Drills Twisted HSS, Set of 15 in Plastic Wallet

Spiral push drill for miniature applications. Collets from 0” to 0.06” (0.3mm to 1.50mm) Handy to drill holes in hard to reach spaces.

Holds all size pearls for drilling. Knurled lock-nuts provides quick clamping and release action.

End of wood is bored and reinforced so that it can be threaded onto a polishing motor. The collets will use /” and ⅛” shank mandrels.