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 Shrouded/Unshrouded Stud Size Colour Contact Material
RS Stock No. 531-043
BrandRS PRO
$0.843
Each (In a Pack of 10)
units
- - Uninsulated - 6.4mm - 16mm² - - - - M6 - Copper
RS Stock No. 119-160
BrandRS PRO
$0.369
Each (In a Pack of 25)
units
- - Uninsulated - 6.4mm - 6mm² - - - - M6 - Copper
RS Stock No. 149-253
BrandRS PRO
$35.02
1 Reel of 500
Reel(s)
3130 - Insulated Vinyl 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG - M6 (1/4) Yellow Copper
RS Stock No. 534-430
BrandRS PRO
$0.41
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 11mm 6mm² 2.5mm² 10AWG 12AWG - M6 Yellow Copper
RS Stock No. 534-193
BrandRS PRO
$0.214
Each (In a Pack of 100)
units
- - Insulated PVC 6.35mm 11mm 1.5mm² 0.5mm² 16AWG 22AWG - M6 Red Copper
RS Stock No. 208-2593
BrandRS PRO
$0.114
Each (In a Pack of 100)
units
- - Uninsulated - 6.4mm 11.6mm 2.5mm² 1.5mm² 14AWG 16AWG - M6 - Copper
RS Stock No. 531-037
BrandRS PRO
$0.535
Each (In a Pack of 25)
units
- - Uninsulated - 8.4mm - 10mm² - - - - M8 - Copper
RS Stock No. 841-7598
BrandRS PRO
$0.185
Each (In a Pack of 100)
units
- - Uninsulated - 6.5mm 11mm 6mm² 6mm² - - - 6mm - Copper
RS Stock No. 534-238
BrandRS PRO
$0.117
Each (In a Pack of 100)
units
- - Insulated PVC 3.2mm 5.5mm 1.5mm² 0.5mm² 16AWG 22AWG - M3 Red Copper
RS Stock No. 534-424
BrandRS PRO
$0.368
Each (In a Pack of 100)
units
- - Insulated PVC 8.4mm 14mm 6mm² 2.5mm² 10AWG 12AWG - M8 Yellow Copper
RS Stock No. 241-4631
BrandRS PRO
$1.601
Each (In a Pack of 10)
units
- - Uninsulated - 8mm - 35mm² - - - - M8 - Copper
RS Stock No. 149-338
BrandRS PRO
$43.78
1 Reel of 500
Reel(s)
3130 - Insulated Vinyl 8.4mm 15mm 6mm² 4mm² 10AWG 12AWG - M8 (5/16) Yellow Copper
RS Stock No. 613-9508
BrandRS PRO
$0.074
Each (In a Pack of 100)
units
- - Insulated Vinyl 4.3mm 8.5mm 2.5mm² 1.5mm² 14AWG 16AWG - M4 Blue Copper
RS Stock No. 534-597
BrandRS PRO
$0.112
Each (In a Pack of 100)
units
- - Insulated PVC 3.7mm 6.6mm 2.5mm² 1.5mm² 14AWG 16AWG - M3.5 Blue Copper
RS Stock No. 267-6441
BrandRS PRO
$0.697
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG - M6 (1/4) Yellow Copper
RS Stock No. 613-9413
BrandRS PRO
$0.375
Each (In a Pack of 100)
units
- - Insulated Vinyl 6.4mm 12mm 6mm² 4mm² 10AWG 12AWG - M6 Yellow Copper
RS Stock No. 267-3745
BrandRS PRO
$0.286
Each (In a Pack of 100)
units
- - Insulated Nylon 5.3mm 9.5mm 2.5mm² 1.5mm² 14AWG 16AWG - M5 (#10) Blue Copper
RS Stock No. 267-3739
BrandRS PRO
$0.37
Each (In a Pack of 100)
units
- - Insulated Nylon 6.4mm 12mm 2.5mm² 1.5mm² 14AWG 16AWG - M6 (1/4) Blue Copper
RS Stock No. 208-2492
BrandRS PRO
$0.245
Each (In a Pack of 100)
units
- - Insulated PVC 8.4mm 12.6mm 1.5mm² 0.5mm² 16AWG 22AWG - M8 Red Copper
RS Stock No. 534-222
BrandRS PRO
$0.107
Each (In a Pack of 100)
units
- - Insulated PVC 3.7mm 6.6mm 1.5mm² 0.5mm² 16AWG 22AWG - M3.5 Red Copper
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