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3/8" Bolt On D Ring, 1 Hole, 2.4K Rated (Multipack of 4) (B21-4)

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3/8" Bolt-On D-Ring – 1 Hole – 2,400 lb Capacity – Multi-Pack of 4 (B21-4)

Forged 3/8" steel D-rings for dependable cargo tie-downs. Each ring mounts with a single bolt and provides a 2,400 lb working load limit — ideal for trailers, trucks, and utility haulers.


Part Number Quantity Description
B21-4 4 3/8" Bolt-On D-Ring – 1 Hole Mount – 2,400 lb Capacity – Zinc Plated

Features

  • Forged-steel construction for superior strength and long life
  • Simple single-hole bolt-on mount for fast installation
  • 2,400 lb working load limit per D-ring
  • Durable zinc-plated finish protects against corrosion
  • Ideal for flatbeds, cargo trailers, and general tie-down use
  • Includes four D-rings per pack

Specifications

  • Part Number: B21-4
  • Material: Forged Steel
  • Mount Type: 1 Hole Bolt-On
  • Thickness: 3/8″
  • Finish: Zinc-Plated
  • Working Load Limit: 2,400 lbs (each)
  • Quantity: 4 per pack

Compatibility

  • Fits most utility, flatbed, and enclosed trailers
  • Compatible with straps, hooks, and chain-style tie-downs
  • Mounts securely to wood, steel, or aluminum trailer surfaces

Note: Always verify working load ratings before installation. Mounting hardware not included.