4-40 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel WDOC The coarse thread offers excellent

The coarse thread offers excellent bite into wood

They are made of steel and have a length of 1 inch

080 Small Head Ribbed Threaded Insert Rivet Nut

The hex shape provides a secure grip when tightening

Made from high-strength steel and heat-treated for exceptional durability

4-40 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel WDOC The coarse thread offers excellentThe 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.