bitstock

(Anglès)

A hand tool consisting of a crank which holds a fitted rotating drill bit tip, designed to bore holes in rigid materials, by cutting a disc in a spiral fashion.

Etimologia (Anglès)

From bit + stock.

Kurbelbohrmaschine

handboor

korba stolarska

Arco de pua

Handbohrmaschine

Handkurbelbohrmaschine

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