# 1669 Dunbier 1/2" Ford Wheel Nut | Marine Trailer Part

🔧 Product Description

  

Dunbier Ford Wheel Nut 1/2" UNF - Single - Part Number: 1669

  

A replacement 1/2" UNF tapered-seat trailer wheel nut for the Ford five-stud wheel pattern. The conical seat centres the wheel on the stud and clamps it against the hub flange.

  

⚙️ Key Features

  

• Trailer wheel nut with tapered/conical seat

• 1/2" UNF thread

• Matched to Ford five-stud hub studs

• Zinc or plated finish as currently supplied

• Pack quantity: 1 nut

  

📏 Specifications

  

• Thread: 1/2" UNF

• Wheel pattern family: Ford five-stud

• Quantity: 1 nut

• Seat, shank, knurl and length must match the original component

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 1669

• 7/16-inch hardware is associated with Holden HT-pattern hubs

• 1/2-inch hardware is associated with Ford-pattern hubs

• Do not mix metric, 7/16-inch and 1/2-inch wheel hardware

  

🚤 Trailer Compatibility & Application

  

• Suitable only for hubs and wheels using the stated thread and seat profile

• Wheel PCD and stud count must also match

• Stud knurl diameter and grip length must be checked when replacing studs

  

🔌 Function

  

Clamps the wheel securely to the hub stud and maintains wheel-to-hub seating under road load.

  

Common signs of wear or replacement:

  

• Threads are stretched, crossed or stripped

• Conical nut seat is galled or cracked

• Stud spins in the hub

• Corrosion has materially reduced the thread

• Wheel repeatedly loosens despite correct torque

  

🛠️ Installation & Safety

  

• Use a torque wrench and the hub/wheel manufacturer's specified torque

• Tighten wheel nuts progressively in a star pattern

• Do not lubricate threads unless the torque specification expressly assumes lubrication

• Press studs into the hub squarely; do not pull badly mismatched studs in with a wheel nut

• Recheck torque after the first 50-100km and after wheel removal

  

📦 Condition

  

• Brand new Dunbier Marine Products trailer component

• Supplied as one individual item containing 1 nut

• Supplied in original or equivalent packaging

## Details

- **Price:** 1.0 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.00 AUD | In stock |

## Images

- 1669 Dunbier 1/2" Ford Wheel Nut | Marine Trailer Part
- 1669 Dunbier 1/2" Ford Wheel Nut | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1669-wheel-nut-1-2-ford)
> Updated: 2026-08-05