6 PCS, 3/8″, Black and Gold Twist Drill Bits. Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability. Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.
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Versatile 3/8 Inch Auger Drill Bit – 12 Inch Length for Soft & Hardwood Projects
Crafted from high-strength carbon steel, this drill bit is engineered for speed and precision. Whether you’re working on softwood or hardwood, you’ll appreciate the efficiency of the self-feeding screw point, which pulls the bit through the material with ease.