Diablo 4" Diamond Segmented Masonry Cut-Off Blade DMADS0400 Pancake-Head Screw The Simpson Strong-Tie HWPH412 is

The Simpson Strong-Tie HWPH412 is a heavy top-flange purlin hanger engineered to support joists on purlins or beams in both wood and cold-formed steel construction

and molding along fiberglass boat hulls

or do I need to purchase one separately

Designed for 4x6 column sizes

Full-Height Joist Flange: The full-height joist flange captures the top chord of the joist to prevent rotation

Diablo 4" Diamond Segmented Masonry Cut-Off Blade DMADS0400 Pancake-Head Screw The Simpson Strong-Tie HWPH412 isDiameter: 4" Arbor: 7 8", 20mm, 5 8" Kerf: 2. 2mm Rim Design: Segmented Max RPM: 15250 Tools: Angle Grinder Materials: Concrete; Concrete with Rebar; Brick Block Diablo's diamond segmented masonry cut off blades provide extreme durability and longer life in concrete, concrete with rebar, brick and cinder block. These diamond rimmed discs deliver up to 2X longer cutting life versus standard diamond cut off discs. The disc's industrial grade diamonds