Collection: Tinned Copper Butt Splice Connectors - Crimp or Solder

Our tinned copper butt splice connectors are engineered for dependable performance in automotive, marine, and industrial wiring applications. Made from 99.9% seamless copper tubing, these connectors offer high conductivity and corrosion resistance. Each terminal is cUL listed and RoHS compliant, with electro tin plating for durability. Designed for use with stranded copper wire, these connectors can be crimped or soldered, and support up to 600 volts. Features include cable size markings, tight barrel transitions, and flared ends for easy wire insertion.

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17 products

  • Tinned Copper Butt Splice Assortment - 8 to 4/0 Gauge - 30 Piece Kit

    This 30-piece assortment of tinned copper butt splices includes a full range of large gauge connectors, ideal for...

    Regular price $36.49 USD
    Sale price $36.49 USD Regular price
  • Mega HD Copper Splice - Plated 6 AWG Blue - 5 or 50 Pack

    Sherco Automotive & Marine Supplies Mega Heavy Duty Lugs, Splices & Bent Lugs Made from seamless tubes 99.9%...

    Regular price $8.49 USD
    Sale price $8.49 USD Regular price
  • Mega HD Copper Splice - Plated 2/0 AWG Orange - 5 or 50 Pack

    Sherco Automotive & Marine Supplies Mega Heavy Duty Lugs, Splices & Bent Lugs Made from seamless tubes 99.9%...

    Regular price $21.99 USD
    Sale price $21.99 USD Regular price
  • 1/0 AWG Mega HD Copper Splice - Tin-Plated - Black - 5 or 50 Pack - Made in USA

    1/0 AWG Mega Heavy Duty Copper Splice Connectors are built for secure, high-conductivity connections in demanding automotive and...

    Regular price $17.49 USD
    Sale price $17.49 USD Regular price
  • Standard Tinned Copper 2 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $12.49 USD
    Sale price $12.49 USD Regular price
  • Standard Tinned Copper 1 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $13.99 USD
    Sale price $13.99 USD Regular price
  • Mega HD Copper Splice - Plated 4/0 AWG Yellow - 5 or 50 Pack

    Sherco Automotive & Marine Supplies Mega Heavy Duty Lugs, Splices & Bent Lugs Made from seamless tubes 99.9%...

    Regular price $26.99 USD
    Sale price $26.99 USD Regular price
  • Mega HD Copper Splice - Plated 4 AWG Gray - 5 or 50 Pack

    Sherco Automotive & Marine Supplies Mega Heavy Duty Lugs, Splices & Bent Lugs Made from seamless tubes 99.9%...

    Regular price $7.99 USD
    Sale price $7.99 USD Regular price
  • Mega HD Copper Splice - Plated 3/0 AWG Purple - 5 or 50 Pack

    Sherco Automotive & Marine Supplies Mega Heavy Duty Lugs, Splices & Bent Lugs Made from seamless tubes 99.9%...

    Regular price $23.99 USD
    Sale price $23.99 USD Regular price
  • Mega HD Copper Splice - Plated 2-1 AWG Pink - 5 or 50 Pack

    Sherco Automotive & Marine Supplies Mega Heavy Duty Lugs, Splices & Bent Lugs Made from seamless tubes 99.9%...

    Regular price $15.49 USD
    Sale price $15.49 USD Regular price
  • Standard Tinned Copper 8 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $8.49 USD
    Sale price $8.49 USD Regular price
  • Standard Tinned Copper 6 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $8.49 USD
    Sale price $8.49 USD Regular price
  • Standard Tinned Copper 4/0 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $30.99 USD
    Sale price $30.99 USD Regular price
  • Standard Tinned Copper 4 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $9.99 USD
    Sale price $9.99 USD Regular price
  • Standard Tinned Copper 3/0 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $22.99 USD
    Sale price $22.99 USD Regular price
  • Standard Tinned Copper 2/0 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $18.99 USD
    Sale price $18.99 USD Regular price
  • Standard Tinned Copper 1/0 Gauge Butt Splice Connector - 10 or 100 Pack

    Made from seamless tubes of 99.9% copper for higher conductivity UL listed Designed for stranded copper wires Rated...

    Regular price $17.49 USD
    Sale price $17.49 USD Regular price