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. 164-8615
Mfr. Part No.320573
HK$2,182.00
1 Box of 1000
Box(es)
PIDG - Insulated Nylon - - 1.65mm² 0.26mm² 16AWG 22AWG M10 Red Copper Tin
RS Stock No. 239-4105
BrandRS PRO
HK$0.857
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. 267-3789
BrandRS PRO
HK$0.846
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. 136-1647
Mfr. Part No.34855
HK$1.72
Each (In a Box of 500)
units
PLASTI-GRIP - Insulated Vinyl 6.73mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M6 Yellow Copper Tin
RS Stock No. 613-9508
BrandRS PRO
HK$0.28
Each (In a Pack of 100)
units
- - Insulated Vinyl 4.3mm 8.5mm 2.5mm² 1.5mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 163-8691
Mfr. Part No.321895
HK$8,930.00
1 Box of 1000
Box(es)
STRATO-THERM - - - 4.34mm 7.92mm 1.65mm² 0.26mm² 16AWG 22AWG M4 - Nickel -
RS Stock No. 842-135
Mfr. Part No.34855
HK$1.953
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 6.73mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M6 Yellow Copper Tin
RS Stock No. 804-6953
Mfr. Part No.3240018
HK$1.809
Each (In a Pack of 100)
units
C-RCI 1.5/M4 - Insulated Plastic 4.3mm 8mm 1.5mm² 0.5mm² - - M4 Red Copper -
RS Stock No. 164-8614
Mfr. Part No.320569
HK$1.86
Each (In a Box of 500)
units
PIDG - Insulated Nylon 6.35mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M6 Yellow Copper Tin
RS Stock No. 267-3739
BrandRS PRO
HK$1.167
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 2.5mm² 1.5mm² 14AWG 16AWG M6 (1/4) Blue Copper -
New
RS Stock No. 190-3501
Mfr. Part No.FN1.25-M4
BrandJST
HK$1.656
Each (In a Pack of 500)
units
R - Insulated Nylon 4.3mm 6.6mm 1.65mm² 0.25mm² 16AWG 22AWG 4mm Red - -
RS Stock No. 170-9399
Mfr. Part No.34160
HK$659.00
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 164-3185
Mfr. Part No.2-320565-1
HK$5,787.74
1 Reel of 5000
Reel(s)
PIDG - Insulated Nylon 0.171in 0.343in 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 241-4675
BrandRS PRO
HK$8.788
Each (In a Pack of 4)
units
CT - Uninsulated - 12.7mm - 120mm² 120mm² - - M12 - Copper Tin
RS Stock No. 680-5618
Mfr. Part No.320565
HK$1.356
Each (In a Pack of 50)
units
PIDG - Insulated Nylon 0.171in 0.343in 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 604-8389
Mfr. Part No.R5.5-5
BrandJST
HK$51.74
1 Bag of 100
Bag(s)
- - Uninsulated - - - 6.6mm² 2.6mm² 10AWG 12AWG 5mm - - -
RS Stock No. 842-056
Mfr. Part No.34160
HK$0.74
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 4.34mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 136-1644
Mfr. Part No.34149
HK$1,212.43
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 5mm 7.92mm 1.65mm² 0.26mm² 16AWG 22AWG M5 Red Copper Tin
RS Stock No. 136-1793
Mfr. Part No.130008
HK$1,084.10
1 Box of 1000
Box(es)
PIDG - Insulated - 5mm 7.92mm 1.6mm² 0.25mm² 16AWG 22AWG M5 Red Copper Tin
RS Stock No. 669-2220
Mfr. Part No.2-36161-3
HK$5.448
Each (In a Pack of 25)
units
PIDG - Insulated Nylon - - 6.6mm² 2.6mm² 10AWG 12AWG M5 Yellow Copper Tin
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