Bolts and nuts are threaded fasteners used to securely join machine components, providing clamping force through tension.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Preload | 65-90% of yield strength | |
| Nut Type | Hex, lock, flange | |
| Head Type | Hex, socket, flange | |
| Thread Type | Metric (ISO) or Imperial (UNC/UNF) | |
| Strength Grade | 8.8, 10.9, 12.9 | |
| Torque Requirements | Specified by diameter/grade |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A practical evidence checklist for RFQ preparation and supplier evaluation.
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11 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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Bolts require nuts to create joints and are designed for through-holes, while screws typically thread directly into materials without separate nuts.
Torque depends on bolt diameter, grade, material, lubrication, and joint design. Always follow manufacturer specifications or engineering calculations.
Vibration, thermal cycling, improper preload, material relaxation, or insufficient locking mechanisms can cause loosening.
Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.