KnKut Performance KK4-1/4-3/4 Knkut 1/4-3/4 Inch Fractional Performance Step Drill Bit KK41/43/4

This item is brand-new, factory sealed.

features and benefits:

• made from special moly alloy steel and gold surface treated for maximum lubricity
• dual flute construction drills clean accurate holes in thin materials
• use for all thin metals, rigid plastics such as plexiglass and wood or composite materials with a thickness equal to or less than the step thickness
• enlarges holes 1/4" - 3/4"

9 sizes, size increments: 1/16". When drilling steel with 1/8" or greater thickness, a starter hole of the smallest step diameter will speed the drilling process.