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. 710-5442
Mfr. Part No.322338
TWD88.00
Each
units
DG STRATO-THERM - Insulated - - - 2.6mm² 1mm² 14AWG 16AWG M5 Orange Nickel -
RS Stock No. 135-5166
Mfr. Part No.322338
TWD61,852.00
1 Box of 1000
Box(es)
DG STRATO-THERM - Insulated - - - 2.6mm² 1mm² 14AWG 16AWG M5 Orange Nickel -
RS Stock No. 161-1796
Mfr. Part No.31890
TWD5.30
Each (In a Box of 100)
units
PIDG - Insulated Nylon 4.34mm 7.92mm 1.65mm² 0.26mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 163-9995
Mfr. Part No.342103-1
TWD4,910.00
1 Box of 1000
Box(es)
PLASTI-GRIP - Insulated Vinyl 4mm 7.9mm 1.3mm² 0.3mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 680-5826
Mfr. Part No.342103-1
TWD6.20
Each (In a Pack of 100)
units
PLASTI-GRIP - Insulated Vinyl 4mm 7.9mm 1.3mm² 0.3mm² 16AWG 22AWG M4 Red Copper Tin
RS Stock No. 267-3650
BrandRS PRO
TWD4.40
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. 604-8531
Mfr. Part No.V0.5-3
BrandJST
TWD785.00
1 Bag of 100
Bag(s)
- - Insulated Vinyl - - 0.5mm² 0.2mm² 22AWG 26AWG 3mm Yellow - -
RS Stock No. 842-040
Mfr. Part No.130102
TWD4.50
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. 173-3990
Mfr. Part No.51864-1
TWD6,980.00
1 Box of 1000
Box(es)
PIDG - Insulated Nylon 4mm 7.92mm 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 170-9404
Mfr. Part No.322335
TWD28,100.00
1 Box of 1000
Box(es)
STRATO-THERM - - - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG M5 - Nickel -
RS Stock No. 161-1257
Mfr. Part No.322335
TWD41.00
Each (In a Pack of 10)
units
STRATO-THERM - - - 5mm 8.71mm 2.6mm² 1mm² 14AWG 16AWG M5 - Nickel -
RS Stock No. 136-1646
Mfr. Part No.130102
TWD3,530.00
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. 680-5870
Mfr. Part No.51864-1
TWD9.50
Each (In a Pack of 50)
units
PIDG - Insulated Nylon 4mm 7.92mm 2.6mm² 1mm² 14AWG 16AWG M4 Blue Copper Tin
RS Stock No. 457-5097
Mfr. Part No.36151
TWD6.60
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 3.68mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG M3.5 Red Copper Tin
RS Stock No. 457-5227
Mfr. Part No.320576
TWD14.80
Each (In a Pack of 100)
units
PIDG - Insulated Nylon 8.33mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M8 Yellow Copper Tin
RS Stock No. 135-5029
Mfr. Part No.320576
TWD11.40
Each (In a Box of 500)
units
PIDG - Insulated Nylon 8.33mm 13.49mm 6.6mm² 2.6mm² 10AWG 12AWG M8 Yellow Copper Tin
RS Stock No. 373-156
Mfr. Part No.34108
TWD4.80
Each (In a Pack of 100)
units
SOLISTRAND - Uninsulated - 4.34mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG M4 - Copper Tin
RS Stock No. 457-4016
Mfr. Part No.130171
TWD11.70
Each (In a Pack of 100)
units
PIDG - Insulated - 5.25mm 9.52mm 6.6mm² 2.6mm² 10AWG 12AWG M5 Yellow Copper Tin
RS Stock No. 136-1791
Mfr. Part No.130171
TWD9.60
Each (In a Box of 500)
units
PIDG - Insulated - 5.25mm 9.52mm 6.6mm² 2.6mm² 10AWG 12AWG M5 Yellow Copper Tin
RS Stock No. 173-3978
Mfr. Part No.34108
TWD3,970.00
1 Box of 1000
Box(es)
SOLISTRAND - Uninsulated - 4.34mm 7.14mm 1.65mm² 0.26mm² 16AWG 22AWG M4 - Copper Tin