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The Circuit Performance Tuner Key Acorn Lug Nuts feature a precise 12x1.5 thread pitch and a sleek ultra-thin tuner style design, ideal for aftermarket wheels with smaller lug holes. Crafted from forged alloy steel with a durable black finish, this 20-piece set includes a heat-treated spline key tool that protects your wheels during installation and adds a robust layer of theft deterrence. Trusted by enthusiasts for quality and security, these lug nuts combine high performance with a clean, modern aesthetic.






| ASIN | B075TP7D8S |
| Best Sellers Rank | 876,373 in Automotive ( See Top 100 in Automotive ) 5,250 in Wheel Bolts, Nuts & Studs |
| Brand Name | Circuit Performance |
| Colour | Black |
| Compatible Groove Diameter | 12 Millimeters |
| Country Of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 499 Reviews |
| Drive Style | Spline |
| Exterior Finish | Aluminum,Steel |
| Exterior finish | Aluminum , Steel |
| Fastener Type | Acorn |
| Fastener type | Acorn |
| Finish Types | Gloss Black |
| Grade Rating | Industrial |
| Inside Thread Size | M12 x 1.5 |
| Item Diameter | 12 Millimetres |
| Item Dimensions | 17.3 x 14.2 x 4.4 centimetres |
| Item Weight | 28 Ounces |
| Manufacturer | Circuit Performance |
| Manufacturer Part Number | CPTUN1215BK-20 |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Metal | Alloy Steel |
| Metal type | Alloy Steel |
| Model Number | 4333086300 |
| Number Of Items | 20 |
| Number of Pieces | 20 |
| Outside Diameter | 19.7 Millimetres |
| Set Name | 20 Piece 12x1.5 Black Acorn Lug Nut Set |
| Size | 20 Lug Nuts |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | M 12 |
| Thread Style | Right Hand |
| Thread Type | Unified National Coarse |
| Thread size | M 12 |
| UPC | 639385691260 |
C**D
Perfect
Just what I was looking for. High quality and good price. I dislike the look of standard “tuner lugs” these have a clean appearance and fit just as well. Most splined lugs can be removed by a thief with a standard socket, the hex adds a bit of security without the hassle of keeping track of a special key. They are steel and have a lot of material around the bore. The specs in the description are totally accurate. I trust them to keep the wheels on the hub 100p.
H**N
Awesome product
Awesome product, came on time. Very happy with the quality
A**R
Completely useless
One lug nut is missing.
D**R
Great product and value.
Speedy delivery. Great quality. Paint seems to hold well so far. Tool provided seems in excellent condition. I used an impact to install and all went well.
C**E
Do not purchase, they will strip out and you will not be able to remove your wheel
Attempted to use these to mount wheels with tight clearance in lug holes. Do not purchase these, get external spline lugnuts instead
Trustpilot
2 weeks ago
2 weeks ago