Ultimate Guide to Mechanical Pencil Lead Sizes

Mechanical Pencil Lead Size

What do the Different Lead Sizes Mean For Mechanical Pencils?

A mechanical pencil’s lead size refers to the diameter of the lead that the pencil writes with. The diameter of modern mechanical pencil lead is measured in mm.

The lead diameter of a mechanical pencil used to be measured in inches. When the pencil manufacturers converted to mm, this caused confusion as some manufacturers rounded up and others rounded down to the nearest mm for their labels and packaging.

This guide shows all the different lead sizes, what we use them for, and the manufacturers for each size.

So let’s dive in.

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What is Pencil Lead Made Out of?

What is Pencil Lead Made Out Of

What is pencil lead made of & where does pencil lead come from? These are the questions you start pondering in the middle of a too-warm afternoon when you’re sitting at a desk with a pencil in your hand, working, when you’d rather be anywhere else but there.

In this guide, we are going to cover what material pencil lead is made from, where they get the raw materials to make pencils and how they make pencil lead. We will also dive into what colored pencil lead is made from as they use different materials to make colored pencils.

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