Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Sandpaper No-predrill installation saves time and

No-predrill installation saves time and reduces wood damage - the Type-17 point and serrated thread design allow the screw to drive directly into wood and engineered lumber

The WP26 is designed for use with 2x6 dimensional lumber joists

Code Listed under IAPMO UES ER-192 - meets 2018 and 2021 IRC and IBC code requirements for several common wood framing applications

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

02 is a precision CNC chuck for ER32 collets with ISO30 shank for use on CNC machining centers and point-to-point machines

Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Sandpaper No-predrill installation saves time andSimpson 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