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Buying a Paper Drill or Punch?

Whats the difference between a paper drill and a paper punch?
A paper drill has an electric motor so you are drilling through the paper stack where as with a paper punch you are just punching through the paper. An electric paper drill will give better results.

Can I drill 2 or 4 holes for ringbinders with a single hole drill?
Yes, all makes of single hole drills are able to drill multi holes either with a sliding table or moving side stops.

How often should I sharpen or change the drill bit?
This depends on the stock that you are drilling through but as a rule of thumb you should be sharpening after every hour of drill time. If the end of the drill bit becomes blackened or purple the drill bit should be thrown away.

Should I use a lubricant on the drill bit?
You should use wax sheets as this helps lubricate the inside and outside of the drill bit and helps to stop blockages.

What size paper drill bit do I need for 2 or 4 hole ring binders?
The standard hole size is 6mm diameter but it is common to use larger diameters for thicker ring binders as the pages will turn over easier so a 7mm or even 8mm are used.

What is the minimum and maximum diameter hole size?
2mm paper drill bit are the smallest available and the maximum is 20mm although not all makes of paper drill will take all sizes check then manufacture specification.

Do all makes of paper drill take the same fitting drill bit?
Sadly the answer is no there is around six different types of chuck fitting.

What are the different types of paper drill bit?
HSS (high speed steel) are probably used for around 90% of paper drilling
Teflon coated reduce friction heat build-up when drilling light plastic or laminated stocks.
Tungsten coated are the hardest wearing long life drill bits for difficult stocks.
There are also specialist drill bits for cloth or blind materials.