Lag Bolt Screws !

Hex Head with Coarse Threads and Sharp Points; Used in Wood Applications.

Hex Lag Screws, or Lag Bolts, are available in steel with a zinc or galvanized finish; and in 18-8 stainless steel. Featuring a hex head, spaced threads and a gimlet point, lag screws are generally used in pre-drilled holes in wood, or with lag screw shields in a variety of materials.