Self-tapping screws are screws that can tap its own hole as it is driven into the material. Countersunk design allows a screw to be �sunk� into a piece of lumber. Pozidriv head design ensures screwdriver head does not cam-out. Stainless steel is a family of iron-based alloys that contain a minimum of approximately 11% chromium, a composition that prevents the iron from rusting, as well as providing heat-resistant properties.
|Outside Diameter (mm)||3.5|