Features 2mm micrograin Tungsten Carbide tips, for cutting the most abrasive materials to give extra long life.
PTFE coated, indicated by distinctive black colouring.
Can be used on hardwood & softwood, fibreboard, plywood and particle board.
Etched dimensions on extra long 40mm shanks.
D: 20 mm
C: 20 mm
OL: 59 mm
Shank Diameter: 1/4
Can be used for 10mm radius hinges on hinge jigs when used with a 20mm guide bush Ref. GB240.
Especially suited for drilling
