm 2.5mm² 1.5mm² 14AWG 16AWG - #6 - Copper
RS Stock No. 178-8595
BrandRS PRO
$0.072
Each (In a Bag of 100)
units
- - Uninsulated - 5.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG - 5.3mm - Copper
RS Stock No. 178-7271
BrandRS PRO
$0.106
Each (In a Bag of 100)
units
- - Insulated Vinyl 4.3mm 8mm 2.5mm² 1.5mm² 14AWG 16AWG - 4.3mm Blue Copper
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