White Knight 1304-1S-20AM Lug Nuts, 1/2"-20 Zinc Open-End Bulge Acorn, 20 Pack
Product description
Choosing wheel hardware is mainly about matching the thread and seat, not picking the most elaborate design. These White Knight lug nuts are a specific 1/2"-20 open-end bulge acorn type, so the details matter when checking whether they suit your wheel.
The pack contains 20 nuts, with alloy steel construction and a zinc exterior finish. That gives you the key information to compare against the fasteners required for your application.

Could they suit a trailer rim or another setup that calls for this exact fitting? Buyers mention trailer use and a good fit, but those comments are not a substitute for confirming your own requirements.
How to use it



Start by matching the 1/2"-20 thread and the bulge acorn form with the requirements for the wheel and vehicle or trailer. The product name also specifies an open-end design. Check these details before fitting, a similar-looking nut is not necessarily the right one if its thread or seat differs.
A practical use case is replacing a set of wheel nuts where the existing specification is known. Buyers have mentioned using them on trailer rims, including utility trailers, but that does not establish compatibility with every trailer or rim. If you are replacing only some fasteners, the pack size also makes it worth checking how many are needed for the job.

Why it’s worth it
The appeal here is a clearly stated fitting and a straightforward finish, rather than extra features. Alloy steel, a polished finish and zinc exterior finish are specified, while the open-end bulge acorn shape identifies the style. That can make this a more considered choice than buying a generic set based only on appearance, provided the thread and seat match what you need.



Buyer feedback is largely favourable about fit, function and appearance, with some people mentioning trailer rims. Durability feedback is mixed, however: alongside reports of the nuts holding up, there are complaints about threads stripping. That makes careful matching and attention to thread condition important, the comments do not establish how every set will perform.
Quick overview

- Type: Open-end bulge acorn lug nut
- Thread: 1/2"-20, fine thread class
- Material: Alloy steel
- Exterior finish: Zinc
- Finish type: Polished
- What’s included: 20 lug nuts
What to clarify



How many nuts are included? The listing specifies a 20-count pack.
What thread size is listed? It is 1/2"-20, with a fine thread class. Match this to the required specification rather than relying on appearance alone.
What does the product name say about the design? It identifies the nuts as open-end bulge acorn fasteners. The wheel’s required seat shape should still match before fitting.
Should you buy it?
It’s a good fit if you need a 20-piece set of 1/2"-20 open-end bulge acorn lug nuts and have confirmed that this form suits your wheel. The zinc finish and alloy steel construction are useful identifying details when comparing replacement hardware.
It’s not for you if your required thread or seat shape is different, or if you need performance or durability assurances beyond the information provided. The mixed buyer comments about thread stripping are worth weighing up, particularly if consistent thread condition is a priority.
Products with discounts that might interest you
- BGS 67160 Magnetic Cup Holder, 188 mm high with magnetic backing
- Michelin Whisk Frost Scraper XL Snow Brush and Ice Scraper, 20 cm Brush
- febi bilstein 30533 Radiator Expansion Tank Cap, Plastic, 2 bar
- MANN-FILTER C 35 005 Vehicle-Specific Air Filter for Cars
- TarosTrade 246-0589-N-85140 Tow Hook in Alloy Steel, Powder-Coated
- febi bilstein 38023 Automatic Transmission Oil Dipstick, Red Plastic
- LEGO Technic 42234 Dodge Viper GTS-R model car with V10 engine and steering
- SKF VKBA 3644 Rear Wheel Bearing Set, 32 mm with Complete Replacement Components
- Schwalbe 28-inch Inner Tube with Presta Valve, Pack of Two
- Muc-Off eBike Dry Chain Lube 50ml, Ceramic Lubricant for Dry Weather
- XLTTYWL 12-24V to 36V DC Power Adapter Kit for Starlink Mini & Mini X
- CarlinKit Wireless CarPlay & Android Auto Adapter for Android Head Units
- Bosch Aerotwin AR997S Front Windscreen Wipers, 600 mm/550 mm Pair
- LEGO Technic 42236 Custom Garage Ford Mustang GT car, 973 pieces
- UGREEN Aircool 25W Magflow Pro Qi2 Car Mount Charger with Cooling Fan
- PORTENTUM Qi2.2 25W magnetic car phone holder with active cooling
- UGREEN Car Phone Holder with 360° Ball Joint, Long Arm and Suction Cup
- UGREEN 65187 MagSafe Car Phone Mount with 360° Rotation and Suction Cup
- UGREEN Magnetic Phone Car Mount for MagSafe, Vent, Windscreen and Dashboard
- CarlinKit MINI-Ultra 3 Wireless CarPlay and Android Auto Adapter
- UGREEN MagSafe Air Vent Car Phone Mount with Adjustable Angle and Metal Hook
- UGREEN Air Vent Car Phone Holder with 360° Rotation and Spring-Loaded Clip
- UGREEN Car Phone Holder Air Vent, Gravity Mount for 4.7–7.2-inch Phones, Silver
- KS Tools 136.1105 Tap Seat Milling Set, 1/4"–1", 6-Piece

