Miuline 7Pcs / Set Self Centering Drilling High Speed Steel Hinge Drill Door Window Hinge Hole Opener Hole Positioning Tool

Specifications: Material: carbon steel + aluminum Size: 5/64 hole diameter: about 2mm use about 2.2~2.8mm self-tapping screws 7/64 inch hole diameter: about 2.8mm use about 3~3.5mm self-tapping screws 9/64 Aperture: about 3.5mm use about 4~4.5 mm tapping screws 11/64 Aperture: about 4.5mm use about 5~5.5 mm tapping screws 13/64 hole diameter: about 5.1mm use about 5.6~6.1 mm tapping screws 1/4 inch hole diameter: about 6.3mm use about 6.8~7.3mm self-tapping screws 5mm hole diameter: about 5mm use about 5.5~6 mm tapping screws Package Including: 5/64 Hole Opener 7/64 Hole Opener 9/64 Hole Opener 11/64” Hole Opener or 5/64 Hole Opener 7/64 Hole Opener 9/64 Hole Opener 11/64 Hole Opener 5mm Hole Opener 13/64 Hole Opener 1/4” Hole Opener or 1PC Punch Hinge Drill