M4 x 10W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc M10 The 1/4-20 thread size ensures

The 1/4-20 thread size ensures compatibility with a wide range of nuts

They are also corrosion-resistant for added durability

071" thickness provides ample support for heavy-duty applications

It is made of alloy steel and heat-treated to a Rockwell hardness of C32-39

these screws are suitable for a wide range of construction

M4 x 10W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc M10 The 1/4-20 thread size ensuresThe M4 x 10W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M S Zinc is a type of washer that is used to distribute the load of a screw or bolt. It is made of zinc plated steel and has a split design that allows it to be easily installed. The washer has a diameter of 10mm and a thickness of 0. 9mm. It is suitable for use with M4 screws or bolts.