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3D Models of Bolts and Nuts for 3D Printing

This collection gathers 3D models of bolts, nuts and related threaded parts. You will find size variations, tolerance tests, parametric designs and hardware fittings that use fasteners. It helps when you need an STL for a repair, a prototype or a mechanical assembly. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Il testo di questa raccolta è in inglese; la ricerca funziona in qualsiasi lingua.

Una raccolta di Polyzon · 48 modelli da 8 siti

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Polyzon compone questa raccolta a partire dai risultati di ricerca dei siti collegati. I doppioni e i modelli senza anteprima vengono rimossi, le corrispondenze deboli finiscono in fondo e il resto mantiene l’ordine dei risultati. I modelli appartengono ai rispettivi autori: verifica le condizioni sulla pagina di ciascun modello.

Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 10/10/2026

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«3D Models of Bolts and Nuts for 3D Printing»

The models range from simple metric pairs to multi-variation sets that test thread tolerance. Some entries are parametric, so you can adjust diameter and pitch before export. Others focus on handles, washers or novelty threaded assemblies. Each type differs in part count, thread profile and the amount of assembly required.

On the author's model page, check the stated size and scale, the number of parts and whether supports are needed. Look at the thread profile and clearance, because printed threads often need tuning on your 3D printer. The material and settings the author lists can guide your first attempt. Photos of real prints help you judge how the threads engage.

To narrow the results, try synonyms such as fastener, threaded rod, screw, washer or cap nut. Related topics include metric hardware, machine screws, threaded inserts and repair parts. You can also search by use case, for example mechanical projects, workshop tools or replacement fittings.

FAQ

Domande frequenti

What is the difference between a bolt and a nut in these models?
A bolt is the threaded male part, while a nut is the threaded female part that mates with it. Many collections include both as a matched pair, but some files provide only one component.
Why do printed threads sometimes fit too tightly or too loosely?
Printed threads depend on nozzle size, layer height, material shrinkage and the clearance built into the model. Tolerance test sets let you compare several clearances before committing to a larger print.
Can I scale a bolt and nut model to a different size?
Scaling changes both the outer dimensions and the thread pitch, so the parts may no longer match standard hardware. If the model is parametric, adjusting parameters is usually more predictable than uniform scaling.
What should I check before printing a threaded assembly?
Review the part count, orientation, support requirements and the material settings the author lists. Also look at photos of real prints to see how the threads engage.
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