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. 795-2062
Mfr. Part No.32859
$0.152
Each (In a Pack of 100)
units
Budget - Uninsulated - 4.34mm 6.35mm 0.4mm² 0.1mm² 22AWG 26AWG - M4 (#8) - Copper
RS Stock No. 790-6970
Mfr. Part No.19323-0009
BrandMolex
$0.474
Each (In a Pack of 50)
units
VersaKrimp - Uninsulated - 5.39mm 8.69mm 2.5mm² 1mm² - - - M5 - Copper Alloy
RS Stock No. 790-6891
Mfr. Part No.19324-0001
BrandMolex
$0.334
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 2.77mm 6.45mm 1mm² 0.5mm² - - - M2.6 (#4) - Copper Alloy
RS Stock No. 178-8624
BrandRS PRO
$0.336
Each (In a Bag of 100)
units
- - Uninsulated - 5.3mm 12mm 8mm² - 8AWG - - 5.3mm - Copper
RS Stock No. 164-2230
Mfr. Part No.324057
$11.88
Each (In a Box of 50)
units
TERMINYL - Insulated Nylon 9.91mm 20.5mm 60.6mm² 42.4mm² 1/0AWG 1/0AWG - 9.53mm Blue Copper
RS Stock No. 163-0357
Mfr. Part No.SRB-2.5T-M6
BrandJST
$0.123
Each (On a Reel of 4000)
units
SRB - Uninsulated - 6.5mm 9.5mm 2.5mm² 1mm² 14AWG 18AWG - M6 - Brass
RS Stock No. 669-2254
Mfr. Part No.52273
$0.672
Each (In a Pack of 100)
units
PIDG - Insulated Nylon - - 1.65mm² 0.26mm² 16AWG 22AWG - M2.5 Green, Red Copper
RS Stock No. 680-5902
Mfr. Part No.697233-000
$3.047
Each (In a Pack of 50)
units
DuraSeal - Insulated Nylon - - 6mm² 3mm² 10AWG 12AWG - 5mm Yellow 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. 163-0404
Mfr. Part No.SRB-1.0T-M3
BrandJST
$0.218
Each (In a Bag of 50)
units
SRB - Uninsulated - 3.2mm 8mm 1mm² 0.5mm² 18AWG 20AWG - M3 - Brass
RS Stock No. 909-7662
Mfr. Part No.321021
$0.773
Each (In a Pack of 10)
units
PIDG - Insulated PVC 4.34mm 6.35mm 0.4mm² 0.1mm² 22AWG 26AWG - M4, 8 Yellow Copper
RS Stock No. 190-4013
Mfr. Part No.34145
$1,540.00
1 Pack of 10000
Pack(s)
PLASTI-GRIP - Insulated Vinyl 4.34mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG - 4mm Red Copper
RS Stock No. 669-1766
Mfr. Part No.34115
$0.393
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - - - 1.65mm² 0.26mm² 16AWG 22AWG - M10 - Copper
RS Stock No. 178-8591
BrandRS PRO
$0.058
Each (In a Bag of 100)
units
- - Uninsulated - 3.7mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG - 3.7mm - Copper
RS Stock No. 178-8633
BrandRS PRO
$1.088
Each (In a Bag of 5)
units
- - Uninsulated - 8.4mm 16.5mm 22mm² - 4AWG - - 8.4mm - Copper
RS Stock No. 680-5612
Mfr. Part No.320619
$0.49
Each (In a Pack of 50)
units
PIDG - Insulated Nylon - - 2.6mm² 1mm² 14AWG 16AWG - M3.5 Blue Copper
RS Stock No. 178-8630
BrandRS PRO
$0.71
Each (In a Bag of 100)
units
- - Uninsulated - 10.5mm 16mm 14mm² - 6AWG - - 10.5mm - Copper
RS Stock No. 669-2258
Mfr. Part No.52273-1
$0.85
Each (In a Pack of 50)
units
PIDG - Insulated Nylon - - 1.65mm² 0.26mm² 16AWG 22AWG - M2.5 Red Copper
RS Stock No. 688-1246
Mfr. Part No.FVWS2-5
BrandJST
$0.277
Each (In a Pack of 100)
units
FV - Insulated Vinyl - - 2.6mm² 1mm² 14AWG 16AWG - 5mm Blue -
RS Stock No. 164-4194
Mfr. Part No.53941-1
$486.00
1 Box of 1000
Box(es)
PIDG - Insulated Nylon - - 2.6mm² 1mm² 14AWG 16AWG - M4 Blue Copper
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