7/8" x 10-1/4" Simpson CHMXRD08710 SDS-MAX Ground Rod Driver Zinc Large Diameter Concrete Screws T-20 star drive - reduces

T-20 star drive - reduces cam-out and ensures longer driver bit life

electrical conduit

gravity feeding and flood coat filling of concrete cracks and for increasing the bond between freshly placed repair mortars or concrete mixes and existing concrete when substrate temperatures are between 40°F (4°C) to 90°F (32°C)

ASTM A193 Grade B7 Compliance: Made from quenched and tempered alloy steel for high tensile strength and durability

and construction frameworks

7/8" x 10-1/4" Simpson CHMXRD08710 SDS-MAX Ground Rod Driver Zinc Large Diameter Concrete Screws T-20 star drive - reducesThe Simpson Strong Tie CHMXRD08710 ground rod driver is designed for driving grounding rods down through sand, soil, and clay. It is comprised of toughened steel and has gone through a specialized tempering process to create a hardened surface that is wear resistant. The surface treatment improves performance and extends the life of the tool.