5/16 In X 12 In Black Oxide Extended-length Drill Bit – Long Reach, 135° Split Point

Discovering the Irwin 5/16 in x 12 in Black Oxide Extended-Length Drill Bit reveals a precision tool designed for deep-hole work. Its extended reach and rugged black oxide finish resist wear, maintaining sharpness through demanding metalworking and woodworking tasks. The 135-degree split point bites on contact, helping you start holes precisely without wandering. A parabolic flute aids rapid chip removal, while the tapered web minimizes chuck wobble for dependable starts.

Benefits: This extended-length bit delivers versatile performance across metal, wood, fiberglass, and stainless steel, enabling deep, accurate holes with fewer tool changes. The tough black oxide coating extends life and reduces heat buildup during continuous drilling.

• 135° Split Point starts on contact and reduces walking for clean holes in metal, wood, and engineered materials.
• Black Oxide Coating provides enhanced wear resistance and longevity for tough drilling environments.
• Parabolic Flute design enables efficient chip ejection, keeping cutting action smooth and cool.
• Tapered Web minimizes bit spin in the chuck for stable starts and precise holes.
• Extended Length 12 in reaches deep cavities and long holes without frequent bit changes.

Bottom Line: This extended-length drill bit from Irwin delivers reliable performance for deep-hole projects. Its long reach, durable black oxide finish, and precise geometry reduce wandering and enable clean starts. The tool handles metal, wood, fiberglass, and stainless steel with ease, making it a versatile addition to any workshop. Count on lasting reliability and smoother drilling days, even under demanding workloads.