Cobalt Drill Bit Set 29Pcs for Hardened Materials

High-Quality Drill Bits for Your Daily Needs

Size Range Our drill bits come in a comprehensive 29-piece set, with diameters ranging from 1/16 inch to 1/2 inch. This includes sizes such as 5/64, 1/8, 7/32, 1/4, and 3/8 inch, ensuring precise holes in a variety of materials.

Advanced Material: M35 Cobalt High Speed Steel Crafted from industry-grade M35 high speed steel with 5% cobalt, our drill bits achieve unparalleled hardness and durability. This superior material significantly outlasts other drill bits made from standard high speed steel.

Precise Split Point and Straight Shank Featuring a 135° split point and straight shank, our drill bits are self-centering and designed for quick, clean cutting. The split point ensures efficient penetration of metals like stainless steel, steel, and cast iron, reducing the need for a center punch and enhancing overall drilling speed.

Versatile Applications Ideal for a wide range of materials, including hard metals and softer ones like plastics, aluminum alloys, and wood. Efficient drilling requires careful control of speed, pressure, and heat. Our drill bits are perfect for professional and DIY projects alike.

Professional After-Sales Service Complete with a durable metal storage case, our drill bits are easy to organize and store. We stand behind our products and offer full satisfaction guarantee. Should you have any concerns, please contact us, and we will provide a sincere and timely response.

High quality, durable, and versatile, our drill bits are designed to meet your daily needs.