6164674 Hex Machine Screw is an ideal fastener for metal to metal applications with pre-drilled holes Hex socket head helps distribute load to a wider area Stainless steel screw is resistant to corrosion and rust DIN912 compliant Dimensions: M8 diameter; Length 30mm Rust-free and corrosion-resistant stainless steel material Hex head requires less torque Suitable for indoor/outdoor applicationsIdeal for use on metal to metal fastening Ideal for use on metal to metal fastening