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. 170-9431
Mfr. Part No.320551
HK$1,380.20
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 4.34mm 7.92mm 1.65mm² 0.26mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 161-6224
Mfr. Part No.160032
HK$4.258
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 10.5mm 15.9mm 16.8mm² 10.5mm² 6AWG 6AWG M10 - Copper Tin
RS Stock No. 149-681
BrandRS PRO
HK$569.85
1 Reel of 800
Reel(s)
3150 - Insulated Vinyl 6.4mm 11.6mm 1.5mm² 0.5mm² 16AWG 22AWG M6 (1/4) Blue Copper Tin
RS Stock No. 433-034
BrandRS PRO
HK$0.469
Each (In a Pack of 100)
units
- - Uninsulated - 3.2mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG M3 - Copper Tin
RS Stock No. 531-043
BrandRS PRO
HK$3.583
Each (In a Pack of 10)
units
- - Uninsulated - 6.4mm - 16mm² - - - M6 - Copper Tin
RS Stock No. 267-3650
BrandRS PRO
HK$0.747
Each (In a Pack of 100)
units
- - Insulated Nylon 3.2mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG M3 (#4) Red Copper -
RS Stock No. 842-062
Mfr. Part No.34158
HK$1.126
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 3.68mm 6.35mm 2.6mm² 1mm² 14AWG 16AWG M3.5 Blue Copper Tin
RS Stock No. 161-6223
Mfr. Part No.33466
HK$2.719
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 8.33mm 15.88mm 16.8mm² 10.5mm² 6AWG 6AWG M8 - Copper Tin
RS Stock No. 163-8432
Mfr. Part No.34158
HK$1,158.00
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 3.68mm 6.35mm 2.6mm² 1mm² 14AWG 16AWG M3.5 Blue Copper Tin
RS Stock No. 373-409
Mfr. Part No.160032
HK$7.474
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 10.5mm 15.9mm 16.8mm² 10.5mm² 6AWG 6AWG M10 - Copper Tin
RS Stock No. 534-569
BrandRS PRO
HK$1.006
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 10.5mm 2.5mm² 1.5mm² 14AWG 16AWG M6 Blue Copper Tin
RS Stock No. 267-3874
BrandRS PRO
HK$3.474
Each (In a Pack of 100)
units
- - Insulated Nylon 8.4mm 15mm 6mm² 4mm² 10AWG 12AWG M8 (5/16) Yellow Copper -
RS Stock No. 373-392
Mfr. Part No.33466
HK$4.305
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 8.33mm 15.88mm 16.8mm² 10.5mm² 6AWG 6AWG M8 - Copper Tin
RS Stock No. 166-7575
Mfr. Part No.FVDWS5.5-S4(LF)
BrandJST
HK$2.372
Each (In a Box of 500)
units
R - Insulated Vinyl 4.3mm 7.2mm 6.6mm² 2.6mm² 10AWG 12AWG 4mm Yellow Copper -
RS Stock No. 838-8213
Mfr. Part No.FVDWS5.5-S4(LF)
BrandJST
HK$2.754
Each (In a Pack of 50)
units
R - Insulated Vinyl 4.3mm 7.2mm 6.6mm² 2.6mm² 10AWG 12AWG 4mm Yellow Copper -
RS Stock No. 534-575
BrandRS PRO
HK$0.704
Each (In a Pack of 100)
units
- - Insulated PVC 5.3mm 9.5mm 2.5mm² 1.5mm² 14AWG 16AWG M5 Blue Copper Tin
RS Stock No. 241-4704
BrandRS PRO
HK$32.655
Each (In a Pack of 4)
units
CT - Uninsulated - 12.9mm - 150mm² 150mm² - - M12 - Copper Tin
RS Stock No. 373-465
Mfr. Part No.160075
HK$8.17
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 10.49mm 16.66mm 26.7mm² 16.8mm² 4AWG 4AWG M10 - Copper Tin
RS Stock No. 149-675
BrandRS PRO
HK$394.30
1 Reel of 800
Reel(s)
3150 - Insulated Vinyl 5.3mm 9.5mm 1.5mm² 0.5mm² 16AWG 22AWG M5 (#10) Blue Copper Tin
RS Stock No. 267-3616
BrandRS PRO
HK$0.801
Each (In a Pack of 100)
units
- - Insulated Nylon 5.3mm 8mm 1.5mm² 0.5mm² 16AWG 22AWG M5 (#10) Red Copper -
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