6-32 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel BH188PT this screw boasts a Grade

this screw boasts a Grade 5 rating

making them suitable for use in damp or humid conditions

The screw is finished with a yellow zinc coating

5/16-18 x 5/8 Hex Cap Screw Grade 2 Non A307 Black Oxide and Oil is a high-quality fastener designed for a variety of applications

It features a slotted drive and an undercut head

6-32 x 1/4 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel BH188PT this screw boasts a GradeThe 6 32 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 being fastened. This type of screw is often used in binding applications, such as bookbinding and photo album assembly. It is also commonly used in other applications where a flush or countersunk finish is desired.