Description
Allstar Step Drill Set with multiple size holes with one bit - 3pc Set
Drill sheet metal and aluminum without deforming or distorting.
bit starts on contact, deburr and chamfer while drilling and doesnt require center punch.
Titanium nitride coated high speed steel.
1/4" Shank
3pc Set
Six Step Bit: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"
Nine Step Bit: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
Thirteen Step Bit: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"