Drill America GLBCOX1218 #18 x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series: Long Length Drill Bits

Drill America's Cobalt Aircraft Extension Drills are specifically designed for drilling tough, high-tensile strength materials like stainless steel, inconel, and titanium.

With a 135° split point tip and round shanks, these drills provide maximum durability and performance in even the most challenging applications.

The gold oxide surface treatment sets these drills apart from other cobalt steel tools on the market, offering improved performance and longevity.

Available in 6" and 12" lengths, Drill America's Cobalt Aircraft Extension Drills are the perfect solution for any industrial or contractor cutting tool needs.