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 Colour Contact Plating Overall Length Contact Material
RS Stock No. 208-2666
BrandRS PRO
SGD0.027
Each (In a Pack of 100)
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- Uninsulated - 7.2mm 1.5mm² 2.5mm² 16AWG 14AWG Unshrouded M4 - Tin 20.5mm Copper
RS Stock No. 239-4206
BrandRS PRO
SGD0.154
Each (In a Pack of 100)
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- Insulated Nylon 8mm 0.2mm² 0.5mm² 26AWG 22AWG - M5 Yellow Tin - Copper
RS Stock No. 613-9592
BrandRS PRO
SGD0.407
Each (In a Pack of 100)
units
- Insulated Vinyl 15mm 4mm² 6mm² 12AWG 10AWG - M10 Yellow Tin 31.5mm Copper
RS Stock No. 613-9536
BrandRS PRO
SGD0.165
Each (In a Pack of 100)
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- Insulated Vinyl 7.2mm 4mm² 6mm² 12AWG 10AWG - M3.5 Yellow Tin 24.4mm Copper
RS Stock No. 613-9586
BrandRS PRO
SGD0.164
Each (In a Pack of 100)
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- Insulated Vinyl 9mm 4mm² 6mm² 12AWG 10AWG - M5 Yellow Tin 25.5mm Copper
RS Stock No. 239-4199
BrandRS PRO
SGD0.195
Each (In a Pack of 100)
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- Insulated Nylon 6.5mm 0.2mm² 0.5mm² 26AWG 22AWG - M4 Yellow Tin - Copper
RS Stock No. 613-9441
BrandRS PRO
SGD0.131
Each (In a Pack of 100)
units
- Insulated Vinyl 5.7mm 0.5mm² 1.5mm² 22AWG 16AWG - M3.5 Red Tin 22mm Copper
RS Stock No. 613-9390
BrandRS PRO
SGD0.382
Each (In a Pack of 100)
units
- Insulated Vinyl 19.2mm 4mm² 6mm² 12AWG 10AWG - M12 Yellow Tin 35.9mm Copper
RS Stock No. 267-3688
BrandRS PRO
SGD0.112
Each (In a Pack of 100)
units
SNYDL Insulated Nylon 8.1mm 0.5mm² 1.5mm² 22AWG 16AWG - M4.5 (#8) Red Tin 22mm Copper
RS Stock No. 178-8362
BrandRS PRO
SGD0.208
Each (In a Bag of 100)
units
- Uninsulated - 8.3mm 4mm² 6mm² 12AWG 10AWG - 4.3mm - - 18.2mm Copper
RS Stock No. 178-8710
BrandRS PRO
SGD0.073
Each (In a Bag of 100)
units
- Insulated Vinyl 6.4mm 0.5mm² 1.5mm² 22AWG 16AWG - 3.7mm Red - 21mm Copper
RS Stock No. 178-8707
BrandRS PRO
SGD0.126
Each (In a Bag of 100)
units
- Insulated Nylon 7.9mm 1.5mm² 2.5mm² 16AWG 14AWG - 5.3mm Blue - 22mm Copper
RS Stock No. 178-8713
BrandRS PRO
SGD0.076
Each (In a Bag of 100)
units
- Insulated Vinyl 7.2mm 0.5mm² 1.5mm² 22AWG 16AWG - 4.3mm Red - 21mm Copper
RS Stock No. 178-8711
BrandRS PRO
SGD0.072
Each (In a Bag of 100)
units
- Insulated Vinyl 6.4mm 0.5mm² 1.5mm² 22AWG 16AWG - 4.3mm Red - 21mm Copper
RS Stock No. 613-9463
BrandRS PRO
SGD0.142
Each (In a Pack of 100)
units
- Insulated Vinyl 9.5mm 0.5mm² 1.5mm² 22AWG 16AWG - M6 Red Tin 22mm Copper
RS Stock No. 239-4183
BrandRS PRO
SGD0.161
Each (In a Pack of 100)
units
- Insulated Nylon 6mm 0.2mm² 0.5mm² 26AWG 22AWG - M3.5 Yellow Tin - Copper
RS Stock No. 178-8727
BrandRS PRO
SGD0.085
Each (In a Bag of 100)
units
- Insulated Vinyl 5.7mm 1.5mm² 2.5mm² 16AWG 14AWG - 3.7mm Blue - 22.5mm Copper
RS Stock No. 267-3802
BrandRS PRO
SGD0.272
Each (In a Pack of 100)
units
SNYDL Insulated Nylon 6.4mm 1.5mm² 2.5mm² 16AWG 14AWG - M6 (1/4) Blue Tin 28mm Copper
RS Stock No. 178-8708
BrandRS PRO
SGD0.072
Each (In a Bag of 100)
units
- Insulated Vinyl 5.7mm 0.5mm² 1.5mm² 22AWG 16AWG - 3.2mm Red - 21mm Copper
RS Stock No. 178-8692
BrandRS PRO
SGD0.061
Each (In a Bag of 100)
units
- Uninsulated - 5.7mm 1.5mm² 2.5mm² 16AWG 14AWG - 3.2mm - Tin 16mm Copper