3 PIECE HSS BLACK & GOLD STEP DRILL BIT SET (SIZES #1 TO #3)

Black and gold surface treatedSingle bit can be used for drilling a wide range of hole sizes in metal, plastic and woodSingle radial concave flute crates perfectly round holes in metal, plastic wood and other thin materials without center punchingConstructed of industrial grade high-speed molybdenum steel, heat-treated and temperature for long lifeNo center punching needed