[10 PKG] Flat Washers SAE Medium Carbon Thru Hardened Made in USA 1 3/8

Premium Flat Washers SAE Medium Carbon, Thru Hardened, Made in USA, Size 1 3/8 in. Engineered for strength and reliability in heavy-duty assemblies, these washers distribute load evenly, prevent pull-through, and improve joint stability in automotive, industrial, and machinery applications.

• Material: SAE Medium Carbon Steel for robust performance and compatibility with standard fasteners.
• Process: Thru Hardened for uniform hardness throughout the washer, delivering superior wear resistance and long service life.
• Origin: Made in USA for consistent quality control and traceability.
• Size: 1 3/8 in nominal size.
• Applications: Ideal for distributing loads in high-stress assemblies, including automotive, machinery, and construction projects.

Notes: For best results, pair with compatible bolt and nut sizes and ensure proper lubrication as needed. Store in a dry environment to maintain performance.