Stark USA 5PC Cobalt Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

Titanium Coating: The titanium nitride coating on these high-speed steel drill bits reduces friction, ensures the bits stay cooler during use, and helps maintain their sharpness for longer periods of time. This coating also increases their overall durability, making them suitable for heavy-duty tasks. 118° Split Point Tip for Precision: With a 118-degree split point tip, these bits drill quickly and accurately, preventing the bit from walking off-center. The two-flute design clears material particles more effectively, resulting in smoother, cleaner holes and reducing wear. Tri-Flatted Shank for Secure Fit: The tri-flatted shank guarantees a secure and stable fit in your drill, preventing slippage during use and giving you confidence while you work on any project. Common Sizes for Compatibility: The set includes five commonly used sizes that can easily fit most brands on the market. Their universal design makes them compatible with various chuck sizes and ensures they’re ready for a wide variety of drilling tasks. Versatile Drilling Applications: Designed for use on sheet metal, aluminum sheets, wood chips, plastic, and wood boards, these step drill bits are a great choice for home projects, repairs, and engineering tasks. They can tackle multiple materials, making them an indispensable tool in your collection. This Stark USA Industrial 5pc Cobalt Spiral Drill Bit Set is designed to offer versatility and durability in a compact, easy-to-store package. The combination of titanium coating and high-speed steel ensures long-lasting sharpness and precision for a variety of drilling needs. Whether you're drilling through metal, wood, or plastic, these bits will provide clean and efficient holes every time.