Simpson 4 x 4 Column Base Black Powder coated CB44PC Decks and Fences 070 is a 7 diameter

070 is a 7 diameter 4 Flute Dowel Drill (Long Series (70mm))

Model Number: HD5B

standoff keeps the bottom of the post or column elevated above the concrete surface

Greater Net Section Area: SDS Heavy-Duty Connector screws provide a greater wood net section area than bolts

How does this bit help reduce physical strain during decking installations

Simpson 4 x 4 Column Base Black Powder coated CB44PC Decks and Fences 070 is a 7 diameterSimpson Strong Tie CB44PC 4x4 Column Base with Black Powder Coated Finish is a cast in place column base engineered by Simpson Strong Tie to help prevent wood members from rotating at the base. Designed so the bottom of the base plate sits flush with the concrete surface, this column base delivers a structurally sound connection point for 4x4 posts. Its textured black powder coated finish provides a significantly more durable and better looking result