JC1512 3Pcs Step Drill Bit Set

Contains:

#1 step drill 13 sizes from 1/8″ to 1/2″,

#2 step drill 9 sizes from 1/4″ to 3/4″,

#3 step drill 6 sizes from 3/16″ to 1/2″.

Split point generates less heat.

28 Hole sizes in 3 bits.

Enlarge existing holes.

Applicable materials: stainless steel, copper, brass, aluminum, plastic and laminates.