5/16-18 x 1/2 Serrated Hex Flanged Washer Full Thread Grade 8 w/Head Markings Zinc D985188 The M4 x 18W9 JIS

The M4 x 18W9 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

They have a #2 Phillips drive and a 1/4-inch hex washer head

this washer resists corrosion and wear

The un-slotted indented hex washer head provides a secure grip during installation and prevents accidental loosening

5/16-18 x 1/2 Serrated Hex Flanged Washer Full Thread Grade 8 w/Head Markings Zinc D985188 The M4 x 18W9 JISThe 5 16 18 x 1 2 Serrated Hex Flanged Washer Full Thread Grade 8 with Head Markings Zinc is a high strength washer designed for use with bolts and screws. It is made of zinc plated steel and features a serrated flange that helps to prevent loosening. The full thread design allows for maximum holding power. The head markings indicate the grade of the washer, which is 8. This washer is commonly used in automotive, construction, and other industrial