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 Minimum Wire Size mm² Outer Ring Diameter Maximum Wire Size mm² Maximum Wire Size AWG Minimum Wire Size AWG Stud Size Colour Contact Material Contact Plating
RS stock no. 822-1448
Mfr. Part No.19203-0388
BrandMolex
R 1.306
Each (In a Pack of 100)
units
19203 0388 Uninsulated - 5.38mm 1mm² 9.76mm 2.5mm² 14AWG 16AWG #10 - Steel Nickel
RS stock no. 790-6908
Mfr. Part No.19324-0004
BrandMolex
R 4.626
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 4.39mm 0.5mm² 7.92mm 1mm² - - M4 (#8) - Copper Alloy Tin
RS stock no. 161-9379
Mfr. Part No.19324-0004
BrandMolex
R 3,265.51
1 Bag of 1000
Bag(s)
Avikrimp - Insulated Polyamide 4.39mm 0.5mm² 7.92mm 1mm² - - M4 (#8) - Copper Alloy Tin
RS stock no. 822-1479
Mfr. Part No.19221-0233
BrandMolex
R 19.77
Each
units
19221 0233 Uninsulated - 8.64mm 35mm² 15.88mm 35mm² 2AWG 2AWG M8 (5/16) - Copper Tin
RS stock no. 161-9378
Mfr. Part No.19324-0003
BrandMolex
R 1,736.06
1 Bag of 1000
Bag(s)
Avikrimp - Insulated Polyamide 3.79mm 0.5mm² 6.45mm 1mm² - - M3 to M3.5 (#5 to #6) - Copper Alloy Tin
RS stock no. 822-1135
Mfr. Part No.19054-0054
BrandMolex
R 1.859
Each (In a Pack of 100)
units
200 19054 Insulated PVC 4.39mm 0.25mm² 6.45mm 1.5mm² 18AWG 22AWG M4 Red Copper Tin
RS stock no. 790-6905
Mfr. Part No.19324-0003
BrandMolex
R 2.834
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 3.79mm 0.5mm² 6.45mm 1mm² - - M3 to M3.5 (#5 to #6) - Copper Alloy Tin
RS stock no. 822-1167
Mfr. Part No.19069-0035
BrandMolex
R 1.469
Each (In a Pack of 100)
units
100 19069 Uninsulated - 4.39mm 0.25mm² 8.18mm 1.5mm² 18AWG 22AWG M4 (#8) - Copper Tin
RS stock no. 161-9334
Mfr. Part No.19323-0005
BrandMolex
R 2,066.77
1 Bag of 1000
Bag(s)
VersaKrimp - Uninsulated - 5.39mm 0.5mm² 11.86mm 1mm² - - M5 (#10) - Copper Alloy Tin
RS stock no. 790-6895
Mfr. Part No.19324-0002
BrandMolex
R 4.515
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 3.29mm 0.5mm² 6.45mm 1mm² - - M3 - Copper Alloy Tin
RS stock no. 790-6933
Mfr. Part No.19324-0012
BrandMolex
R 4.199
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 4.39mm 2.5mm² 7.16mm 6mm² - - M4 (#8) - Copper Alloy Tin
RS stock no. 790-6891
Mfr. Part No.19324-0001
BrandMolex
R 2.959
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 2.77mm 0.5mm² 6.45mm 1mm² - - M2.6 (#4) - Copper Alloy Tin
RS stock no. 167-6422
Mfr. Part No.19323-0007
BrandMolex
R 2,042.10
1 Bag of 1000
Bag(s)
VersaKrimp - Uninsulated - 3.79mm 1mm² 6.35mm 2.5mm² - - M3 to M3.5 (#5 to #6) - Copper Alloy Tin
RS stock no. 822-1126
Mfr. Part No.19041-0015
BrandMolex
R 3.091
Each (In a Pack of 100)
units
19041 0015 Uninsulated - 5.03mm 4mm² 9.65mm 6mm² 10AWG 12AWG M5 (#10) - Copper Tin
RS stock no. 790-6983
Mfr. Part No.19323-0011
BrandMolex
R 4.641
Each (In a Pack of 50)
units
VersaKrimp - Uninsulated - 8.51mm 1mm² 13.56mm 2.5mm² - - M8 (5/16) - Copper Alloy Tin
RS stock no. 822-1362
Mfr. Part No.19164-0026
BrandMolex
R 8.104
Each (In a Pack of 50)
units
19164 0026 Insulated NiAc 6.73mm 1.2mm² 12.07mm 1.9mm² 14AWG 16AWG M6 (1/4) Blue Copper Alloy Tin
RS stock no. 790-6955
Mfr. Part No.19323-0002
BrandMolex
R 4.365
Each (In a Pack of 50)
units
VersaKrimp - Uninsulated - 3.29mm 0.5mm² 6.45mm 1mm² - - M3 (#5) - Copper Alloy Tin
RS stock no. 822-1378
Mfr. Part No.19164-0033
BrandMolex
R 7.085
Each (In a Pack of 50)
units
19164 0033 Insulated NiAc 4.39mm 1.2mm² 8.17mm 1.9mm² 14AWG 16AWG M4 (#8) Blue Copper Alloy Tin
RS stock no. 822-1485
Mfr. Part No.19221-0241
BrandMolex
R 29.63
Each
units
19221 0241 Uninsulated - 10.16mm 50mm² 18.49mm 50mm² 1/0AWG 1/0AWG M9 (3/8) - Copper Tin
RS stock no. 167-6423
Mfr. Part No.19323-0009
BrandMolex
R 2,127.37
1 Bag of 1000
Bag(s)
VersaKrimp - Uninsulated - 5.39mm 1mm² 8.69mm 2.5mm² - - M5 - Copper Alloy Tin