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

R and P Carriages

Regular price $14.24

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.

Shipping

We ship quickly and carefully, with tracking provided on every order. Most items ship the same or next business day. Your parts will arrive safely and on time, ready to use.

Returns & Guarantee

Your satisfaction is guaranteed. Returns, refunds, and exchanges are accepted — no hassle. We stand behind every part we sell, so you can purchase with confidence.

Committed to Customer Service

At R and P Carriages, we believe in treating our customers like family. Whether you need a small replacement part or a complete trailer service, we’re here to help with friendly, expert support every step of the way.