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Ancor 312503 Heat Shrink Ring Terminal 12-10 AWG 5/16 Inch Stud 3-Pack

Manufacturer

Ancor

<p>For over 40 years, Ancor has been the industry leader for high-quality tinned copper Marine Grade® wire and cable. Founded with a singular mission to deliver electrical products capable of withstanding the harshest marine environments, Ancor has become the gold standard for boat builders, marine electricians, and automotive enthusiasts who demand uncompromising reliability in challenging conditions.</p><h3>Engineering Excellence for Extreme Environments</h3><p>What sets Ancor apart is their commitment to exceeding industry standards. Ancor Marine Grade™ wire and cable is manufactured from tinned copper stranding for maximum protection against corrosion and electrolysis. This electroplating process coats every individual strand with tin, preventing the corrosion that can compromise standard bare copper wire. The result is electrical wire that delivers consistent performance even when exposed to saltwater, battery acid, oil, and UV radiation.</p><p>The company's <a href="/7231-ancor-primary-wire-10128">primary wire</a> offerings showcase this engineering philosophy. Ultra flexible (Type 3) stranding resists fatigue due to vibration and flexing. Exceeds all UL 1426, US Coast Guard Charter boat (CFR Title 46) and ABYC standards. Available in multiple gauges and a full spectrum of colors to match proper wiring protocols, these products are essential for anyone building or maintaining electrical systems in demanding applications.</p><h3>Complete Wire Management Solutions</h3><p>Our extensive product line encompasses everything you need for your next wiring project, including wire, cable, terminals, connectors, wire management products, and hand tools. Beyond wire itself, Ancor has developed a comprehensive ecosystem of complementary products. Their <a href="/7231-ancor-wire-tie-17375">wire ties</a> feature UV-resistant construction that won't become brittle in harsh sunlight, while their terminals utilize double-crimp designs for maximum strain relief and connection integrity.</p><p>For vehicle protection needs, Ancor even offers <a href="/7231-ancor-car-cover-1020">car covers</a> engineered to guard against the elements. Meanwhile, specialized components like <a href="/7231-ancor-disc-brake-rotor-1896">disc brake rotors</a> and <a href="/7231-ancor-automatic-transmission-control-solenoid-7752">automatic transmission control solenoids</a> demonstrate the brand's expanding reach into broader automotive applications.</p><h3>Trusted by Professionals, Accessible to All</h3><p>All of our products are built for the harsh marine environment and conform to industry standards. Whether you're rewiring an entire vessel, making repairs to an RV electrical system, or upgrading automotive wiring harnesses, Ancor provides the durability and performance needed for installations that last. The brand's reputation rests on delivering consistent quality across every product category, ensuring that whether you're purchasing 100 feet of wire or a single connector, you're getting the same commitment to excellence that has defined Ancor for more than four decades.</p>

Part Number

312503
08/20/2036 6:57 PM
Sale Price

$4.87

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Ancor 312503 heat shrink ring terminal provides a marine-grade connection solution for 12-10 AWG wire terminating to a 5/16 inch stud. This 3-pack features integrated heat-activated adhesive that creates a completely sealed, waterproof connection when heated.

Key Features:

  • Cross-linked polyolefin tubing resists burning and outperforms standard PVC
  • Heat-activated adhesive lining creates impervious seal against salt water, oil, acids, and UV exposure
  • Nylon insulator provides Marine Grade resistance to sunlight, water, chemicals, vibration, and cut-through damage
  • Tinned copper construction for maximum corrosion resistance and current flow
  • Brazed seam construction ensures maximum strength and reliability
  • Highest shrink ratio available - shrinks to 1/3 original size at 257°F (125°C)
  • UL Listed and CSA Recognized for quality assurance

Specifications:

  • Wire gauge: 12-10 AWG
  • Stud size: 5/16 inch
  • Quantity: 3 terminals per pack
  • Operating temperature range: -40°C to 110°C
  • Shrink temperature: 257°F (125°C)

These terminals deliver superior strain relief and vibration resistance, making them ideal for marine, RV, and automotive applications where connections are exposed to harsh environments.

WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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