4-40 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel WDOC making it suitable for heavy-duty

making it suitable for heavy-duty projects in construction

080 Small Head Ribbed Threaded Insert Rivet Nut

The coarse thread offers excellent bite into wood

they are corrosion-resistant and ideal for use in areas with moisture or humidity

4-40 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel WDOC making it suitable for heavy-dutyThe 4 40 x 1 4 Slotted Binding Undercut Machine Screw is a fully threaded screw made of 18 8 stainless steel. It has a slotted drive and an undercut head. The undercut head allows the screw to be countersunk below the surface of the material it is being driven into. This type of screw is often used in binding applications, such as bookbinding and photo albums.