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Red heat-shrink insulated fork terminals, 25 pack, crimp style, #6 stud, 18 AWG

3M

3M MH18-6FLX Fork Terminal #6 Stud 18 AWG 600 V Heat Shrink Insulated 25 Pack

SKU CH-C4A3-ADHCM

Heat-shrink insulated fork terminals for 18 AWG wire, #6 stud, 600 V, 25 pack

  • TypeElectrical Connectors
  • Fits 22-18 AWG wires for versatile connections
  • Heat-shrink insulation seals out moisture and corrosion
  • Brazed seam prevents terminal splitting under stress
  • UL Listed and CSA Certified for code compliance
  • 25 terminals per pack covers multiple jobs

25-Pack Fork Terminals for 18 AWG Wiring

This pack contains twenty-five heat-shrink insulated fork terminals built for 18 AWG conductors. Each terminal accepts a #6 stud and is rated for 600 V maximum voltage. The brazed seam and copper construction suit automotive and industrial wiring tasks where a secure crimp connection is required.

221 °F Rating with Heat-Shrink Seal

The red insulation shrinks when heated to seal out moisture and resist vibration in normal service. Operating temperature reaches 221 °F before the material degrades, while the crimp barrel handles wire sizes from 22 AWG up to 18 AWG. No special tools beyond a standard crimper are needed for installation.

CSA and UL Listed for Code Compliance

Both CSA certification and UL listing confirm the terminals meet recognised North American safety standards for electrical connectors. The 0.91 in overall length fits common terminal blocks and bus bars without modification. Buyers who need ring terminals, larger stud sizes or higher ampacity ratings will need a different product.

Highlights

  • Fits 22-18 AWG wires for versatile connections
  • Heat-shrink insulation seals out moisture and corrosion
  • Brazed seam prevents terminal splitting under stress
  • UL Listed and CSA Certified for code compliance
  • 25 terminals per pack covers multiple jobs

Specifications

Brand3M
TypeElectrical Connectors

Questions about this item

How do I crimp the 3M MH18-6FLX fork terminal onto 18 AWG wire and what step is often missed?

Strip the wire, insert it fully into the brazed copper barrel, crimp with a ratchet tool sized for 18-22 AWG, then apply heat evenly until the heat-shrink insulation seals and adhesive flows; the step most often missed is heating long enough for the adhesive to bond.

What maintenance or replacement will the 3M MH18-6FLX fork terminals need over time?

Inspect each crimp periodically for corrosion, cracked heat-shrink tubing, or loose #6 stud hardware; replace any terminal showing discoloration, insulation damage, or a loose crimp — no scheduled replacement interval exists beyond visual and mechanical checks.

What is the first limit reached when the 3M MH18-6FLX fork terminal runs under sustained load?

The 600 V voltage rating and 221 °F maximum operating temperature define the simultaneous electrical and thermal ceiling; exceeding either limit first degrades the heat-shrink seal and brazed seam integrity.

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