Cobalt Drill Bits, M35 HSS, 135 Degree Tip, Jobber Length Twist Drill Bit Set for Hard Materials, with Storage Case, Pack of 10

The GMTOOLS brand presents this Cobalt Drill Bit Set, a toolbox necessity designed for ultimate durability. Each drill bit is constructed from a high-speed steel material that contains 5% cobalt (M35 Cobalt HSS), increasing the strength, tool life, and heat resistance.

This metric bit set, a nice-to-have for repeated drilling in metals, includes the following sizes: 1/8" (3.17mm) with 1-5/8" (41.27mm) flute length, 3/16" (4.76mm) with 2-5/16" (58.74mm) flute length, 1/4" (6.35mm) with 2-3/4" (69.85mm) flute length, and 5/16" (8mm) with 3-3/16" (80.96mm) flute length.

The 135-degree tip twist design ensures precise positioning, lower pressure, and fast penetration. The straight shank prevents walking, making drilling more accurate and efficient. The fully ground spiral groove design clears particles quickly, decreasing friction and heat for a faster, cooler drilling performance.

When drilling, always wear safety goggles and other necessary protective equipment. Ensure the drill bit is perpendicular to the workpiece, and keep both the bit and workpiece stable to prevent tilting, which can lead to breakage.

The Cobalt Drill Bit Set is packaged in a sturdy plastic case for easy storage and carrying, with 10 pieces of 3/16" (4.76mm) diameter, 2-5/16" (58.74mm) flute length cobalt drill bits.

The cobalt drill bits' hardness is uniform, allowing them to be repeatedly sharpened without damaging the cutting edge. They are suitable for use on hard metals, stainless steel, cast iron, galvanized pipes, high-temperature alloys, titanium alloys, and woods.

GMTOOLS stands behind the quality of this product, offering a 30-day money-back guarantee and 100% satisfaction guarantee, ensuring a risk-free shopping experience.

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