BLACK+DECKER Cordless Screwdriver, Alkaline (BCF601AA)

I don't thick you'll find pin vises that go pass 3.4mm cause at that point you just go into regular drill bits. So I use this: https://a.co/d/02EeGlFX ( bits ) https://a.co/d/0fuUKR8R ( chuck ) https://a.co/d/00PBvsit ( handle to hold the chuck ) can also use a Dremel/Drill to hold the bits, or https://a.co/d/0fblpYln ( electric screwdriver + chuck to keep things steady with a bigger bit or use the bits below ) https://a.co/d/0igZ1Wsk ( quick swap metric drill bits ) https://a.co/d/06886RmA ( highly recommend a vise when using the bigger bits with power tools ) and as always, step down when drilling a new hole, start with the smallest size and work up to the final size, go slow and be precise