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. 241-4669
BrandRS PRO
HK$26.426
Each (In a Pack of 10)
units
- - Uninsulated - 12.7mm - 95mm² - - - M12 - Copper Tin
RS Stock No. 841-7639
BrandRS PRO
HK$4.299
Each (In a Pack of 50)
units
- - Uninsulated - 10.3mm 17mm 35mm² 35mm² - - 10mm - Copper Tin
RS Stock No. 534-193
BrandRS PRO
HK$1.109
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 11mm 1.5mm² 0.5mm² 16AWG 22AWG M6 Red Copper Tin
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. 136-1647
Mfr. Part No.34855
HK$2.43
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. 173-3978
Mfr. Part No.34108
HK$1,000.00
1 Box of 1000
Box(es)
SOLISTRAND - Uninsulated - 4.34mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG M4 - Copper Tin
RS Stock No. 373-421
Mfr. Part No.33470
HK$5.334
Each (In a Pack of 25)
units
SOLISTRAND - Uninsulated - 8.33mm 16.66mm 26.7mm² 16.8mm² 4AWG 4AWG M8 - Copper Tin
RS Stock No. 613-9249
BrandRS PRO
HK$0.812
Each (In a Pack of 100)
units
- - Insulated Vinyl 4.3mm 6.6mm 1.5mm² 0.5mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 604-8389
Mfr. Part No.R5.5-5
BrandJST
HK$61.26
1 Bag of 100
Bag(s)
- - Uninsulated - - - 6.6mm² 2.6mm² 10AWG 12AWG 5mm - - -
RS Stock No. 669-2220
Mfr. Part No.2-36161-3
HK$5.80
Each (In a Pack of 25)
units
PIDG - Insulated Nylon - - 6.6mm² 2.6mm² 10AWG 12AWG M5 Yellow Copper Tin
RS Stock No. 170-9397
Mfr. Part No.34148
HK$676.00
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 4.17mm 7.92mm 1.65mm² 0.26mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 241-4631
BrandRS PRO
HK$10.046
Each (In a Pack of 10)
units
- - Uninsulated - 8mm - 35mm² - - - M8 - Copper Tin
RS Stock No. 190-3864
Mfr. Part No.2-34150-1
HK$6,950.00
1 Pack of 5000
Pack(s)
PLASTI-GRIP - Insulated Vinyl - - 1.65mm² 0.26mm² 16AWG 22AWG M6 Red Copper Tin
RS Stock No. 795-6363
Mfr. Part No.2-320565-1
HK$1.69
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 0.171in 0.343in 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 161-6190
Mfr. Part No.33470
HK$4.076
Each (In a Box of 100)
units
SOLISTRAND - Uninsulated - 8.33mm 16.66mm 26.7mm² 16.8mm² 4AWG 4AWG M8 - Copper Tin
RS Stock No. 267-3593
BrandRS PRO
HK$1.182
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 11.6mm 1.5mm² 0.5mm² 16AWG 22AWG M6 (1/4) Red Copper -
RS Stock No. 688-1240
Mfr. Part No.FVWS2-6
BrandJST
HK$1.042
Each (In a Pack of 100)
units
FV - Insulated Vinyl - - 2.6mm² 1mm² 14AWG 16AWG 6mm Blue - -
RS Stock No. 838-8226
Mfr. Part No.FN1.25-M4
BrandJST
HK$1.884
Each (In a Pack of 100)
units
R - Insulated Nylon 4.3mm 6.6mm 1.65mm² 0.25mm² 16AWG 22AWG 4mm Red - -
RS Stock No. 531-087
BrandRS PRO
HK$2.608
Each (In a Pack of 10)
units
- - Uninsulated - 10.4mm - 25mm² - - - M10 - Copper Tin
RS Stock No. 267-3903
BrandRS PRO
HK$1.785
Each (In a Pack of 100)
units
- - Insulated Nylon 4.3mm 7.2mm 6mm² 4mm² 10AWG 12AWG M4 (#8) Yellow Copper -
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