#3L NAS620 Light Flat Washer 300 Series Stainless Steel DFAR MSB188 This self-drilling screw features a

This self-drilling screw features a hex washer head for easy driving and a bonded neoprene EPDM washer for a watertight seal

a length of 1 1/2"

437 Head Hgt

this screw features a slotted drive for easy installation using a flathead screwdriver

#3L NAS620 Light Flat Washer 300 Series Stainless Steel DFAR MSB188 This self-drilling screw features aThe #3L NAS620 Light Flat Washer is a small, thin, round washer made of 300 series stainless steel. It is used to distribute the load of a screw or bolt over a larger area, preventing the screw or bolt from pulling through the material it is fastened to. The washer has a diameter of 0. 312 inches and a thickness of 0. 025 inches. It is compliant with the Defense Federal Acquisition Regulation Supplement (DFARS), which ensures that it meets the quality