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. 161-0197
Mfr. Part No.SCOTCHLOK 314
Brand3M
$2.202
Each (In a Pack of 50)
units
- - - - - 3.8mm - - - Blue - Scotchlok - Brass
RS Stock No. 239-3988
Mfr. Part No.UY2
Brand3M
$44.02
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - Yellow PP UY2 - -
RS Stock No. 161-5616
Mfr. Part No.62306-2
$1,538.38
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
$0.089
Each (In a Pack of 100)
units
Pigtail 0.8mm² - 2.54mm² 8mm - 18.5AWG Uninsulated 13.5AWG - - AMPLIVAR - Brass
RS Stock No. 534-288
BrandRS PRO
$0.253
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.5mm 4mm 22AWG Insulated 16AWG Red PVC - Shrouded Copper
RS Stock No. 534-648
BrandRS PRO
$0.272
Each (In a Pack of 100)
units
Butt 1.5mm² 16 → 14 AWG 2.5mm² 24.5mm 4.8mm 16AWG Insulated 14AWG Blue PVC - Shrouded Copper
RS Stock No. 467-7014
Mfr. Part No.UB2A
Brand3M
$39.10
1 Box of 100
Box(es)
Tap - 26 → 19 AWG - 16.1mm 9.9mm - Insulated - Blue/Clear PP UB2 Series Shrouded Brass Alloy
RS Stock No. 765-1002
Mfr. Part No.280005-1
$0.046
Each (On a Reel of 30000)
units
Strap Butt - 22 → 15 AWG - 5.72mm - - Uninsulated - - - - Unshrouded Brass
RS Stock No. 533-673
Mfr. Part No.DS-18-22-RS
$0.669
Each (In a Pack of 50)
units
Butt - 22 → 18 AWG - 36mm 3.7mm - Insulated - Red - DuraSeal - Copper
RS Stock No. 718-7561
Mfr. Part No.280005-1
$0.098
Each (In a Pack of 10)
units
Open Barrel - 22 → 15 AWG - 8.13mm - - Uninsulated - - - - - Brass
RS Stock No. 809-2385
BrandRS PRO
$0.488
Each (In a Pack of 50)
units
Butt - 8 AWG 8mm² 21mm 7mm - Uninsulated 8AWG - - - Unshrouded Copper
RS Stock No. 433-078
BrandRS PRO
$0.129
Each (In a Pack of 100)
units
Butt 0.5mm² 0.5 → 1.5 mm² 1.5mm² 15mm 1.8mm - Uninsulated - - - - Unshrouded Copper
RS Stock No. 239-4234
BrandRS PRO
$0.25
Each (In a Pack of 100)
units
Butt 0.2mm² 26 → 22 AWG 0.5mm² 20mm 2mm 26AWG Insulated 22AWG Yellow Nylon - Shrouded Copper
RS Stock No. 101-7582
Mfr. Part No.560B
Brand3M
$4.21
1 Box of 10
Box(es)
Tap - 18 → 16 AWG - 20.32mm 13.46mm - Insulated - Blue PP - Shrouded Brass
RS Stock No. 173-4000
Mfr. Part No.D-406-0001 (967398-000)
$0.479
Each (In a Pack of 1000)
units
Butt - 22 → 18 AWG - 31.75mm - - Insulated - Red Nylon DuraSeal - Copper
RS Stock No. 444-5659
Mfr. Part No.D-436-36
$2.946
Each (In a Pack of 25)
units
Butt - 0.15 → 0.75 mm² - 12.95mm 2.03mm - Insulated - Red - MiniSeal - -
RS Stock No. 782-0753
Mfr. Part No.D-406-0001 (967398-000)
$1.277
Each (In a Pack of 50)
units
Butt - 22 → 18 AWG - 31.75mm - - Insulated - Red Nylon DuraSeal - Copper
RS Stock No. 164-3219
Mfr. Part No.320238
$5.222
Each (In a Box of 100)
units
Butt - 4 AWG - 28.96mm 11.76mm - Uninsulated - - - Solistrand Unshrouded Copper
RS Stock No. 795-1762
Mfr. Part No.320238
$6.52
Each
units
Butt - 4 AWG - 28.96mm 11.76mm - Uninsulated - - - Solistrand Unshrouded Copper
RS Stock No. 267-3997
BrandRS PRO
$0.336
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 31mm 4mm 22AWG Insulated 16AWG Red Nylon - Shrouded Copper
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