It's kind of like a drill bit with no twist and small sharp knurls all over it. I have a set of 4 in 1/4, 3/8, 1/2 and 5/8. -Very handy for cleaning out rusty holes in things under your car.
A file tip is attached to the tip of the "drill" and it is used to thin and smooth the acrylic.
I would only drill it out if I could accurately assess the size of the rivet and pick a drill using that information. If I could not assess this at first, I would file down the rivet head carefully to find out the barrel size, then pick a slightly smaller drill to drill it out.
Start with a small bit, about 1/4 inch. Drill all of the way through. Move up one bit size and enlarge the hole. It may take three or for bit changes for the lock to come apart.
A drill machine can mean a hand held electric drill, or a bench drill press or a pillar drill.
Drill using a 280 degree drill by samsung drill and drill about 5cm by 5 cm
To put a drill bit in a drill, you typically loosen the chuck, insert the drill bit into the chuck, and then tighten the chuck securely to hold the drill bit in place.
With your drill
It's the part of the drill that holds the drill bit.
Drill Sergent
Depending on the type of drill BIT, it may drill through almost anything.
A chuck key is used to remove a drill bit from a drill.
You can acquire a drill bit for your drill by purchasing one at a hardware store or online. Make sure to choose a drill bit that is compatible with your drill's chuck size and the material you will be drilling into.