20mm Ø Hinge Borer x 57.5mm overall length  x 10mm Shank - Left hand rotation.

TCT, 2 Wing, 2 Spur + Centre Point - up to 40mm drilling depth.
Ideal for producing accurate holes (i.e. hinges, fixings) into Timber, MDF, MFC & Laminated/veenered materials.
Used on all types of CNC router and hole drilling machines.