Timberlok Structural Screw, Fastenmaster, 4 in L, Hex Cap Washer Head, Black Ext. Coating, 12 pk

TimberLOK is a heavy-duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. TimberLOK replaces 3/8 in lag screws and is approved for use in ACQ pressure treated lumber. There is no need to pre-drill with TimberLOK. Its sharp point and aggressive threads zip right in to the densest woods.

• Unique tapered head countersinks easily into wood for flush appearance

• Specification Sheet