USS Flat Washers
USS Flat Washers Manufacturer in China
Zhenkun offer USS Flat Washers in different sizes & standards.USS Flat Washers are also available in different materials and grades.USS Flat Washers used for construction materials for projects such as docks, bridges, highway systems, mechanical equipment,and homes, among other things.
USS Flat Washers
USS Flat Washers were among the first known commercial flat washers in the U.S.A. They are characterized as having a loose fit, and have a larger outside diameter than SAE Flat washers. The USS designation was derived from the name “Unified Standard Series.” At the time, coarse threaded bolts were called USS bolts.
USS Flat Washers Diameters
USS Flat Washers are available from Zhenkun factory with Imperial/US diameters that range from #1 to 4 and with Metric diameters that range from M3 to M42.
US/Imperial diameters
- •#1 •#2 •#3 •#4 •#6 •#8 •#10 •#12 •#14 •3/16 •1/4 •5/16
- •3/8 •7/16 •1/2 •9/16 •5/8 •3/4 •7/8 •1 •1 1/8 •1 1/4 •1 3/8 •1 1/2
- •1 5/8 •1 3/4 •1 7/8 •2 •2 1/4 •2 1/2 •2 3/4 •3 •3 1/2 •4
Metric diameters
- •M3 •M4 •M6 •M7 •M8
- •M10 •M12 •M14 •M16 •M18
- •M20 •M22 •M24 •M30 •M42
USS Flat Washers Materials
USS Flat Washers are available from Zhenkun factory in materials that range from Steel to Nylon
- •Steel •Grade 2 •Grade 5 •Grade 8 •Grade 9 •Grade A •Class 8.8 •Class 12.9
- •300 Stainless (A1,A2, 18-8,304,310 etc.) •316, 317, A4 Stainless •Ni-Cu Alloy (Monel, K-Monel, etc.) •Aluminum •Brass •Silicon Bronze •Nylon
USS Flat Washers Finishes
USS Flat Washers are available from Zhenkun factory in finishes or coatings that range from Plain to Phosphate
- •Plain •Zinc/Clear •Zinc/Yellow •Zinc/Black •Galvanized •Aluminum zinc flake (Dacromet, Magnigard, Doerken) •Black Oxide •Cadmium
- •Cadmium/Yellow •Chromate Conversion (Iridite, Alodine) •Chrome •Fluoropolymer (Xylan, Fluorokote, Teflon) •Nickel •Painted •Phosphate
