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Home / Lighting / Driving & light bars

Series of 4mm Blue Insulated Ring TerminalsSeries of 4mm Blue Insulated Ring Terminals

Carroll

Series of 4mm Blue Insulated Ring Terminals

QKC21

Insulated crimp ring terminals with flared entry for easy wire insertion, made from oxygen-free copper for excellent conductivity. High-strength brazed and insulated, they resist temperatures up to 105°C. Designed for 4mm wire and 4–10mm studs, they provide secure, solderless connections…

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Suitable for use in automotive, marine, and industrial electrical systems.

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Insulated crimp ring terminals with flared entry for easy wire insertion, made from oxygen-free copper for excellent conductivity. High-strength brazed and insulated, they resist temperatures up to 105°C.

Designed for 4mm wire and 4–10mm studs, they provide secure, solderless connections for wiring to bolts or studs.

  • Flared entry for easy wire insertion
  • Insulated for protection
  • High-strength brazed construction
  • High temperature resistance

MaterialOxygen-free copper

Temperature ratingUp to 105°C

Wire size4mm

Stud diameter4–10mm

Varies by specific terminal size; designed for 4mm wire and 4–10mm studs.

Everything this install needs

0 of 0 in the box


Crimp terminals securely onto stranded wire with proper tools. Attach ring end to appropriate stud or bolt. Ensure correct wire and stud size compatibility.

Suitable for use in automotive, marine, and industrial electrical systems.

Q: What wire sizes do these terminals fit?
A: Designed for 4mm wire size.

Q: What stud diameters are compatible?
A: Fits studs/bolts from 4mm to 10mm diameter.

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