@Anonymous wrote:
... I will use a printer from my university, and aparently it can print such small holes.
Make and model of the printer (I happen to have access to several different printers)?
Printing hole is one thing - printing fine pitch theads for that is another story.
In the last century I used to work out on the shop floor running CNC machines doing a lot of hole tapping.
As I machinist I hated any job that required a thread size smaller than an M4.
Case in point - we had a job for making electrical control housings machining a casting that was about $25 before any machine work. Fasterners were purchased by the weight. 1lb of M3 fasteners was more fasteners than 1lb of M4 (sorry about the mix/match of units). So logical choice - purchase the M3s to get more for your money, right? (the function of the fastener size wasn't an issue) But we were breaking M3 taps left and right either scrapping the casting or requiring time consuming burn-out of the broken tap and then drill and tap for Helicoil insert.
Of course if you need M1 you need M1, but at least specify the correct Tap Drill size. (Hint: An M1 fastener will fall into an Ø1mm hole as there will be no material for thread.) This is classical beginner mistake.
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