# 1663C Dunbier Wheel Stud and Nut 7/16" (HT) Pack of 5, Clamshell Pack | Marine Trailer Part

🔧 Product Description

  

Dunbier Holden HT Wheel Stud and Nut Set 7/16" UNF - Pack of 5 - Part Number: 1663C

  

A replacement press-in 7/16" UNF wheel stud for the Holden HT five-stud trailer hub pattern. The serrated shoulder is pressed into the hub flange so the threaded section can accept the matching tapered wheel nut.

  

⚙️ Key Features

  

• Press-in trailer wheel stud

• 7/16" UNF wheel-nut thread

• Matched to Holden HT five-stud hubs

• Zinc-finished corrosion protection

• Pack quantity: 5 studs and 5 nuts

• Matching wheel nuts included

  

📏 Specifications

  

• Thread: 7/16" UNF

• Wheel pattern family: Holden HT five-stud

• Quantity: 5 studs and 5 nuts

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

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 1663C

• 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

  

Provides the fixed threaded attachment between the wheel hub and the wheel nut.

  

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 clamshell pack containing 5 studs and 5 nuts

• Supplied in original or equivalent packaging

## Details

- **Price:** 17.0 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.00 AUD | In stock |

## Images

- 1663C Dunbier Wheel Stud and Nut 7/16" (HT) Pack of 5, Clamshell Pack | Marine Trailer Part
- 1663C Dunbier Wheel Stud and Nut 7/16" (HT) Pack of 5, Clamshell Pack | Marine Trailer Part
- 1663C Dunbier Wheel Stud and Nut 7/16" (HT) Pack of 5, Clamshell Pack | Marine Trailer Part
- 1663C Dunbier Wheel Stud and Nut 7/16" (HT) Pack of 5, Clamshell Pack | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1663c-dunbier-wheel-stud-nut-7-16-ht-pack-of-5-clam-shell)
> Updated: 2026-08-05