21/64 Inch Black Oxide Drill Bit | Precision Ground High-speed Steel

Introducing the 21/64 Inch Black Oxide Drill Bit, crafted from high-speed steel and finished with a rugged black oxide coating for lasting durability. Its precise geometry helps start holes true, minimizing walking as you drill into metal, wood, or plastic. Built for both professionals and DIY enthusiasts, this bit delivers clean, accurate holes with less effort on every project.

Enhanced performance for everyday drilling: The combination of tough steel and a protective finish extends tool life and reduces heat buildup, ensuring smooth cuts across materials. Expect dependable starts and reduced wandering, even in challenging workpieces.

• Bit Diameter: 21/64 inch for precise, compact hole starts in metal, wood, and plastic.
• Material & Finish: Premium high-speed steel with black oxide coating for wear resistance and corrosion protection.
• Overall Length: 4-5/8 inches for extended reach in mid-depth drilling.
• Shank Compatibility: 21/64 inch shank fits standard drill chucks for quick bit changes.
• Tip Geometry: 135-degree split-point minimizes walking and starts holes accurately on contact.
• Drilling Depth: Capable of drilling up to 3-5/16 inches for versatile applications.
• Quantity: Sold as a single drill bit for convenient, precise replacements.

Why this drill bit stands out: Engineered for reliability, it combines a sharp ground tip with a durable coating to deliver consistent results across materials. The 21/64 inch size is ideal for tight-fitting pilot holes, while the tough finish helps maintain edge life through repeated use. This bit is a practical addition to any workshop, supporting accurate, repeatable drilling tasks from hobby projects to professional jobs.