Experience the power of DRILL AMERICA 3/8" x 12" cobalt aircraft extension drill bit, engineered to conquer hard metals with exceptional durability and extended reach. Perfect for aerospace, automotive, and industrial work, this bit delivers reliable performance where space is tight and holes must be precise.
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Premium cobalt alloy provides superior hardness and heat resistance for drilling stainless steel, alloy steel, and other tough materials, extending bit life even under demanding production workloads.
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3/8" diameter and 12" overall length offer standard hole size with a long reach for deep or recessed holes, reducing the need for multiple tools.
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Aircraft extension design enables extended reach with rigidity, helping to minimize deflection and maintain accuracy in cramped spaces.
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Precision-ground tip for clean starts and reduced walking, delivering accurate, true holes every time.
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Versatile performance suitable for handheld drills or machine setups, making it a reliable addition to professional tool kits.
Trust DRILL AMERICA to power through your hardest projects with confidence and efficiency.
