ZELCAN 1PC M2 Step Drill Bit, Faster Drilling Step Bit 3/16 to 1-3/8 Inch, Professional Unibit Drill Bit for Cutting Holes On Sheet Metal, Steel, Wood

ZELCAN 1PC M2 Step Drill Bit, Faster Drilling Step Bit 3/16 to 1-3/8 Inch, Professional Unibit Drill Bit for Cutting Holes On Sheet Metal, Steel, Wood

Durable & Sturdy ----- Solid M2 high speed construction for extra durability, close to impossible to snap compared conventional drill bits, the unique 3-sided shank prevents slip in drill chuck and reduces shocks; oiling the bits recommended before every use to maximize the service life. Jam-Free Performance ----- Dual-flute design and three-sided shank design is optimized for cordless drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge One Bit for All ----- The bit comes with 18 sizes so you can drill up to 18 holes with different diameters, saving you time and efforts to change bits, quadrupling your drilling efficiency compared to competition Laser-Engraved Marks ----- All the laser-engraved reference marks make it easy to stop on any hole size for your convenience Universal Compatibility ----- Designed for drilling on steel sheets up to 0.2 in., acrylic, PVC and wooden boards up to 0.2 in 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