Simpson 3/16" x 3-1/4" Titen Turbo Flat-Head Screw Anchor, Blue TNT18314TF PACK:400 Pk The BC8 is not recommended

The BC8 is not recommended for non top-supported installations such as fences or unbraced carports

quick-release impact-ready drill bit and a T-15 6-lobe driver bit

Large diameter chromed quill (3-3/8") offers strength and wear resistance for consistent spindle performance

Connecting trusses and rafters to the top of wall framing to resist wind uplift and seismic forces

sold separately as an optional accessory

Simpson 3/16" x 3-1/4" Titen Turbo Flat-Head Screw Anchor, Blue TNT18314TF PACK:400 Pk The BC8 is not recommendedSimpson TNT18314TF Titen Turbo 3 16 in. x 3 1 4 in. 6 Lobe Flat Head Concrete and Masonry Screw Anchor by Simpson Strong Tie is a high performance screw anchor engineered for fast, reliable fastening into concrete and masonry. The patented Torque Reduction Channel between the threads gives drilling dust a place to go, significantly reducing torque related issues like binding, stripping, and snapping delivering consistently trouble free installation