Shopping security
The Champion HC11-EXT 11" Extension is the heavy-duty reach extender designed for applications where additional length is needed when drilling with hammer bits. Connects seamlessly with SDS-Max or Spline Shank Adaptors to extend reach by 11" (total 18" when added to a 7" adaptor), providing superior access for deep concrete, masonry, brick, block, and stone drilling. Precision-machined steel construction ensures secure fit, maximum impact energy transfer, and durability under high-impact use. Ideal for plumbers, electricians, HVAC techs, and masons needing extended reach for through-holes, anchors, coring, and deep penetrations without changing tools—your essential extension for jobsite flexibility, deeper drilling, and reliable performance in demanding applications.
• 11" extension length – adds critical reach for deep drilling applications
• Connects with SDS-Max or Spline Shank Adaptors – total 18" when combined with 7" adaptor
• Precision-machined steel – secure fit & full impact energy transfer
• Heavy-duty construction – withstands high-impact concrete & masonry abuse
• Easy installation – quick connection for fast setup & tool changes
• Ideal for through-holes, anchors, coring & deep penetrations in concrete/masonry
• Champion quality – reliable & trusted for professional drilling & demolition
• Perfect for plumbing, electrical, HVAC & structural work requiring extended reach
• FREE Shipping!
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order