
Take advantage of volume discounts on our Aluminum Trim Products:
For large orders, contact Tread-Ware for additional details and to place your bulk order.
At Tread-Ware, we understand that every project has unique requirements. Our Aluminum Diamond Plate Trims are available in custom sizes and colors, so you can choose a piece of trim that complements your specific aesthetic and functional needs. Contact us for more information.
Versatile Length Options
Offered in highly functional 1" and 2" lengths with a 1/8" body width to ensure an optimal bite into diverse substrates.
Durable 18-8 Stainless Steel
Constructed from solid 18-8 alloy to deliver lifelong rust resistance in demanding indoor and outdoor commercial applications.
Ideal Diamond Plate Screws
Custom-profiled to lock down diamond plate sheets tightly against walls, floors, or heavy commercial workbenches without slipping.
True Countersunk Design
The specialized flat head configuration sits 100% flush into your panels, creating a safe, professional, and streamlined appearance.
Economical Pack of 10
Supplied in a precise pack of 10 configuration, offering excellent cost efficiency while reducing unneeded hardware waste.
Clean On-Site Driving
Pre-drilling recommended with a standard metal drill bit to prepare a perfect seat for the countersunk screw head to lock into.
Proudly American Made
Manufactured inside top-tier domestic facilities to guarantee rigorous thread quality, sharp points, and uniform sizing.
Comprehensive Fastening Utility
The premium screw choice for commercial sheet metal contractors, facility managers, and serious DIY workshop modifications.
Total Order Discounts 1-9 Pieces 10-39 Pieces 40 pieces and up List Price 5% Discount 10% ...
Total Order Discounts 1-9 Pieces 10-39 Pieces 40 pieces and up List Price 5% Discount 10% ...
Total Order Discounts 1-9 Pieces 10-39 Pieces 40 pieces and up List Price 5% Discount 10% ...
See how our stainless steel flat head screws deliver an ultra-secure, completely flush mount finish. This short video walks through professional pre-drilling and countersinking techniques, highlights our polished and black finish options, and shows how these 18-8 stainless steel fasteners perfectly secure diamond plate aluminum panels.

What are the primary performance benefits of using 18-8 stainless steel flat head screws?
Our stainless steel flat head screws are forged from premium 18-8 alloy, which provides outstanding tensile strength and superior corrosion resistance. Unlike basic steel or zinc-plated fasteners that rapidly rust, tarnish, and shear under load, these flat head stainless steel screws are built to handle high-moisture commercial environments, exterior weather elements, and heavy physical vibration without degrading.
Why is pre-drilling recommended before driving these flat head metal screws?
Pre-drilling is highly recommended when driving flat head screws for metal to ensure an aligned, damage-free installation. Creating a pilot hole with a standard metal drill bit prevents your aluminum panels from buckling or dimpling under torque. For an absolute flush mount finish, utilizing a countersink bit to carve out a clean recess allows the countersunk head of the ss flat head screw to sit perfectly level with the sheet surface.
How do these fasteners help prevent galvanic corrosion on aluminum diamond plate setups?
Galvanic corrosion occurs when two dissimilar metals (like standard carbon steel and raw aluminum) make contact in the presence of moisture, causing the aluminum to rapidly oxidize and degrade. By utilizing our premium stainless flat head screws, you introduce a highly stable metal interface that significantly reduces this electrochemical reaction. This makes them the ultimate diamond plate screws for securing aluminum tracking safely in wet wash bays or exterior marine settings.
What length sizes do you stock, and how can I customize the appearance of the screw head?
To match a wide range of commercial and residential backing material thicknesses, we stock these stainless steel countersunk screws in two convenient lengths: a 1 inch length for low-profile sheet assemblies and a deep-anchoring 2 inch length for structural framing. To ensure a cohesive look, you can fully customize your purchase by selecting a classic, mirror-brilliant polished finish or a high-durability, baked-on stealth black coating.
Are these counter sunk screws sold individually or packaged in bulk?
To make ordering simple and highly cost-efficient for projects of all sizes, our premium hardware is sold in a standardized pack of 10 configuration. This allows contractors, facility builders, and DIY hobbyists alike to precisely scale their fastener quantities to match their specific architectural trim layout needs without being forced to buy wasteful, oversized bulk commercial assortments.

Available in 1 inch length or 2 inch length with a standard 1/8" shank width to match varying backing material thicknesses.
Forged from industrial-grade 18-8 stainless steel to provide extreme structural longevity and high tensile shear strength.
Engineered with a precise countersunk head geometry that draws down flush against surfaces to eliminate catch hazards entirely.
$2.50