IRWIN Unibit 3-Piece Set Step Drill Bit Set Item #2674741 #IWAS15504DF IWAS15504DF (3/16-in to 7/8-in)

DRILL THROUGH A VARIETY OF MATERIALS Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates VERSATILE DESIGN FOR PRECISE HOLES For drilling holes from 1/8-in to 7/8-in in diameter (3.2mm to 22.2mm). #1 has 13 steps 1/8-in to 1/2-in (3.2mm to 12.7mm) #4 has 12 steps 3/16-in to 7/8-in (4.7mm to 22.2mm) SET INCLUDES One #1 single-flute step drill bit, one #4 single-flute step drill bit, one #4 double-flute step drill bit REDUCED SLIPPING