Multi-Diameter Step Drill
Made of special alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin materials including thin metals, rigid plastics such as Plexiglass and wood or composite materials with a thickness equal to or less than the step thickness.
• Complete set with case!
• Sizes Included: 3/16″-7/8″, 3/16″-1/2″, and 1/8″-1/2″.
• 3 flats on shank for more gripping power.
• Use for all thin metals, rigid plastics, wood or composite materials with a thickness equal to or less than the step thickness.
• 135° Split Point self centers and easily starts with no pilot hole required.
Titanium Nitride (TiN) coating adds lubricity and hardness, enhancing chip flow, finish hole quality and drill life.