Crimp Butt Splice Terminals

Crimp butt splice terminals are tube-shaped connectors with two crimps for joining wires in-line. They typically consist of a metal tube that's usually encased in an insulated covering. Crimp butt splice terminals can be used to either change, lengthen or repair conductors in an electrical circuit.

How do crimp butt splice terminals work?

Crimp butt splice terminals are attached by inserting the stripped ends of two stranded wires into both ends of the terminal. A crimping tool is them used to crimp both ends to ensure a tight connection between the wires.

Types and applications of crimp butt splice terminals

Crimp butt splice terminals are used for electrical connections in numerous industries, including in automotive, commercial, industrial and marine applications. They come in various sizes to suit different wire sizes and can be categorised into two main groups: insulated and non-insulated. Insulated crimp butt splice terminals are usually colour-coded to indicate the size of the wire with which they're compatible.


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Description Price Splice Type Minimum Wire Size mm² Wire Size Maximum Wire Size mm² Overall Length Diameter Minimum Wire Size AWG Insulation Maximum Wire Size AWG Colour Insulation Material Series Shrouded/Unshrouded Contact Material
RS Stock No. 533-673
Mfr. Part No.DS-18-22-RS
£0.321
Each (In a Pack of 50)
Units
Butt - 22 → 18 AWG - 36mm 3.7mm - Insulated - Red - DuraSeal - Copper
RS Stock No. 533-667
Mfr. Part No.DS-14-16-RS
£0.31
Each (In a Pack of 50)
Units
Butt - 16 → 14 AWG - 36mm 4.6mm - Insulated - Blue - DuraSeal Shrouded Copper
RS Stock No. 444-5659
Mfr. Part No.D-436-36
£1.20
Each (In a Pack of 25)
Units
Butt - 0.15 → 0.75 mm² - 12.95mm 2.03mm - Insulated - Red - MiniSeal - -
RS Stock No. 842-012
Mfr. Part No.34070
£0.128
Each (In a Pack of 100)
Units
Butt - 22 → 16 AWG - 27.33mm 3.56mm - Insulated - Red - PLASTI-GRIP - Copper
RS Stock No. 170-9398
Mfr. Part No.34070
£109.00
1 Box of 1000
Box(es)
Butt - 22 → 16 AWG - 27.33mm 3.56mm - Insulated - Red - PLASTI-GRIP - Copper
RS Stock No. 528-9264
Mfr. Part No.320559
£0.386
Each (In a Pack of 100)
Units
Butt - 22 → 16 AWG - 32.13mm 3.18mm - Insulated - Red Nylon PIDG Shrouded Copper
RS Stock No. 170-9442
Mfr. Part No.320559
£0.405
Each (In a Bag of 50)
Units
Butt - 22 → 16 AWG - 32.13mm 3.18mm - Insulated - Red Nylon PIDG Shrouded Copper
RS Stock No. 782-0753
Mfr. Part No.D-406-0001 (967398-000)
£0.605
Each (In a Pack of 50)
Units
Butt - 22 → 18 AWG - 31.75mm - - Insulated - Red Nylon DuraSeal - Copper
RS Stock No. 173-4000
Mfr. Part No.D-406-0001 (967398-000)
£435.83
1 Pack of 1000
Pack(s)
Butt - 22 → 18 AWG - 31.75mm - - Insulated - Red Nylon DuraSeal - Copper
RS Stock No. 373-285
Mfr. Part No.34138
£0.077
Each (In a Pack of 100)
Units
Parallel - 12 → 10 AWG - 8.71mm 5.74mm - Uninsulated - - - - - Copper
RS Stock No. 136-1901
Mfr. Part No.650075-000
£1.577
Each (In a Bag of 100)
Units
Butt - 20 → 16 AWG - - - - Insulated - Blue PVDF MiniSeal - Copper Alloy
RS Stock No. 680-3082
Mfr. Part No.650075-000
£2.142
Each (In a Pack of 10)
Units
Butt - 20 → 16 AWG - - - - Insulated - Blue PVDF MiniSeal - Copper Alloy
RS Stock No. 136-1621
Mfr. Part No.34138
£0.057
Each (In a Box of 500)
Units
Parallel - 12 → 10 AWG - 8.71mm 5.74mm - Uninsulated - - - - - Copper
RS Stock No. 533-651
Mfr. Part No.DS-10-12-RS
£0.611
Each (In a Pack of 50)
Units
Butt - 12 → 10 AWG - 43mm 6.5mm - Insulated - Yellow - DuraSeal - Copper
RS Stock No. 444-5687
Mfr. Part No.D-436-38
£2.059
Each (In a Pack of 25)
Units
Butt - 12 → 16 AWG - 14.35mm 3.89mm - Insulated - Yellow - MiniSeal - -
RS Stock No. 136-4676
Mfr. Part No.D-436-38
£2.90
Each (In a Pack of 10)
Units
- 1.19mm² 16 → 12 AWG 3.37mm² 27.94mm 4.32mm 16AWG Insulated 12AWG - PVDF D-436 - Copper Alloy
RS Stock No. 136-2104
Mfr. Part No.D-436-38
£65.92
1 Box of 25
Box(es)
- 1.19mm² 16 → 12 AWG 3.37mm² 27.94mm 4.32mm 16AWG Insulated 12AWG - PVDF D-436 - Copper Alloy
RS Stock No. 161-5616
Mfr. Part No.62306-2
£894.85
1 Reel of 30000
Reel(s)
Pigtail 0.8mm² - 2.54mm² 8mm - 18.5AWG Uninsulated 13.5AWG - - AMPLIVAR - Brass
RS Stock No. 680-1991
Mfr. Part No.62306-2
£0.05
Each (In a Pack of 100)
Units
Pigtail 0.8mm² - 2.54mm² 8mm - 18.5AWG Uninsulated 13.5AWG - - AMPLIVAR - Brass
RS Stock No. 842-107
Mfr. Part No.34071
£0.152
Each (In a Pack of 100)
Units
Butt - 16 → 14 AWG - 27.05mm 4.32mm - Insulated - Blue - PLASTI-GRIP - Copper