Aircraft extension drill bits are used for drilling deep holes or drilling holes in the places hard to reach. 6 inches and 12 inches overall length bits are available
Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life
All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI). Fractional Sizes 1/16" to 1/2" diameter are available
Fully ground process and precision surface finish ensure excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly. Packed in a rigid translucent tubes or pouches prevents drill bits from damage
