Borrow Long-Shank Hinge Boring Drill Bit Set (4 Piece)

A specialist set of carbide-tipped hinge boring bits featuring extra-long shanks for drilling clean, flat-bottomed blind holes in timber, MDF, and particle board. Specifically designed for recessing concealed kitchen and wardrobe cup hinges or hardware into cabinet doors, these bits offer precise depth control and smooth cutting performance.

15,18,20 & 22 mm