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. 119-160
BrandRS PRO
$0.416
Each (In a Pack of 25)
units
- - Uninsulated - 6.4mm - 6mm² - - - - M6 - Copper
RS Stock No. 534-216
BrandRS PRO
$0.148
Each (In a Pack of 100)
units
- - Insulated PVC 4.16mm 6mm 1.5mm² 0.5mm² 16AWG 22AWG - M4 Red Copper
RS Stock No. 149-704
BrandRS PRO
$106.70
1 Reel of 800
Reel(s)
3110 - Insulated Vinyl 4.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG - M4 (#8) Red Copper
RS Stock No. 190-3781
Mfr. Part No.34125
$271.00
1 Pack of 1000
Pack(s)
SOLISTRAND - Uninsulated - - - 2.6mm² 1mm² 14AWG 16AWG - M8 - Copper
RS Stock No. 669-1778
Mfr. Part No.34125
$0.345
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - - - 2.6mm² 1mm² 14AWG 16AWG - M8 - Copper
RS Stock No. 136-1661
Mfr. Part No.322694
$1,230.00
1 Box of 1000
Box(es)
SOLISTRAND - Uninsulated - 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - 4.17mm - Copper
RS Stock No. 161-1184
Mfr. Part No.322694
$1.77
Each (In a Pack of 10)
units
SOLISTRAND - Uninsulated - 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - 4.17mm - Copper
RS Stock No. 398-3009
Mfr. Part No.1R8
BrandKlauke
$0.706
Each (In a Bag of 10)
units
- - Uninsulated - - - 6mm² 6mm² - - - M8 - Copper
RS Stock No. 161-1308
Mfr. Part No.323683
$8.75
Each (In a Pack of 10)
units
STRATO-THERM - Uninsulated - 6.35mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG - M6 - Nickel
RS Stock No. 433-034
BrandRS PRO
$0.16
Each (In a Pack of 100)
units
- - Uninsulated - 3.2mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG - M3 - Copper
RS Stock No. 135-4647
Mfr. Part No.323683
$7.43
Each (In a Box of 500)
units
STRATO-THERM - Uninsulated - 6.35mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG - M6 - Nickel
RS Stock No. 208-2565
BrandRS PRO
$0.108
Each (In a Pack of 100)
units
- - Uninsulated - 4.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG - M4 - Copper
RS Stock No. 534-193
BrandRS PRO
$0.233
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 11mm 1.5mm² 0.5mm² 16AWG 22AWG - M6 Red Copper
RS Stock No. 170-9404
Mfr. Part No.322335
$1,450.00
1 Box of 1000
Box(es)
STRATO-THERM - Uninsulated - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - M5 - Nickel
RS Stock No. 531-065
BrandRS PRO
$1.272
Each (In a Pack of 10)
units
- - Uninsulated - 6.4mm - 25mm² - - - - M6 - Copper
RS Stock No. 161-1229
Mfr. Part No.323062
$0.984
Each (In a Pack of 10)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG - M5 - Copper
RS Stock No. 267-6441
BrandRS PRO
$0.366
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG - M6 (1/4) Yellow Copper
RS Stock No. 163-9153
Mfr. Part No.323062
$0.686
Each (In a Box of 500)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG - M5 - Copper
RS Stock No. 534-238
BrandRS PRO
$0.104
Each (In a Pack of 100)
units
- - Insulated PVC 3.2mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG - M3 Red Copper
RS Stock No. 613-9508
BrandRS PRO
$0.086
Each (In a Pack of 100)
units
- - Insulated Vinyl 4.3mm 8.5mm 2.5mm² 1.5mm² 14AWG 16AWG - M4 Blue Copper
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