Fork Terminals

A crimp spade terminal, also known as a fork or split ring is a short metal tube with flat fork 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 fork with a central hole which connects to a stud or bolt. Ring terminals are insulated or non-insulated.


What do fork terminals do?


An electrical crimp is a solderless electrical connection. Fork terminals are used to connect wiring to screws and studs.


What can you use fork terminals for?



  • 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 fork 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 fork 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 Insulation Insulation Material Width Minimum Wire Size mm² Maximum Wire Size mm² Minimum Wire Size AWG Maximum Wire Size AWG Shrouded/Unshrouded Stud Size Hooked Colour Contact Plating Overall Length
RS Stock No. 267-3694
BrandRS PRO
£0.10
Each (In a Pack of 100)
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SNYDL Insulated Nylon 7.2mm 0.5mm² 1.5mm² 22AWG 16AWG - M4 (#8) - Red Tin 22mm
RS Stock No. 534-244
BrandRS PRO
£0.077
Each (In a Pack of 100)
Units
- Insulated Vinyl 11mm 0.5mm² 1.5mm² 22AWG 16AWG - M6 - Red Tin 26mm
RS Stock No. 613-9491
BrandRS PRO
£0.072
Each (In a Pack of 100)
Units
- Insulated Vinyl 8.1mm 0.5mm² 1.5mm² 22AWG 16AWG - M5 - Red Tin 22mm
RS Stock No. 267-3717
BrandRS PRO
£0.10
Each (In a Pack of 100)
Units
SNYD Insulated Nylon 5.7mm 0.5mm² 1.5mm² 22AWG 16AWG - M3 (#4) - Red Tin 22mm
RS Stock No. 613-9514
BrandRS PRO
£0.052
Each (In a Pack of 100)
Units
- Insulated Vinyl 7.9mm 1.5mm² 2.5mm² 16AWG 14AWG - M5 - Blue Tin 22mm
RS Stock No. 433-062
BrandRS PRO
£0.046
Each (In a Pack of 100)
Units
- Uninsulated - 6.4mm 0.5mm² 1.5mm² 22AWG 16AWG Unshrouded M3.5 - - Tin 19.7mm
RS Stock No. 433-062A
BrandRS PRO
£0.016
Each (In a Pack of 1000)
Units
- Uninsulated - 6.4mm 0.5mm² 1.5mm² 22AWG 16AWG Unshrouded M3.5 - - Tin 19.7mm
RS Stock No. 534-604
BrandRS PRO
£0.087
Each (In a Pack of 100)
Units
- Insulated Vinyl 11mm 1.5mm² 2.5mm² 16AWG 14AWG - M6 - Blue Tin 27mm
RS Stock No. 534-604A
BrandRS PRO
£0.045
Each (In a Pack of 1000)
Units
- Insulated Vinyl 11mm 1.5mm² 2.5mm² 16AWG 14AWG - M6 - Blue Tin 27mm
RS Stock No. 239-4177
BrandRS PRO
£0.089
Each (In a Pack of 100)
Units
- Insulated Nylon 5mm 0.2mm² 0.5mm² 26AWG 22AWG - M3 - Yellow Tin -
RS Stock No. 534-480
BrandRS PRO
£0.114
Each (In a Pack of 100)
Units
- Insulated Vinyl 9.5mm 2.5mm² 6mm² 12AWG 10AWG - M5 - Yellow Tin 26mm
RS Stock No. 267-3818
BrandRS PRO
£0.047
Each (In a Pack of 100)
Units
SNYDL Insulated Nylon 9.3mm 1.5mm² 2.5mm² 16AWG 14AWG - M5 (#10) - Blue Tin 22mm
RS Stock No. 613-9570
BrandRS PRO
£0.126
Each (In a Pack of 100)
Units
- Insulated Vinyl 9mm 4mm² 6mm² 12AWG 10AWG - M6 - Yellow Tin 25.5mm
RS Stock No. 613-9520
BrandRS PRO
£0.074
Each (In a Pack of 100)
Units
- Insulated Vinyl 6mm 1.5mm² 2.5mm² 16AWG 14AWG - M3 - Blue Tin 20mm
RS Stock No. 534-503
BrandRS PRO
£0.106
Each (In a Pack of 100)
Units
- Insulated Vinyl 6.4mm 2.5mm² 6mm² 12AWG 10AWG - M3.5 - Yellow Tin 25.5mm
RS Stock No. 613-9586
BrandRS PRO
£0.109
Each (In a Pack of 100)
Units
- Insulated Vinyl 9mm 4mm² 6mm² 12AWG 10AWG - M5 - Yellow Tin 25.5mm
RS Stock No. 267-3969
BrandRS PRO
£0.191
Each (In a Pack of 100)
Units
SNYDL Insulated Nylon 8.3mm 4mm² 6mm² 12AWG 10AWG - M4 (#8) - Yellow Tin 25.5mm
RS Stock No. 267-3931
BrandRS PRO
£0.18
Each (In a Pack of 100)
Units
SNYDL Insulated Nylon 12mm 4mm² 6mm² 12AWG 10AWG - M6 (1/4) - Yellow Tin 31.5mm
RS Stock No. 267-3795
BrandRS PRO
£0.113
Each (In a Pack of 100)
Units
SNYD Insulated Nylon 8.3mm 4mm² 6mm² 12AWG 10AWG - M3 (#6) - Blue Tin 25.5mm
RS Stock No. 267-3975
BrandRS PRO
£0.191
Each (In a Pack of 100)
Units
SNYD Insulated Nylon 8.3mm 4mm² 6mm² 12AWG 10AWG - M3.5 (#6) - Yellow Tin 25.5mm