ZELCAN 10 Sizes Titanium Step Drill Bit 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

Description: Our step drill bit set provides faster and more convenient drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes perfect for HVAC work home repairs and light jobs such as drilling holes in plastic aluminum copper stainless steel and many other types of sheet metal. 135° split point tip increases cutting speed with self-centering and prevents walking. Specification: Step Sizes: 1/4"" 3/8"" 1/2"" 5/8"" 3/4"" 7/8"" 1"" 1-1/8"" 1-1/4"" 1-3/8"" Material: High-speed steel Package List: 1 x Step Drill Bits Set