7/8" x 8" Simpson SDS-Plus Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 OCC Ornamental Column Caps Self-Drilling Tip: No pre-drilling required

Self-Drilling Tip: No pre-drilling required when fastening into 18–22 gauge steel

clears excess material

Tri-lobe thread design - reduces composite board damage during installation

G90 Galvanized Finish: Manufactured with a G90 hot-dip galvanized coating

Zinc-plated finish offers moderate corrosion resistance for interior and dry applications

7/8" x 8" Simpson SDS-Plus Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 OCC Ornamental Column Caps Self-Drilling Tip: No pre-drilling requiredStrong Tie SDS Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications. California Residents: WARNING