100% Solid stainless steel: These Hex Socket Head Screws are made of 304 stainless steel which is one of the highest forms of corrosion-resistant metals, great for use in a wet environment.
Note: Do not use a hammer to knock it in, otherwise, it will destroy the surrounding wood; 304 stainless steel is non-magnetic or weakly magnetic, it can't be detected by magnets.
Feature: The head is typically an external hex, can enhance the anchoring force and is durable. With the coarse threads of a wood-screw or sheet-metal-screw thread form (but larger).
Application: Lag screws are used to lag together lumber framing, to lag machinery feet to wood floors, and other carpentry applications.