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. 149-675
BrandRS PRO
HK$508.51
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. 373-465
Mfr. Part No.160075
HK$8.81
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. 135-5028
Mfr. Part No.320571
HK$1,530.00
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 6.73mm 11.91mm 1.65mm² 0.26mm² 16AWG 22AWG M6 Red Copper Tin
RS Stock No. 161-6193
Mfr. Part No.160075
HK$8.164
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 10.49mm 16.66mm 26.7mm² 16.8mm² 4AWG 4AWG M10 - Copper Tin
RS Stock No. 373-415
Mfr. Part No.33469
HK$5.39
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 6.73mm 16.66mm 26.7mm² 16.8mm² 4AWG 4AWG M6 - Copper Tin
RS Stock No. 534-581
BrandRS PRO
HK$0.771
Each (In a Pack of 100)
units
- - Insulated PVC 4.16mm 8mm 2.5mm² 1.5mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 165-0508
Mfr. Part No.2-34107-2
HK$6,200.00
1 Reel of 5000
Reel(s)
SOLISTRAND - Uninsulated - 3.68mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 (#6) - Copper -
RS Stock No. 164-8623
Mfr. Part No.33469
HK$4.83
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 6.73mm 16.66mm 26.7mm² 16.8mm² 4AWG 4AWG M6 - Copper Tin
RS Stock No. 710-0491
Mfr. Part No.2-34107-2
HK$2.35
Each (In a Pack of 10)
units
SOLISTRAND - Uninsulated - 3.68mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 (#6) - Copper -
RS Stock No. 373-320
Mfr. Part No.33461
HK$2.34
Each (In a Pack of 50)
units
SOLISTRAND - Uninsulated - 6.73mm 11.91mm 10.5mm² 6.6mm² 8AWG 8AWG M6 - Copper Tin
RS Stock No. 190-3650
Mfr. Part No.626030-2
HK$15,300.00
1 Pack of 10000
Pack(s)
- - Uninsulated - - - 1.65mm² 0.5mm² 15AWG 20AWG 6.5mm - Brass Tin
RS Stock No. 790-6918
Mfr. Part No.19324-0008
BrandMolex
HK$3.039
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 4.39mm 7.92mm 2.5mm² 1mm² - - M4 (#8) - Copper Alloy Tin
RS Stock No. 688-1173
Mfr. Part No.FVWS1.25-3(LF)
BrandJST
HK$0.664
Each (In a Pack of 100)
units
FV - Insulated Vinyl 3.2mm 5.5mm 1.65mm² 0.25mm² 16AWG 22AWG M3 (#3 → #4) Red - -
RS Stock No. 604-8301
Mfr. Part No.R1.25-5
BrandJST
HK$26.99
1 Bag of 100
Bag(s)
- - Uninsulated - - - 1.65mm² 0.25mm² 16AWG 22AWG 5mm - - -
RS Stock No. 166-7458
Mfr. Part No.FVWS1.25-3(LF)
BrandJST
HK$565.70
1 Box of 1000
Box(es)
FV - Insulated Vinyl 3.2mm 5.5mm 1.65mm² 0.25mm² 16AWG 22AWG M3 (#3 to #4) Red - -
RS Stock No. 531-891
BrandRS PRO
HK$10.23
Each (In a Pack of 10)
units
- - Uninsulated - 10.4mm - 50mm² - - - M10 - Copper Tin
RS Stock No. 241-4669
BrandRS PRO
HK$26.426
Each (In a Pack of 10)
units
- - Uninsulated - 12.7mm - 95mm² - - - M12 - Copper Tin
RS Stock No. 267-3789
BrandRS PRO
HK$1.201
Each (In a Pack of 100)
units
- - Insulated Nylon 3.7mm 6.6mm 2.5mm² 1.5mm² 14AWG 16AWG M3.5 (#6) Blue Copper -
RS Stock No. 239-4105
BrandRS PRO
HK$1.071
Each (In a Pack of 100)
units
- - Insulated Nylon 2.7mm 5mm 0.5mm² 0.2mm² 22AWG 26AWG M2.5 Yellow Copper Tin
RS Stock No. 531-059
BrandRS PRO
HK$4.506
Each (In a Pack of 10)
units
- - Uninsulated - 8.4mm - 16mm² - - - M8 - Copper Tin
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