The No.4 Flat Washers (ASME B18.21.1) - Marine Stainless Steel (A4) has the following features:
ASME B18.21.1 Manufacturing Standard
0.032 inch Thickness (T)
Marine Stainless Steel (A4) Material
Marine Stainless Steel (A4) Material Specification
+/- 0.13mm General Tolerance
Imperial Metric or Imperial?
0.312 inch External Diameter (D)
0.125 inch Internal Diameter (B)
Discover more about the Imperial Flat Washers range.
Imperial Flat Washers are designed primarily to enhance the load-bearing capabilities of a threaded fastener, and are compatible with a wide range of Precision Screws. Flat Washers have a wide range of applications, including spacing, pre-load indication, and wear-protection.
Imperial Flat Washer Sizing
Products within the Imperial Flat Washer range are available to suit thread sizes of between No.0 and 2 inches.