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Metric fine pitch nuts have more threads per unit length than a standard metric coarse pitch nut. For example M10 coarse pitch has one thread per 1.5mm and M10 fine pitch has one thread per 1.25mm.
Fine pitch nut and bolt assemblies are stronger than the equivalent coarse pitch assembly and are more resistant to loosening, when subject to vibration.
Fine pitch nuts are, however, more succeptable to damage and are more likely to suffer from thread galling. Consequently fine pitch components require more time to assemble.
This page features our current range of metric fine pitch nuts.
| A2 Stainless Steel - Also known as grade 304 or 18/8. A general purpose grade of stainless steel. | |
| A4 Stainless Steel - Also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel. | |
| Bright Zinc Plated (BZP) Steel - Non-stainless standard steel grade offering a basic level of corrosion resistance. | |
| Bright Zinc Plated (BZP) Class 10 High Tensile Steel - A higher tensile non-stainless grade for nuts, with a basic level of corrosion resistance. | |
| Bright Zinc Plated (BZP) Class 8 High Tensile Steel - The general purpose high tensile grade for nuts, offering a basic level of corrosion resistance. |
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