## Before pressing a rivet, you need to make sure you design the holes so that they fit well. For a rivet to fit nicely in a hole, the hole diameter need to be 0.1 mm (3.9 mils) larger than the outer rivet diameter. Use the table below to see what types of rivets Voltera offers.[[File:...rivetTable.png|none|thumb]]
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## Additionally, these rivets are hollow, so these can also be used to secure headers on your PCB. When placing vias in your design program, ensure the right drill size is used so the V-One leaves enough space when printing the ink.
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# Using Through Hole Press
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## You will need to play all the rivets into the board. Some like to use their fingers, some like to use tweezers, it is up to you. Pinching the rivets on the side is the easiest way to go, as shown in the picture below.