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. 226-3073
Mfr. Part No.23.0440-22 23.0440-21
BrandStaubli
MYR95.75
1 Pair
Pair(s)
- Insulated - 8mm - - - - - 4mm Red/Black Gold 43.2mm Brass
RS Stock No. 267-3694
BrandRS PRO
MYR0.701
Each (In a Pack of 100)
units
SNYDL Insulated Nylon 7.2mm 0.5mm² 1.5mm² 22AWG 16AWG - M4 (#8) Red Tin 22mm Copper
RS Stock No. 267-3717
BrandRS PRO
MYR0.501
Each (In a Pack of 100)
units
SNYD Insulated Nylon 5.7mm 0.5mm² 1.5mm² 22AWG 16AWG - M3 (#4) Red Tin 22mm Copper
RS Stock No. 602-7556
Mfr. Part No.2-YS4A
BrandJST
MYR15.07
1 Bag of 100
Bag(s)
- Uninsulated - 6.4mm 1mm² 2.6mm² 16AWG 14AWG - 4mm - - 15.4mm -
RS Stock No. 190-3795
Mfr. Part No.327043
MYR8,641.31
1 Pack of 10000
Pack(s)
PLASTI-GRIP Insulated Vinyl 6.35mm 0.26mm² 1.65mm² 22AWG 16AWG - M3.5 Red Tin 21.79mm Copper
RS Stock No. 161-6144
Mfr. Part No.32588
MYR1.37
Each (In a Box of 500)
units
PIDG Insulated Nylon 10.31mm 2.6mm² 6.6mm² 12AWG 10AWG - M4 Yellow Tin 27.81mm Copper
RS Stock No. 669-2043
Mfr. Part No.327043
MYR0.921
Each (In a Pack of 100)
units
PLASTI-GRIP Insulated Vinyl 6.35mm 0.26mm² 1.65mm² 22AWG 16AWG - M3.5 Red Tin 21.79mm Copper
RS Stock No. 164-8095
Mfr. Part No.165015
MYR1.204
Each (In a Box of 500)
units
PLASTI-GRIP Insulated PVC 8mm 2.6mm² 6.4mm² 12AWG 10AWG - M4 Yellow Tin 31.45mm Copper
RS Stock No. 613-9390
BrandRS PRO
MYR1.339
Each (In a Pack of 100)
units
- Insulated Vinyl 19.2mm 4mm² 6mm² 12AWG 10AWG - M12 Yellow Tin 35.9mm Copper
RS Stock No. 602-8442
Mfr. Part No.V2-YS4A
BrandJST
MYR68.94
1 Bag of 100
Bag(s)
- - Vinyl 6.4mm 1mm² 2.6mm² 16AWG 14AWG - 4mm Blue - 19.6mm -
RS Stock No. 457-5069
Mfr. Part No.32588
MYR1.785
Each (In a Pack of 100)
units
PIDG Insulated Nylon 10.31mm 2.6mm² 6.6mm² 12AWG 10AWG - M4 Yellow Tin 27.81mm Copper
RS Stock No. 239-4177
BrandRS PRO
MYR0.687
Each (In a Pack of 100)
units
- Insulated Nylon 5mm 0.2mm² 0.5mm² 26AWG 22AWG - M3 Yellow Tin - Copper
RS Stock No. 190-3763
Mfr. Part No.165004
MYR483.18
1 Pack of 1000
Pack(s)
PLASTI-GRIP - - 5.5mm 0.25mm² 1.6mm² 22AWG 16AWG - 3mm - Tin 19.9mm Copper
RS Stock No. 278-9159
Mfr. Part No.165004
MYR0.60
Each (In a Pack of 100)
units
PLASTI-GRIP - - 5.5mm 0.25mm² 1.6mm² 22AWG 16AWG - 3mm - Tin 19.9mm Copper
RS Stock No. 756-0754
Mfr. Part No.165015
MYR1.762
Each (In a Pack of 5)
units
PLASTI-GRIP Insulated PVC 8mm 2.6mm² 6.4mm² 12AWG 10AWG - M4 Yellow Tin 31.45mm Copper
RS Stock No. 602-7499
Mfr. Part No.1.25-5A
BrandJST
MYR35.28
1 Bag of 100
Bag(s)
- Uninsulated - 9.5mm 0.2mm² 1.65mm² 22AWG 16AWG - 5mm - - 15.8mm -
RS Stock No. 602-7540
Mfr. Part No.2-YS3A
BrandJST
MYR26.44
1 Bag of 100
Bag(s)
- Uninsulated - 6.4mm 1mm² 2.6mm² 16AWG 14AWG - 3.5mm - - 15.4mm -
RS Stock No. 166-7574
Mfr. Part No.FVWS5.5-S4A(LF)
BrandJST
MYR0.622
Each (In a Box of 500)
units
A Insulated Vinyl 8.5mm 2.6mm² 6.6mm² 12AWG 10AWG Shrouded 4mm Yellow - 26.2mm -
RS Stock No. 267-3931
BrandRS PRO
MYR1.307
Each (In a Pack of 100)
units
SNYDL Insulated Nylon 12mm 4mm² 6mm² 12AWG 10AWG - M6 (1/4) Yellow Tin 31.5mm Copper
RS Stock No. 838-8171
Mfr. Part No.FVWS5.5-S4A(LF)
BrandJST
MYR0.734
Each (In a Pack of 100)
units
A Insulated Vinyl 8.5mm 2.6mm² 6.6mm² 12AWG 10AWG Shrouded 4mm Yellow - 26.2mm -