Dowel Pin Tolerance and Fit Standards

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Here is an article written by our engineering team that will guide you on tolerance/fit guidelines for dowel pins. We hope to give you a succinct yet complete depiction of guidelines for different use cases. Please note that these are only recommendations and sound engineering judgement must be applied while taking a decision regarding form and fit for your assemblies.

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Factorem is Southeast Asia’s first on-demand, one-stop portal to custom manufacturing. We are making hardware prototyping processes smarter, faster, and more efficient. Through our trusted partner network, we help hardware teams get high quality customized parts at their optimal price and lead time, alongside DFM feedback. Our partners’ capabilities include CNC Machining, Sheet Metal Fab, 3D Printing and more.

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1.0 What are dowel pins?

Dowel pins are cylindrical pins usually made of steel, aluminum, or a variety of plastics. They are commonly used in…