Irwin #1 Unibit Step Drill 13 Hole Sizes
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, plexiglass, 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
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