Meni najvise lici na ovo:
http://www.cmtutensili.com/show_items.a ... ~7/8/916~2
"How long do you spend making openings in paneling, drywall, siding, doors or windows? With the CMT panel pilot bit, the job just got quicker. The point plunges smoothly and easily and the carbide edges cut clean and fast. All of this adds up to accurate cuts in less time and with less effort - great for trimming formica, veneer and other laminates."
Ukratko, vrh sluzi da probije plocu, a nozevi na telu da je iseku, recimo prilikom otvaranja rupe za doznu u gipskartonu ili OSB-u.