1/2 Inch x 12 Inch Aircraft Drill Bit (Professional Grade 2 Pack) Extra Long Black Oxide Cobalt Extension Bit - Perfect for Drilling into Sheet Metal, Stainless, Aluminum, Wood, & Copper

Additional Details from the Manufacturer

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More features

• 2 Pack of 1/2" x 12" AIRCRAFT DRILL BITS - 1/2 Inch Cutting Diameter with 4-1/2 Inch Flute & Total Length of 12 Inches.
• BLACK OXIDE COATING & 135°SPLIT POINT - Designed to Resist Rust & Corrosion & Last 50% Longer Than Standard HSS Bits. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials.
• PLASTIC STORAGE CASE INCLUDED - Incredibly Tough and Durable Plastic Case. Perfect for Keeping Your Cobalt Drill Bits Neatly Organized and Safe.
• AIRCRAFT EXTENSION BITS ARE PERFECT FOR A NUMBER OF PROJECTS - They Can Reach Into Those Hard to Reach Places In a Wide Variety of Materials Including Sheet Metal, Stainless Steel, Aluminum, PVC, Copper, Titanium, Cast Iron, and Many More!
• NARWHAL GUARANTEE - We strive to source high quality products and if you're ever unsatisfied please reach out to us, our USA Based Customer Service is here to help!