Simpson 0.390 x 4" Strong-Drive SDCF TIMBER-CF Screw LSC Stair-Stringer Connectors this screw provides the holding

this screw provides the holding power and installation efficiency that structural work demands

The unique box threads feature raised-ridge technology that greatly reduces driving torque

which provides corrosion resistance to help ensure long-term performance and durability in structural framing environments

easier driving

Fabricated from 14-gauge (68 mil) steel for heavy-duty structural integrity

Simpson 0.390 x 4" Strong-Drive SDCF TIMBER-CF Screw LSC Stair-Stringer Connectors this screw provides the holdingModel No. SDCF27400 Coating Material. Yellow Zinc Coated Length. 4 Head Diameter (in.) 0. 725 Shank Diameter (in.) 0. 29 Drive Type. T50 6 Lobe Head Type. Flat Head with Nibs Thread Length (in.) 3 5 8 The Strong Drive SDCF Timber CF screw is a structural fastener designed for cross laminated timber construction, mass timber construction and general interior applications. These structural fasteners provide uncompromised strength for these demanding