CMT 311.020.22 Dowel Drill 2 x 12 x 70mm LH ABW Adjustable Post Base with Wind Uplift They are Hot Dip Galvanized

They are Hot Dip Galvanized for better rust protection with exterior use and in all pressure treated lumber

and what is it made from

helping to prevent moisture accumulation and rot at the post end

Radius (R) 3/8"

Because of its ZMAX G185 galvanized finish

CMT 311.020.22 Dowel Drill 2 x 12 x 70mm LH ABW Adjustable Post Base with Wind Uplift They are Hot Dip GalvanizedThe CMT 311. 020 is a 2 diameter 2 Flute Dowel Drill (Long Series (70mm)). Two flute long series design for blind hole drilling in panels requiring deeper boring. For solid wood, chipboard, MDF, plastics, and laminates. PTFE coating. Rotation: Left hand (LH). SPECIFICATIONS Product Type 2 Flute Dowel Drill Series Long Series (70mm) Nominal Diameter 2 Cutting Length 12mm Overall Length 70mm Shank 10mm parallel shank with driving flat Number of Flutes 2