Description
The HeadLOK flat head fastener is a heavy-duty structural wood screw requiring no predrilling and offers higher design shear than 3/8" lag screws. HeadLOK zips right in and creates a great finished look. HeadLOK by FastenMaster 4-1/2-in Black Ecoat Flat-Head Exterior Structural Wood Screws | FMHLGM412-INDY