Titanium Step Drill Bits | 3pc SAE Unibit Set 28 Reamer Bits 1/8 To 3 4 Cone 【M2 The two-flute 】:The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. New Ignition Coil CDI Starter Solenoid Relay Spark Plug Compatible with Polaris Sportsman 500 1996-2002 Polaris Big Boss Magnum Worker Ranger 500 ATV 3085639 3084691 3086982 3085564 3085382 Step Drill Bit Set SHARPTOOL 1/4 To 1-1/8 Inches M2 HSS Step Drill Bit, Unibit For Cutting Stainless Steel, Metal, Wood & Plastic Step Bit 【13 Sizes :Including】:Step bit the bit contains sizes ranging from 1/8” to 1/2”. M2 The two-flute ]:The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. 135° split point tip drill reduces... 【Unibit step drill bit compatibility 】:Unibit step drill bit can quickly and smoothly drill holes of different diameters, such as stainless steel, aluminum, wood, plastic board (the board must be thinner than the height of the step drill. TiAlN TiAlN coating is a new coating material in recent two years. 【TiAlN】:TiAlN coating is a new coating material in recent two years. 【M2 Cobalt Superhard High Speed Steel】:Our high-speed steel drill bits, fortified with a titanium coating that makes the drill bit harder than a typical HSS bit, of high speed steel containing cobalt, which has the characteristics of high wear resistance, high pressure resistance and sintering resistance. M2 The two-flute 135° split point tip drill reduces friction, pressure, and heat, making the drill bits long-lasting and efficient. Common sizes 1/8”, 3/32”, 3/16”, 7/32”, 1/4”, 9/32”, 5/16”, 11/32”, 3/8”, 13/32”, 7/16”, 15/32”, 1/2”, total 9 sizes,step bits For your everyday DIY needs With 31 step sizes, each hole made with these step bits will be precise.