Driak 5Pcs Inch HSS Step Drill Bit Triangle Pagoda Drill Titanium Cone Drill Hole Cutter Drill Bit with Aluminum Case

Specifications: Material:High Speed Steels Item Type:Step Drill Features: All the bits come in a well-organized case for easy transport and storage. Double cutting blades design enables a faster and smoother cutting. The sharpness and titanium coating ensure easily cut through most sheet metal,plastic and of course wood and some other materials with ease. Please mark the spot that you are to drill for easier drilling and improved drill bits life. Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come. High speed steel for longer service life. Automatically deburrs holes while drilling 3-sided shank prevents slip in drill chuck Size: #1: 3/16" to 1/2"/5-13mm 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') #2: 1/8" to 1/2"/3-6mm 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'') #3: 1/4" to 3/4'' /7-9mm 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")#4: 1/4" to 1-3/8"/7-35mm 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") #5: 3/16" to 7/8" 5-22mm 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")" Package5x Step Drill Bit Set 1x Aluminum Case