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
New
RS Stock No. 190-3781
Mfr. Part No.34125
$416.60
1 Pack of 1000
Pack(s)
SOLISTRAND - Uninsulated - - - 2.6mm² 1mm² 14AWG 16AWG - M8 - Copper
RS Stock No. 669-1778
Mfr. Part No.34125
$0.325
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
$554.84
1 Box of 1000
Box(es)
- - Uninsulated - 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - 4.17mm - Copper
RS Stock No. 161-1184
Mfr. Part No.322694
$0.921
Each (In a Pack of 10)
units
- - Uninsulated - 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - 4.17mm - Copper
RS Stock No. 135-4647
Mfr. Part No.323683
$5.778
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. 161-1308
Mfr. Part No.323683
$8.651
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. 161-5015
Mfr. Part No.152881
$2,112.00
1 Bag of 1000
Bag(s)
PIDG - Insulated Nylon 5mm 7.14mm 1.65mm² 0.8mm² 16AWG 18AWG - M5 Orange, Red Copper
RS Stock No. 163-9153
Mfr. Part No.323062
$0.617
Each (In a Box of 500)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG - M5 - Copper
RS Stock No. 170-9404
Mfr. Part No.322335
$1,704.85
1 Box of 1000
Box(es)
STRATO-THERM - - - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - M5 - Nickel
RS Stock No. 710-5597
Mfr. Part No.152881
$3.434
Each (In a Pack of 5)
units
PIDG - Insulated Nylon 5mm 7.14mm 1.65mm² 0.8mm² 16AWG 18AWG - M5 Orange, Red Copper
RS Stock No. 161-1257
Mfr. Part No.322335
$1.331
Each (In a Pack of 10)
units
STRATO-THERM - - - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - M5 - Nickel
RS Stock No. 161-1229
Mfr. Part No.323062
$0.833
Each (In a Pack of 10)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG - M5 - Copper
RS Stock No. 135-4644
Mfr. Part No.323745
$2.513
Each (In a Box of 500)
units
STRATO-THERM - - - 3.28mm 5.74mm 6.6mm² 2.6mm² 10AWG 12AWG - M4 (#8) - Nickel
RS Stock No. 161-1285
Mfr. Part No.323745
$3.523
Each (In a Pack of 10)
units
STRATO-THERM - - - 3.28mm 5.74mm 6.6mm² 2.6mm² 10AWG 12AWG - M4 (#8) - Nickel
RS Stock No. 161-1291
Mfr. Part No.323680
$6.008
Each (In a Pack of 10)
units
STRATO-THERM - Uninsulated - 5mm 9.53mm 6.6mm² 2.6mm² 10AWG 12AWG - M5 - Nickel
RS Stock No. 136-1664
Mfr. Part No.322334
$1,122.00
1 Box of 1000
Box(es)
STRATO-THERM - - - 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG - M4 - Nickel
RS Stock No. 397-5654
Mfr. Part No.321885
$1.617
Each (In a Pack of 10)
units
STRATO-THERM - - - 3.35mm 5.54mm 1.65mm² 0.26mm² 16AWG 22AWG - M3 - Nickel
RS Stock No. 136-1790
Mfr. Part No.130094
$287.10
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG - M5 Blue Copper
RS Stock No. 457-5154
Mfr. Part No.320572
$0.681
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 8.33mm 11.91mm 1.65mm² 0.26mm² 16AWG 22AWG - M8 Red Copper
RS Stock No. 457-4000
Mfr. Part No.130094
$0.398
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG - M5 Blue Copper