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. 604-8109
Mfr. Part No.1.25-6
BrandJST
$10.78
1 Bag of 100
Bag(s)
- - Uninsulated - - - 1.65mm² 0.25mm² 16AWG 22AWG - 6mm - -
RS Stock No. 166-7357
Mfr. Part No.FVDWS2-M4
BrandJST
$186.13
1 Box of 1000
Box(es)
R - Insulated Vinyl 4.3mm 6.6mm 2.6mm² 1mm² 14AWG 16AWG - 4mm Blue Copper
RS Stock No. 838-8317
Mfr. Part No.8-6
BrandJST
$0.303
Each (In a Pack of 50)
units
R - Uninsulated - 6.4mm 12mm 10.5mm² 6.6mm² 8AWG 8AWG - 6mm - -
RS Stock No. 688-1432
Mfr. Part No.LRB-2.5T-M6
BrandJST
$0.19
Each (In a Pack of 100)
units
LRB - Uninsulated - 6.5mm 9.5mm 2.5mm² 1mm² 14AWG 18AWG - M6 - Brass
RS Stock No. 166-7417
Mfr. Part No.LRB-2.5T-M6
BrandJST
$0.148
Each (In a Bag of 500)
units
LRB - Uninsulated - 6.5mm 9.5mm 2.5mm² 1mm² 14AWG 18AWG - M6 - Brass
RS Stock No. 166-7510
Mfr. Part No.8-6
BrandJST
$0.236
Each (In a Box of 500)
units
R - Uninsulated - 6.4mm 12mm 10.5mm² 6.6mm² 8AWG 8AWG - 6mm - -
RS Stock No. 838-8200
Mfr. Part No.FVDWS2-M4
BrandJST
$0.253
Each (In a Pack of 100)
units
R - Insulated Vinyl 4.3mm 6.6mm 2.6mm² 1mm² 14AWG 16AWG - 4mm Blue Copper
RS Stock No. 604-8446
Mfr. Part No.R8-8
BrandJST
$25.06
1 Bag of 100
Bag(s)
- - Uninsulated - - - 10.5mm² 6.6mm² 8AWG 8AWG - 8mm - -
RS Stock No. 166-7189
Mfr. Part No.R14-10
BrandJST
$0.265
Each (In a Box of 200)
units
R - Uninsulated - 10.5mm 16mm 16.78mm² 10.5mm² 6AWG 6AWG - 10mm - -
RS Stock No. 838-8336
Mfr. Part No.R14-10
BrandJST
$0.364
Each (In a Pack of 50)
units
R - Uninsulated - 10.5mm 16mm 16.78mm² 10.5mm² 6AWG 6AWG - 10mm - -
RS Stock No. 166-7475
Mfr. Part No.FVWS2-10
BrandJST
$345.61
1 Box of 1000
Box(es)
FV - Insulated Vinyl - - 2.6mm² 1mm² 14AWG 16AWG - 10mm Blue -
RS Stock No. 838-8181
Mfr. Part No.FVDWS1.25-5 (LF)
BrandJST
$0.283
Each (In a Pack of 50)
units
R - Insulated Vinyl 5.3mm 8mm 1.65mm² 0.25mm² 16AWG 22AWG - 5mm Red Copper
RS Stock No. 688-1237
Mfr. Part No.FVWS2-10
BrandJST
$0.414
Each (In a Pack of 100)
units
FV - Insulated Vinyl - - 2.6mm² 1mm² 14AWG 16AWG - 10mm Blue -
RS Stock No. 166-7507
Mfr. Part No.FVDWS1.25-5 (LF)
BrandJST
$272.39
1 Box of 1000
Box(es)
R - Insulated Vinyl 5.3mm 8mm 1.65mm² 0.25mm² 16AWG 22AWG - 5mm Red Copper
RS Stock No. 838-8169
Mfr. Part No.FVWS2-M3 (LF)
BrandJST
$0.187
Each (In a Pack of 100)
units
R - Insulated Vinyl 3.7mm 6.6mm 2.6mm² 1mm² 14AWG 16AWG - 3.5mm Blue -
RS Stock No. 166-7355
Mfr. Part No.FVWS2-M3 (LF)
BrandJST
$118.08
1 Box of 1000
Box(es)
R - Insulated Vinyl 3.7mm 6.6mm 2.6mm² 1mm² 14AWG 16AWG - 3.5mm Blue -
RS Stock No. 838-8327
Mfr. Part No.14-8
BrandJST
$0.794
Each (In a Pack of 50)
units
R - Uninsulated - 8.4mm 16mm 16.78mm² 10.5mm² 6AWG 6AWG - 8mm - -
RS Stock No. 838-8342
Mfr. Part No.22-12
BrandJST
$1.741
Each (In a Pack of 10)
units
R - Uninsulated - 13mm 22mm 26.66mm² 16.78mm² 4AWG 4AWG - 12mm - -
RS Stock No. 166-7332
Mfr. Part No.14-8
BrandJST
$0.525
Each (In a Box of 200)
units
R - Uninsulated - 8.4mm 16mm 16.78mm² 10.5mm² 6AWG 6AWG - 8mm - -
RS Stock No. 838-8311
Mfr. Part No.8-8
BrandJST
$0.483
Each (In a Pack of 50)
units
R - Uninsulated - 8.4mm 15mm 10.5mm² 6.6mm² 8AWG 8AWG - 8mm - -