Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc PACK:100 Pk 052 is a 5

052 is a 5

High precision spindle bearings - reduce runout and vibration

T20 6-Lobe drive type - delivers high torque transfer with reduced cam-out risk

Description: Double 1-1/2 x 9-1/4 Welded Top-Flange Joist Hanger

Sized to fit 1-3/4 in

Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc PACK:100 Pk 052 is a 5Simpson Strong Drive SDHR Combo Head Screw by Simpson is a heavy duty structural fastener engineered for cross laminated timber construction, mass timber construction, and general interior applications. At 6 1 4 in. long with a 0. 390 in. outer diameter, this partially threaded screw draws structural members tightly together while delivering excellent connection strength in demanding timber framing and wood to wood assemblies. The blue zinc interior