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Aircraft Extension Drill Bits

Engineered for deep, narrow, or hard-to-reach drilling, aircraft extension drill bits offer exceptional reach without sacrificing precision. Designed originally for aviation use, these bits are ideal for metalworking, automotive repairs, and fabrication tasks. Available in various lengths and diameters, they deliver extended performance in tight spaces. Whether you're assembling aircraft or working in structural applications, these aviation drill bits ensure accuracy, durability, and control.

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Engineered Reach with Industrial Precision


  • Extra-Long Design for Deep Access

    • Crafted with extended shanks, these aircraft extension drill bits are perfect for drilling through hard-to-reach surfaces or structures.


  • High-Speed Steel for Durability

    • Manufactured using high-speed steel, they withstand heat and wear, making them ideal for repetitive drilling in tough materials like steel or aluminum.


  • Optimized for Aviation & Automotive Use

    • Originally made for aerospace tasks, these aviation drill bits also suit automotive and fabrication applications needing precise, elongated drilling.


  • Variety of Sets for Versatile Needs

    • Choose from individual sizes or a complete aircraft drill bit set for professional-grade flexibility in every task.


  • Secure Bit Extension for Drills

    • Designed to maintain stability during operation, the bits provide a reliable bit extension for drills without wobble or slippage.


Frequently Asked Questions About Aircraft Extension Drill Bits


What are aircraft extension drill bits used for?

They’re used for drilling in hard-to-reach or narrow areas, often in metal or aerospace work.


Are they suitable for materials other than metal?

Absolutely, they can drill into plastics, composites, and some woods.


What sizes do aircraft drill bit sets come in?

Sets typically range from 1/16" to 1/4", but options may vary by brand.


Do longer bits compromise drilling accuracy?

No, they are engineered to maintain straight-line precision even at extended lengths.


How do I prevent bit bending during use?

Use slower speeds, ensure proper alignment, and avoid applying lateral pressure.

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