Product Description
190 Piece Metric A2 Stainless Steel Dome Nut Assortment – M3 to M12
A selection of seven metric dome nut sizes for workshop repairs and general assembly. Also known as acorn or cap nuts, the closed dome covers the exposed end of a bolt or stud for a neat finish.
Product Specifications
- Material: A2 stainless steel.
- Type: hexagon dome / acorn cover nuts.
- Thread: metric coarse.
- Sizes: M3 to M12.
- Total quantity: 190 nuts.
Assortment Contents & Reference Dimensions
Dimensions below are DIN 1587 reference values. Spanner sizes are nominal widths across flats. All measurements are in millimetres.
| Thread Size | Thread Pitch | Spanner Size | Maximum Overall Height | Quantity |
|---|---|---|---|---|
| M3 | 0.50 | 5.5 | 6 | 40 |
| M4 | 0.70 | 7 | 8 | 40 |
| M5 | 0.80 | 8 | 10 | 48 |
| M6 | 1.00 | 10 | 12 | 23 |
| M8 | 1.25 | 13 | 15 | 20 |
| M10 | 1.50 | 17 | 18 | 13 |
| M12 | 1.75 | 19 | 22 | 6 |
| Total | 190 | |||
Overall height is the external nut height, not the available internal thread depth. Please check with us if a dimension is critical to your application.
Packaging Options
- Boxed set: plastic storage box with dividers and a clip-down lid.
- Refill pack: supplied without a box.
Fitting Advice
Match the nut to the correct bolt diameter and thread pitch. Ensure the projecting bolt or stud does not bottom out inside the dome before the nut clamps the joint. Start threads by hand and tighten steadily with a correctly fitting spanner or socket.
Browse our nut range, find suitable washers or consult our thread data guide.