Extra-long carbide-tipped masonry drill bit engineered for drilling through thick concrete, brick, block, and stone. Delivers up to 2x longer life than standard percussion bits.

• 5/16" diameter x 12" overall length for deep drilling applications
• Rock carbide tip maximizes surface contact for extended bit life
• 4-flute spiral design efficiently clears debris while drilling
• 3 flats on shank eliminate slipping in chuck
• Optimum carbide grade maximizes durability
• Tip configuration reduces walking for improved accuracy
• For use in hammer drills and rotary hammers (SDS not included)

FOR CALIFORNIA SHOPPERS

Hello Californians! Your government wants us to show you the following message:

• ⚠  WARNING: Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm.