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 Stud Size Colour Contact Material Contact Plating
RS Stock No. 534-216
BrandRS PRO
HK$0.583
Each (In a Pack of 100)
units
- - Insulated PVC 4.16mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 149-704
BrandRS PRO
HK$393.12
1 Reel of 800
Reel(s)
3110 - Insulated Vinyl 4.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG M4 (#8) Red Copper Tin
RS Stock No. 149-265
BrandRS PRO
HK$153.72
1 Reel of 800
Reel(s)
3110 - Insulated Vinyl 5.3mm 10mm 1.5mm² 0.5mm² 16AWG 22AWG M5 (#10) Red Copper Tin
RS Stock No. 718-7555
Mfr. Part No.35135
HK$5.12
Each (In a Pack of 10)
units
SOLISTRAND - Uninsulated - - - 6.6mm² 2.6mm² 10AWG 12AWG M12 - Copper Tin
RS Stock No. 534-200
BrandRS PRO
HK$0.537
Each (In a Pack of 100)
units
- - Insulated PVC 5.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG M5 Red Copper Tin
RS Stock No. 165-0911
Mfr. Part No.35135
HK$3.392
Each (In a Box of 500)
units
SOLISTRAND - Uninsulated - - - 6.6mm² 2.6mm² 10AWG 12AWG M12 - Copper Tin
RS Stock No. 267-6441
BrandRS PRO
HK$1.864
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG M6 (1/4) Yellow Copper -
RS Stock No. 531-908
BrandRS PRO
HK$11.504
Each (In a Pack of 10)
units
- - Uninsulated - 12.8mm - 50mm² - - - M12 - Copper Tin
RS Stock No. 842-040
Mfr. Part No.130102
HK$0.636
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 531-021
BrandRS PRO
HK$2.002
Each (In a Pack of 25)
units
- - Uninsulated - 6.4mm - 10mm² - - - M6 - Copper Tin
RS Stock No. 534-222
BrandRS PRO
HK$0.436
Each (In a Pack of 100)
units
- - Insulated PVC 3.7mm 6.6mm 1.5mm² 0.5mm² 16AWG 22AWG M3.5 Red Copper Tin
RS Stock No. 136-1646
Mfr. Part No.130102
HK$649.57
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 531-037
BrandRS PRO
HK$2.91
Each (In a Pack of 25)
units
- - Uninsulated - 8.4mm - 10mm² - - - M8 - Copper Tin
RS Stock No. 531-920
BrandRS PRO
HK$17.593
Each (In a Pack of 10)
units
- - Uninsulated - 12.8mm - 70mm² - - - M12 - Copper Tin
RS Stock No. 136-1790
Mfr. Part No.130094
HK$1,388.69
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 457-4000
Mfr. Part No.130094
HK$1.618
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 5mm 8.7mm 2.6mm² 1mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 267-3880
BrandRS PRO
HK$1.864
Each (In a Pack of 100)
units
- - Insulated Nylon 5.3mm 9.5mm 6mm² 4mm² 10AWG 12AWG M5 (#10) Yellow Copper -
RS Stock No. 149-253
BrandRS PRO
HK$201.87
1 Reel of 500
Reel(s)
3130 - Insulated Vinyl 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG M6 (1/4) Yellow Copper Tin
RS Stock No. 534-430
BrandRS PRO
HK$1.177
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 11mm 6mm² 2.5mm² 10AWG 12AWG M6 Yellow Copper Tin
RS Stock No. 457-5104
Mfr. Part No.320551
HK$1.16
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 4.34mm 7.92mm 1.65mm² 0.26mm² 16AWG 22AWG M4 Red Copper Tin
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