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 Stud Size Colour Contact Material Contact Plating
RS Stock No. 822-1227
Mfr. Part No.19073-0027
BrandMolex
PHP14.974
Each (In a Pack of 100)
units
800 19073 Insulated Nylon 8.33mm 11.9mm 0.8mm² 0.35mm² 18AWG 22AWG M8 (5/16) Red Copper Tin
RS Stock No. 161-9387
Mfr. Part No.19323-0015
BrandMolex
PHP9.032
Each (In a Bag of 500)
units
VersaKrimp - Uninsulated - 8.51mm 13.46mm 6mm² 2.5mm² - - M8 (5/16) - Copper Alloy Tin
RS Stock No. 167-6420
Mfr. Part No.19323-0004
BrandMolex
PHP8,796.00
1 Bag of 1000
Bag(s)
VersaKrimp - Uninsulated - 4.39mm 7.92mm 1mm² 0.5mm² - - M4 (#8) - Copper Alloy Tin
RS Stock No. 790-6992
Mfr. Part No.19323-0015
BrandMolex
PHP20.368
Each (In a Pack of 50)
units
VersaKrimp - Uninsulated - 8.51mm 13.46mm 6mm² 2.5mm² - - M8 (5/16) - Copper Alloy Tin
RS Stock No. 822-1476
Mfr. Part No.19221-0238
BrandMolex
PHP94.71
Each
units
19221 0238 Uninsulated - 10.16mm 16.66mm 50mm² 50mm² 1AWG 1AWG M9 (3/8) - Copper Tin
RS Stock No. 790-6952
Mfr. Part No.19323-0004
BrandMolex
PHP6.522
Each (In a Pack of 50)
units
VersaKrimp - Uninsulated - 4.39mm 7.92mm 1mm² 0.5mm² - - M4 (#8) - Copper Alloy Tin
RS Stock No. 822-1472
Mfr. Part No.19221-0235
BrandMolex
PHP67.65
Each
units
19221 0235 Uninsulated - 10.16mm 15.88mm 35mm² 35mm² 2AWG 2AWG M9 (3/8) - Copper Tin
RS Stock No. 822-1488
Mfr. Part No.19221-0243
BrandMolex
PHP127.01
Each
units
19221 0243 Uninsulated - 8.64mm 20.93mm - - 2/0AWG 2/0AWG M8 (5/16) - Copper Tin
RS Stock No. 822-1429
Mfr. Part No.19193-0245
BrandMolex
PHP22.039
Each (In a Pack of 50)
units
19193 0245 Uninsulated - 5.03mm 12.32mm 16mm² 16mm² 6AWG 6AWG M5 (#10) - Copper Tin
RS Stock No. 161-9378
Mfr. Part No.19324-0003
BrandMolex
PHP5,375.00
1 Bag of 1000
Bag(s)
Avikrimp - Insulated Polyamide 3.79mm 6.45mm 1mm² 0.5mm² - - M3 to M3.5 (#5 to #6) - Copper Alloy Tin
RS Stock No. 822-1218
Mfr. Part No.19073-0017
BrandMolex
PHP12.103
Each (In a Pack of 100)
units
800 19073 Insulated Nylon 5.03mm 7.9mm 0.8mm² 0.35mm² 18AWG 22AWG M5 (#10) Red Copper Tin
RS Stock No. 822-1151
Mfr. Part No.19054-0119
BrandMolex
PHP7.046
Each (In a Pack of 100)
units
200 19054 Insulated PVC 5.03mm 8.69mm 2.5mm² 1mm² 14AWG 16AWG 5.03mm Blue Copper Tin
RS Stock No. 822-1340
Mfr. Part No.19164-0003
BrandMolex
PHP29.224
Each (In a Pack of 50)
units
19164 0003 Insulated NiAc 5.03mm 8.1mm 0.96mm² 0.38mm² 18AWG 22AWG M5 (#10) Red Copper Alloy Tin
RS Stock No. 790-6905
Mfr. Part No.19324-0003
BrandMolex
PHP11.315
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 3.79mm 6.45mm 1mm² 0.5mm² - - M3 to M3.5 (#5 to #6) - Copper Alloy Tin
RS Stock No. 790-6996
Mfr. Part No.19323-0016
BrandMolex
PHP12.388
Each (In a Pack of 50)
units
VersaKrimp - Uninsulated - 10.63mm 14.94mm 6mm² 2.5mm² - - M10 - Copper Alloy Tin
RS Stock No. 822-1185
Mfr. Part No.19069-0114
BrandMolex
PHP6.439
Each (In a Pack of 100)
units
19069 0114 Uninsulated - 4.39mm 8.18mm 2.5mm² 1mm² 14AWG 16AWG M4 (#8) - Copper Tin
RS Stock No. 822-1189
Mfr. Part No.19069-0123
BrandMolex
PHP6.174
Each (In a Pack of 100)
units
19069 0123 Uninsulated - 5.03mm 8.94mm 2.5mm² 1mm² 14AWG 16AWG M5 (#10) - Copper Tin
RS Stock No. 790-6902
Mfr. Part No.19324-0005
BrandMolex
PHP18.587
Each (In a Pack of 50)
units
Avikrimp - Insulated Polyamide 5.39mm 11.86mm 1mm² 0.5mm² - - M5 (#10) - Copper Alloy Tin
RS Stock No. 167-6415
Mfr. Part No.19324-0001
BrandMolex
PHP10,691.00
1 Bag of 1000
Bag(s)
Avikrimp - Insulated Polyamide 2.77mm 6.45mm 1mm² 0.5mm² - - M2.6 (#4) - Copper Alloy Tin
RS Stock No. 822-1211
Mfr. Part No.19073-0007
BrandMolex
PHP8.369
Each (In a Pack of 4000)
units
800 19073 Insulated Nylon 3.02mm 5.7mm 0.8mm² 0.35mm² 18AWG 22AWG M2.6 (#4) Red Copper Tin