Aircraft Dynamics Black Widow HC Fiberglass Pole Bits (16 Sizes)

Features:

• Important: Lead times may vary. For the most accurate info please contact us first. 
• For hollow core (HC) utility poles. 
• Works on utility poles made from fiberglass, resin, or composite materials. 
• Standard hex shank 7/16".
• Eliminate bit whipping in the air gap of the hollow core structure.
• Preventing distortion of the initial hole with proper in field exit hole alignment.
• Can also be used on cross arms, supports, and braces. 
• Made with a short flute and rugged solid body configuration providing minimal debris.
• Available lengths: 12", 18", 24"
• Various diameters available, please select the variant you need. 
• NOTE: These bits are NOT recommended for solid core poles and structures.

The Aircraft Dynamics Black Widow HC Fiberglass Pole Bits are designed for drilling hollow core utility poles made from fiberglass, resin, or composite materials while supporting accurate hole formation in field conditions. Built with a standard 7/16 inch hex shank, these bits are intended to reduce bit whipping within the air gap of hollow core structures and help maintain proper exit hole alignment to limit distortion during drilling.

The short flute and rugged solid body configuration helps minimize debris while supporting controlled drilling through hollow core materials. These fiberglass drill bits can also be used on cross arms, supports, and braces, offering flexibility across multiple utility applications. Available lengths include 12 inch, 18 inch, and 24 inch, with various diameters offered by variant selection. Lead times may vary and customers are encouraged to contact for current availability. These bits are not recommended for solid core poles and structures.