Stainless Steel Dome Nut - Grade 202, 304, 316, A2, A2-70
A dome nut, alternatively referred to as an acorn nut or cap nut, is a fastener that features a curved, domed top. This shape shields the thread of a bolt or screw, safeguarding it against harm and minimizing the risk of accidental injury from sharp edges. These nuts are commonly utilized in situations where both appearance and safety are key factors.
Nylon Insert Lock Nuts Technical Specification
| Specification | Details |
| Standards | DIN 1587, ISO 4032 |
| Sizes | M3 to M24 (Metric), 1/8" to 1" (Inch) |
| Thread Types | Metric, UNC, UNF |
| Dome Styles | High dome, Low profile |
| Finishes | Plain, Zinc-plated, Chrome-plated, Nickel |
- Rounded dome top protects exposed threads and prevents injuries or snagging
- Internally threaded, compatible with standard bolts and screws
- Provides a finished look for decorative or visible applications
- Available in high dome or low-profile styles
- Ensures thread protection from dirt, moisture, and impact
| Material | Grade | Typical Applications |
| Carbon Steel | 4.6, 5.6, 8.8 | General fastening |
| Stainless Steel A2 (304) | A2-70, A2-80 | Outdoor, decorative, mildly corrosive areas |
| Stainless Steel A4 (316) | A4-70, A4-80 | Marine, chemical exposure |
| Brass | CZ121, CW614N | Electrical fittings, corrosion resistance |
Dome nuts, also known as acorn nuts or cap nuts, are a type of fastener featuring a rounded, closed end. This dome-shaped end caps off the exposed bolt or screw threads, offering both safety and aesthetic value.
Material
Stainless Steel A2
Grade
A2-70, A2-80
Tensile Strength
500–700 MPa
Standards
500–700 MPa
Protective Function
Aesthetic Appeal
Versatile Material Options
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