Neiko 10193A Titanium Step Bits, Unibit Set, 28 Sizes, High Speed Steel, Standard (SAE) Step Drill Bit Set, Step Bits for Metal. Unibit Step Drill Bits, Industrial Unibit

• REPLACES 28 DRILL BITS: This set includes three standard SAE step drill bits that replace 28 individual drill bits allowing for you to spend more time working, than swapping out drill bits.
• TITANIUM COATED HSS UNIBIT: Made of high-speed steel with titanium coating for added durability and bit life. Suitable to drill though plastic, aluminum, copper, stainless steel, and many other types of sheet metal.
• SMOOTH DRILLING ACTION: Two-flute spiral design provides faster, smoother cutting without walking and a tri-flat shank to ensure a firm grip. Our titanium 2 step bits for metal are perfect for all your DIY, general building, and engineering tasks.
• COMPLETE STEP DRILL BIT SET: Comes with one 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit
• STEP BIT SET CUTS AND DEBURRS: Cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill. Our unibit step drill bit is compatible with most drills on the market.

Our Neiko 10193A titanium coated step drill bit set replaces 28 individual drill bits. The Two-flute design makes for faster, smoother cutting, and the titanium coating helps so they run cool. Each step is gradually blended to ease stepping through hole sizes without walking. 3pc Step Drill Bits. 1/8"- 1/2", 3/16"- 1/2", 1/4"- 3/4". Package comes with one 1/8-inch to 1/2-inch thirteen-step bit, one 3/16-inch to 1/2-inch six-step bit, and one 1/4-inch to 3/4-inch nine-step bit. SET INCLUDES: Bit #1 (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" Bit #2 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"