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⚙️ Elevate your hardware game with sleek, durable black dome nuts — because details matter.
These Black Stainless Steel Cap Nuts (M3) are precision-engineered from premium A2 stainless steel with a black zinc coating, offering superior corrosion resistance and a smooth acorn dome design that combines safety with modern aesthetics. Sold in packs of six, they cater to a wide range of industrial and DIY applications, ensuring a reliable, stylish finish for your projects.
| ASIN | B0BGPXMLJ8 |
| Best Sellers Rank | 98,225 in DIY & Tools ( See Top 100 in DIY & Tools ) 32 in Acorn Nuts |
| Brand Name | Generic |
| Colour | Black |
| Compatible Groove Diameter | 4.2 Millimeters |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.3 out of 5 stars 31 Reviews |
| Drive Style | External Hex |
| Exterior Finish | Stainless Steel |
| Exterior finish | Stainless Steel |
| Fastener Type | Hex |
| Fastener type | Hex |
| Finish Types | Blackened Stainless Steel |
| Grade Rating | commercial |
| Inside Thread Size | M3, M4, M5, M6, M8, M10 |
| Item Diameter | 3 Millimetres |
| Item Dimensions | 50 x 60 x 20 millimetres |
| Item height | 2 centimetres |
| Manufacturer | LFDC Supplies |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Metal | Blackened Stainless Steel |
| Metal type | Blackened Stainless Steel |
| Number of Pieces | 6 |
| Screw Head Style | dome |
| Size | M3 |
| Thread Coverage | Fully Threaded |
| Thread Size | M3, M4, M5, M6, M8, M10, M12 |
| Thread Style | Both |
| Thread Type | ISO Metric |
| Thread size | M3, M4, M5, M6, M8, M10, M12 |
| Unit Count | 55.0 gram |
M**L
Very high quality
Not the cheapest but I needed quality and these are worth the extra. If they are going to be on display I recommend this supplier.
T**K
Very good quality.
Bought M6 dome nuts for repair job. Very satisfied.
G**A
Solid nut but colour came off a little when tightening for the first time
Nice product but was concerned when the colour started to rub off when first tightening it. However, can't notice anything and doesn't seem to do it any more.
M**D
Arrived quickly
Nuts arrived well packaged in both sizes I ordered within a couple of days and just right for the job.
Trustpilot
1 month ago
4 days ago