In Demand [10 PKG] Structural Flat Washers Steel Zinc F436 Type 1 1 3/8

Structural Flat Washers in Steel with a zinc finish, designed to meet ASTM F436 Type 1 specifications. Size: 1-3/8″ outer diameter. These washers provide a precise bearing surface for structural bolts, helping distribute load across a larger area and minimize damage to bolt heads and mating surfaces.

Material: Steel

Finish: Zinc plating for corrosion resistance

Standards: ASTM F436 Type 1

Size: 1-3/8″ outer diameter

Application: Structural connections, heavy-load assemblies, steel framing

Benefits: High load distribution, reduced bolt pull-through, protection of seating surfaces

Ideal for construction, industrial, and maintenance projects where durable, reliable fasteners are required. Pair these steel zinc F436 Type 1 washers with compatible bolts for optimal performance and long service life. Store in a dry environment to prevent corrosion.