A1386Z-5 Mackay Wheel Stud Only 1/2" (Ford) (Pack of 5) Clamshell Pack | Marine Trailer Part

🔧 Product Description

Genuine Mackay Marine Trailer Products 1/2" Ford-Pattern Press-In Wheel-Stud Pack - Part Number: A1386Z-5

A zinc plated wheel stud for compatible Mackay trailer hubs and wheels. The component matches the 1/2" UNF thread used by the stated wheel pattern and is supplied in a pack of 5.

⚙️ Key Features

• 1/2" UNF thread specification
• Designed for Ford-pattern hubs
• Zinc plated corrosion-resistant finish
• Pack quantity: 5
• Replacement for damaged, stretched or corroded wheel hardware

📏 Specifications

• Component type: wheel stud
• Thread size: 1/2" UNF
• Wheel/hub pattern: Ford-pattern hubs
• Finish: Zinc plated
• Pack quantity: 5
• Seat profile, knurl diameter and installed length must match the hub and wheel

📋 Supplied Components

• 5 × wheel studs

🔄 Cross Reference & Related Parts

• Matching 1/2-inch Ford nuts: Mackay A1376G-5

🚤 Compatibility & Application

• Confirm the existing wheel-stud thread and wheel-nut seat before installation
• Press-in studs require the correct knurl diameter and hub flange thickness
• Wheel nuts must provide adequate thread engagement without bottoming
• Tighten wheel nuts in a cross pattern and recheck after the first trip

🔌 Function

Secures the trailer wheel to the hub and transfers driving, braking and cornering loads through the stud pattern.

⚠️ Common Signs of Failure

• Threads are stripped, stretched or cross-threaded
• Stud knurl turns inside the hub
• Nut seat is galled or cracked
• Wheel nuts repeatedly lose torque
• Corrosion or impact damage weakens the component

📦 Condition

• Genuine Mackay Marine Trailer Products part
• Brand new
• Supplied in original or equivalent packaging