IRWIN Step Drill Bits 1/4-in 13-Step Drill Bit

IRWIN has been producing high quality metal cutting tools for over 40 years in our domestic manufacturing faculty. Our experience combined with a continuous focus on the values that we hold dear: 1) end-user obsession, 2) innovation, and 3) continuous improvement allow IRWIN to be a leading supplier to some of the world’s largest manufacturers.

• 13 hole sizes
• High speed steel fractional
• Single-fluted cutting edge for greater control and rounder holes
• Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, Plexiglas, wood and laminates
• 3-flatted shank won’t slip in chuck
• Speedpoint tip for fast starting
• Laser marked sizes won’t wear off with use