Simpson 0.140 x 3 1/2" Strong-Drive SDPW Deflector Screw, 6-Lobe, E-coatModel No. SDPW14312 R50 Finish. E coat Electrocoating Length. 3 1 2 Head Diameter (in.) 0. 55 Shank Diameter (in.) 0. 205 Drive Type. T25 6 Lobe Head Type. Washer Head Thread Length (in.) 2 Point Type. Type 17 Point Thread Type. Coarse Threads Color. Blue The Simpson Strong Drive SDPW Deflector screw is a premium structural fastening solution for connecting non load bearing walls to trusses and joists. With tested lateral load ratings that meet