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 Minimum Wire Size mm² Outer Ring Diameter Maximum Wire Size mm² Maximum Wire Size AWG Minimum Wire Size AWG Stud Size Colour Contact Material Contact Plating
RS stock no. 534-216
BrandRS PRO
R 0.506
Each (In a Pack of 100)
units
- - Insulated PVC 4.16mm 0.5mm² 8mm 1.5mm² 16AWG 22AWG M4 Red Copper Tin
RS stock no. 149-704
BrandRS PRO
R 1,289.54
1 Reel of 800
Reel(s)
3110 - Insulated Vinyl 4.3mm 0.5mm² 8mm 1.5mm² 16AWG 22AWG M4 (#8) Red Copper Tin
RS stock no. 136-1793
Mfr. Part No.130008
R 1,854.11
1 Box of 1000
Box(es)
PIDG - Insulated - 5mm 0.25mm² 7.92mm 1.6mm² 16AWG 22AWG M5 Red Copper Tin
RS stock no. 457-5126
Mfr. Part No.130008
R 2.891
Each (In a Pack of 100)
units
PIDG - Insulated - 5mm 0.25mm² 7.92mm 1.6mm² 16AWG 22AWG M5 Red Copper Tin
RS stock no. 534-238
BrandRS PRO
R 0.851
Each (In a Pack of 100)
units
- - Insulated PVC 3.2mm 0.5mm² 5.5mm 1.5mm² 16AWG 22AWG M3 Red Copper Tin
RS stock no. 163-8752
Mfr. Part No.B-106-1601
R 4,224.99
1 Box of 1000
Box(es)
DuraSeal - Insulated Nylon - 0.5mm² - 1mm² 18AWG 22AWG M6 Red Copper Tin
RS stock no. 221-6106
Mfr. Part No.B-106-1601
R 123.36
1 Box of 25
Box(es)
DuraSeal - Insulated Nylon - 0.5mm² - 1mm² 18AWG 22AWG M6 Red Copper Tin
RS stock no. 136-1790
Mfr. Part No.130094
R 2,852.87
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 5mm 1mm² 8.7mm 2.6mm² 14AWG 16AWG M5 Blue Copper Tin
RS stock no. 457-4000
Mfr. Part No.130094
R 3.934
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 5mm 1mm² 8.7mm 2.6mm² 14AWG 16AWG M5 Blue Copper Tin
RS stock no. 163-8749
Mfr. Part No.B-106-1401
R 12,114.76
1 Box of 1000
Box(es)
DuraSeal - Insulated Nylon - 0.5mm² - 1mm² 18AWG 22AWG M4 Red Copper Tin
RS stock no. 221-6061
Mfr. Part No.B-106-1401
R 422.64
1 Box of 25
Box(es)
DuraSeal - Insulated Nylon - 0.5mm² - 1mm² 18AWG 22AWG M4 Red Copper Tin
RS stock no. 534-569
BrandRS PRO
R 2.053
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 1.5mm² 10.5mm 2.5mm² 14AWG 16AWG M6 Blue Copper Tin
RS stock no. 149-681
BrandRS PRO
R 1,220.29
1 Reel of 800
Reel(s)
3150 - Insulated Vinyl 6.4mm 0.5mm² 11.6mm 1.5mm² 16AWG 22AWG M6 (1/4) Blue Copper Tin
RS stock no. 208-2537
BrandRS PRO
R 3.188
Each (In a Pack of 100)
units
- - Insulated PVC 10mm 2.5mm² 15mm 6mm² 10AWG 12AWG M10 Yellow Copper Tin
RS stock no. 531-021
BrandRS PRO
R 3.456
Each (In a Pack of 25)
units
- - Uninsulated - 6.4mm - - 10mm² - - M6 - Copper Tin
RS stock no. 528-9292
Mfr. Part No.320560
R 3.089
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 4.17mm 1mm² 8.71mm 2.6mm² 14AWG 16AWG M4 Blue Copper Tin
RS stock no. 782-7417
Mfr. Part No.2-36152-1
R 3.331
Each (In a Pack of 100)
units
PIDG - Insulated Nylon - 0.26mm² 0.281in 1.65mm² 16AWG 22AWG M3.5 Red Copper Tin
RS stock no. 149-675
BrandRS PRO
R 913.95
1 Reel of 800
Reel(s)
3150 - Insulated Vinyl 5.3mm 0.5mm² 9.5mm 1.5mm² 16AWG 22AWG M5 (#10) Blue Copper Tin
RS stock no. 534-575
BrandRS PRO
R 1.602
Each (In a Pack of 100)
units
- - Insulated PVC 5.3mm 1.5mm² 9.5mm 2.5mm² 14AWG 16AWG M5 Blue Copper Tin
RS stock no. 170-9444
Mfr. Part No.320560
R 2,619.21
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 4.17mm 1mm² 8.71mm 2.6mm² 14AWG 16AWG M4 Blue Copper Tin