# 3mm Screw

**URL:** <https://discourse.shapr3d.com/t/3mm-screw/35691>\
**Category:** Modeling Questions\
**Created:** [December 21, 2024, 6:17pm UTC](https://discourse.shapr3d.com/t/3mm-screw/35691 "2024-12-21T18:17:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Lester](https://avatars.discourse-cdn.com/v4/letter/l/b9e5f3/32.png) [@Lester](https://discourse.shapr3d.com/u/Lester)\
**Post date:** [December 21, 2024, 6:17pm UTC](https://discourse.shapr3d.com/t/3mm-screw/35691/1 "2024-12-21T18:17:22Z")

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I’m looking for a way to design a 3mm screw with a .5 pitch.

Does anyone have that design to share, or can someone instruct me as to how to achieve this precise design?

I can make a screw, but don’t understand how to be precise with the pitch and thread depth.

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**Author:** ![SCALEMODEL](https://avatars.discourse-cdn.com/v4/letter/s/77aa72/32.png) [@SCALEMODEL](https://discourse.shapr3d.com/u/SCALEMODEL)\
**Post date:** [December 21, 2024, 7:40pm UTC](https://discourse.shapr3d.com/t/3mm-screw/35691/2 "2024-12-21T19:40:03Z")

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[![](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/c/0/c070cd34f2f84371b0acc1adf334f39b0420d8a0.jpeg "Bolt & Nut for 3D Printing in Shapr3D") ](https://www.youtube.com/watch?v=Svoe6wznDZs&t=272s)

download reference threads here

> **[McMaster-Carr](https://www.mcmaster.com/)**
>
> McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

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<div class="post-metadata">

**Author:** ![PEC](https://avatars.discourse-cdn.com/v4/letter/p/67e7ee/32.png) [@PEC](https://discourse.shapr3d.com/u/PEC)\
**Post date:** [December 22, 2024, 12:14pm UTC](https://discourse.shapr3d.com/t/3mm-screw/35691/3 "2024-12-22T12:14:07Z")

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Hi,

you should have a look at [ISO metric screw thread - Wikipedia](https://en.wikipedia.org/wiki/ISO_metric_screw_thread) to get the precise dimensions and exact shape to sketch.