Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Sandpaper 511 may be ordered with

511 may be ordered with a hot-dip galvanized finish for applications requiring enhanced corrosion protection

Comes with 2 large counterweights to save you effort and physical strain when bending

1" high resolution display (1024 x 768) with 3D graphics for clear

Powered by a 2 hp motor on 220-volt single-phase power

Member Size - Post: Nominal 6x

Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Sandpaper 511 may be ordered withSimpson 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