5/16-18 x 3/4 Serrated Hex Flanged Washer Full Thread Grade 5 w/Head Markings Zinc DQG It has a Type B

It has a Type B finish

and it is designed to be used with screws and bolts that have a diameter of 5mm

25 x 25 DIN 7985A Metric Phillips Pan Machine Screw Full Thread Black Ox Oil is a high-quality screw designed for use in a variety of applications

These 6-20 x 3/4 Phillips Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc are designed for use in a variety of applications

5/16-18 x 3/4 Serrated Hex Flanged Washer Full Thread Grade 5 w/Head Markings Zinc DQG It has a Type BThese 5 16 18 x 3 4 Serrated Hex Flanged Washers are made of Grade 5 steel and have a zinc coating for corrosion resistance. They feature a serrated face that helps to prevent loosening, and a hex flange that provides a wide bearing surface. These washers are full thread, meaning that they can be used with bolts of any length. They are typically used in automotive, construction, and other industrial applications.