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Difference between coarse and fine threadvscoarse thread

The question still remains on your use case. If you have a bespoke, highly precise requirement or a project which needs a stronger tensile strength – then fine-threaded fasteners would be the best choice for you. Otherwise, for availability and a cost-effective solution, a coarse-threaded fastener should be sufficient. We would always advise that you research and know the product specification of the fastener you’re using and the required tensile strength. Otherwise, you risk failure.

The difference between fine and coarse thread fasteners is the thread pitch. Fasteners and threaded rods that have a coarse thread have a larger pitch, (fewer threads per axial distance). Most commonly you’ll be using a coarse-threaded fastener than its fine-thread counterpart. Did you know fine-threaded fasteners are more difficult to find than coarse threads? Fine-threaded fasteners should be the type you choose when dealing with specific measurements.

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