3/8 In X 12 In Black Oxide Extended-length Drill Bit

Discover the Irwin 3/8 in x 12 in Black Oxide Extended-Length Drill Bit. Built with an extended reach, this bit is finished in a wear-resisting black oxide coating for durability through metal, wood, and composites. The 135-degree split point helps start holes precisely without wandering, and the parabolic flute design aids in efficient chip removal for smoother cutting. The tapered web design helps keep the bit from spinning in the chuck during starts.

How It Helps You: Designed for versatile drilling across metal, wood, fiberglass, and stainless steel, it provides dependable results from the first hole to the last. The extended reach helps you access deep cavities and hard-to-reach areas with confidence.

• 135-degree split-point ensures precise starts with minimal walking when drilling into metal and other materials, reducing effort and drips on tough projects.
• Black oxide coating enhances wear resistance and heat tolerance, extending the life of the drill bit during demanding metalworking tasks.
• Parabolic flute geometry accelerates chip removal for cooler, smoother drilling across metal, wood, fiberglass, and stainless steel.
• Tapered web reduces chuck spin, stabilizing the bit from the moment of contact and offering consistent hole quality.
• 12 inch overall length delivers extended reach for deep-hole drilling in multiple materials, improving efficiency on long jobs.

Closing: Why choose this Irwin bit? This extended-length drill bit blends durability with practical design, engineered to handle deep holes with confidence. Its split-point, black oxide finish, and parabolic flute work together to deliver clean starts, efficient cooling, and smooth cutting. Built by a trusted name in tools, it’s a versatile choice for metal, wood, fiberglass, and stainless steel projects. Whether you’re assembling frames, wiring, or fabricating components, this bit helps you complete tasks faster with fewer interruptions.