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100Pcs Zinc Finish Flat Washers – 5/16" SAE are high-quality metal washers designed for durability, versatility, and professional performance. Each washer features a (5/16") inside diameter 11/32 and outside diameter 11/16", making it perfect for screw washers, bolt washers, automotive washers, car fasteners, vehicle washers, and hardware washers. Constructed from corrosion-resistant zinc-plated metal, these flat washers provide superior rust protection and maintain a secure hold under vibration, torque, and heavy loads. Ideal for industrial washers, mechanical washers, construction washers, and workshop projects, this 100-piece set is perfect for DIY enthusiasts, mechanics, and automotive repair professionals. Whether you are working on garage projects, vehicle maintenance, or industrial machinery, these washers ensure reliable and secure fastening for bolts and screws. Multipurpose and durable, this set is essential for automotive fasteners, metal fasteners, bolt fasteners, and heavy-duty hardware applications, making your repair and assembly work precise, organized, and long-lasting.
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Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
