Step Drill Bit 4mm to 12mm 5 Sizes HSS M35 Cobalt Straight Flutes Hex Shank for Metal Wood Plastic Door Switches ): 72mm x 72mm x

): 72mm x 72mm x 49mm (L*W*H)

4 x T Type Plates

Tolerance: +/-20%

fiberboard

Screws are not included here

Step Drill Bit 4mm to 12mm 5 Sizes HSS M35 Cobalt Straight Flutes Hex Shank for Metal Wood Plastic Door Switches ): 72mm x 72mm xFeatures: Laser marking makes the size more clear; High speed steel for longer service life; Used on electric drills and drill presses; Double cutting edges design enables a faster and smoother cutting; Hex shank prevents slip in electric drills and presses' chuck; X type openings design to facilitate the removal of cutting waste when drilling; The sharpness ensures easily cut through most metal, aluminum, plastic, wood and other materials with ease;