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Upgrade your hardware collection with the MAIN ST COLLECTIVE 100Pcs Zinc Finish Push On Retainers, engineered for strength, durability, and ease of use. These zinc push nuts are designed to fit 3/16 inch stud sizes and feature a 7/16 inch flange for secure and stable retention in various applications. Whether you're handling routine vehicle maintenance or tackling custom DIY hardware projects, these push on fasteners deliver fast and efficient results. The zinc coating offers rust resistance while the push-on design simplifies installation—no threading or special tools required. Widely used as automotive fasteners, retaining washers, or push on washers zinc, they are perfect for mechanics, body shops, and home improvement tasks. Keep your components firmly in place with confidence and convenience.
The durable zinc finish offers reliable protection against rust and corrosion, making them ideal for both indoor and outdoor applications. Whether you're working on custom repairs, building from scratch, or replacing old part
Features:
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).
