Hertel Aircraft Extension Length Drill Bit Set, 29 Piece, Black Oxide Finish, Straight Shank, 1/16-1/2 Inch, 135° Split Point, 12 Inch Overall Length

Elevate your drilling precision with the Hertel Aircraft Extension Length Drill Bit Set. This comprehensive 29-piece collection features bits ranging from 1/16" to 1/2" diameter, all crafted with a professional-grade black oxide finish that enhances durability and reduces friction. The 135° split-point design prevents walking and ensures clean, accurate hole starts even on curved surfaces. With their straight shanks and extended 12" overall length, these bits provide exceptional reach for accessing deep or difficult areas that standard bits can't manage. Ideal for professional machinists, fabricators, and serious DIY enthusiasts, this Hertel set delivers consistent performance across a variety of materials. Each bit is precision-engineered to maintain sharpness and deliver clean, precise holes throughout demanding applications.

• COMPLETE SET: 29-piece aircraft extension length drill bit set ranging from 1/16" to 1/2" diameter, perfect for a wide variety of drilling applications.
• PREMIUM CONSTRUCTION: Black oxide finish provides increased durability and corrosion resistance while extending the life of these high-quality drill bits.
• PRECISION DESIGN: 135° split-point tips prevent walking and ensure accurate hole placement with reduced thrust requirements.
• EXTENDED REACH: 12" overall length (OAL) allows access to deep drilling applications that standard length bits cannot reach.
• VERSATILE PERFORMANCE: Straight shank design ensures compatibility with most drill chucks for immediate use in various drilling equipment.