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25Pcs Black Phosphate Hex Nuts ready to upgrade your hardware collection. These metric hex nuts are engineered for performance, featuring an 8-1.25mm screw size, a 13mm hex head, and a built-in 18mm outside diameter washer for optimal pressure distribution.
Each black hex nut is finished in durable black phosphate, offering an attractive look while protecting against rust and corrosion. Whether you're working on a mechanical repair, home improvement project, or industrial task, these phosphate nuts are up to the challenge.
Crafted from premium-grade steel, they’re strong, reliable, and ready to lock in tight with any black hex bolt nut. These thread nuts are ideal for professional tradesmen, mechanics, and DIY enthusiasts alike.
Add the MAIN ST COLLECTIVE hex nut set to your toolkit and experience the perfect combination of form, function, and finish.
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).
