Anti-Theft Trailer Wheel Lock Nut Kits (5-Piece Pack with Key) – 7/16″ UNF HT Studs
$24.95
“No more going to work Monday morning and your wheels are gone!”
“No more going to work Monday morning and your wheels are gone!”Protect your valuable investment from opportunistic thieves with this heavy-duty 5-Piece HT Trailer Wheel Lock Nut Kit from North Coast Trailer Spares. Featuring a high-security, unique spline-driven pattern, these nuts cannot be removed with standard tools or wrenches without the included matching key socket.
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- Â Maximum Security Coverage: 5-piece kit is ideal for fully securing a single-axle trailer (2 wheels) plus your vital spare wheel!
- Â Easy DIY Fit: Simple installation using standard sockets or a factory wheel brace.
- Â Perfect HT Fitment: Suits 7/16″ UNF 5-stud HT Holden/Torana and 4-stud Gemini trailer rims.
- Â Complete 5-Piece Pack: Includes 5 x open-ended tapered lock nuts + 1 x matching security key socket.
Available for fast shipping or local pickup at our Alstonville store!
SHIPPING INFORMATION
Shipping Australia wide
Local Pickup – 1/20 Kay’s Lane, Russellton Industrial Estate, ALSTONVILLE NSW 2477
About Anti-Theft Trailer Wheel Lock Nut Kits (5-Piece Pack with Key) – 7/16″ UNF HT Studs
No more going to work Monday morning and your wheels are gone! WE HAVE THE SOLUTION!
Secure your trailer wheels and protect your investment with the premium 5-Piece HT Trailer Wheel Lock Nut Kit from North Coast Trailer Spares. Engineered specifically to stop thieves in their tracks, this heavy-duty kit features high-security lock nuts with a unique spline-driven locking pattern. They are designed so they cannot be undone without the matching key socket adapter supplied in the pack, providing an ultimate visual and physical deterrent against opportunistic theft.
Whether you are parking a boat trailer, box trailer, or light utility trailer, these high-security open-ended tapered nuts offer maximum peace of mind.
 Key Features & Benefits
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- Â Deters Theft: Unique spline pattern stops standard sockets, multi-grips, or plumbing wrenches from removing your trailer wheels.
- Â Strong & Reliable: Built from high-strength materials to survive demanding road conditions, salt water, and heavy load hauling.
- Â Easy To Fit: Simple DIY installation. The included hex-head security key integrates seamlessly with your standard socket set or vehicle tire brace.
- Â Suits Most Trailers: Tapered open-end design sits perfectly on standard steel and various aftermarket trailer rims.
-  Single Axle + Spare Tyre Ready: Packaged as a comprehensive 5-piece set—perfect for securing both main wheels on a single-axle trailer while ensuring your spare tyre stays exactly where it belongs.
 Technical Specifications
| Attribute | Specification |
|---|---|
| Thread Size | 7/16″ UNF |
| Pack Quantity | 5 x Open-Ended High-Security Wheel Nuts |
| Included Accessories | 1 x Matching Unique Security Key Socket Tool |
| Seat Design | Tapered / Conical |
| Nut Style | Open-End (Accommodates longer wheel studs) |
| Drive Pattern | High-Security Spline Driven |
| Common Fitments | 5-Stud HT Holden/Torana Pattern, 4-Stud Gemini Trailer Rims |
 Hub Compatibility Guide
These wheel nuts feature a 7/16″ UNF thread. They are a direct fit for:
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- Holden HT / Torana 5-Stud Trailer Hubs (Highly common classic Australian trailer pattern)
- Gemini 4-Stud Trailer Rims
- Any utility trailer, marine boat trailer, or camper utilising standard 7/16″ UNF wheel studs.
 Note: Not suitable for larger Ford 1/2″ UNF studs or modern metric hubs. Please refer to our Technical Wheel Stud Sizing Guide or contact our team if you need help measuring your studs.
 Local Pickup & Contact Info
Are you local to Northern NSW? Skip the shipping and pick your kit up today!
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- Store: North Coast Trailer Spares
- Address: Unit 1, 20 Kay Lane, Alstonville, NSW 2477
- Phone: (02) 6616 1798
Order and Pickup Details
PICKUP ADDRESS:
North Coast Trailer Spares
1/20 Kay’s Lane
Russellton Industrial Estate
ALSTONVILLE NSW 2477
Phone: 02 6616 1798 or Order Online
Pricing and Shipping
All prices on this website are displayed in AUD, excluding shipping and insurance.
North Coast Trailer Spares reserves the right to alter prices and product specifications without notice.
