Simpson #12 x 2-1/2" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel PACK:1800 Pk which helps distribute load from

which helps distribute load from the beam more effectively and maximizes connection support in structural post and beam assemblies

the CCOQ6-SDS2

Also tested in uncracked masonry in accordance with AC01

Nominal joist size: 4x6 or 4x8

Class 7 spindle bearings support the spindle for maximum rigidity

Simpson #12 x 2-1/2" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel PACK:1800 Pk which helps distribute load fromSimpson #12 x 2 1 2" Self Drilling Flat Head Screw with Wing in 410 Stainless Steel is a precision engineered fastener from Simpson designed for attaching wood, plywood, and fiber cement to steel substrates up to 0. 209" thick. The winged drill point bores a clean clearance hole through the wood layer so the workpiece stays flush against the steel rather than riding up the shank then the wings snap off cleanly as the point contacts the steel, letting