Square Tapping Screw - Flat Head,#8 x 1"
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Square tapping screw with a flat head for fastening into materials using a self-tapping style thread. Made in 18-8 stainless steel for corrosion resistance in marine environments.
Key Features
- Square (square-drive) tapping screw design
- Flat head for a countersunk/flush-style finish
- #8 x 1" size
- 18-8 stainless steel construction
Intended Use
- Marine fasteners & mounting
- General corrosion-resistant fastening for boats and outdoor projects
- Sheet metal / fiberglass / wood style assemblies where a self-tapping, flat-head square-drive screw is appropriate
Product Details
- Screw type: Square tapping screw
- Head style: Flat head
- Drive type: Square (square-drive)
- Size: #8 x 1"
- Material: 18-8 stainless steel
- SKU: 50-01146
- Variant / package note: One default variant is listed (titled “Default Title”).
Parts Desk Insights
Best Use Case: Use for corrosion-resistant mounting and assembly work where you want the screw to seat with a flat head and you prefer a square-drive engagement.
Common Issues: Common fitment issues include using the wrong pilot hole (if needed for the substrate), overtightening that can strip or crush the material, and mixing incompatible screw sizes for the threaded or tapped holes on mating hardware. Check the mating parts and surrounding material thickness before final installation.
Related Products & Accessories
- Fasteners & Mounting - Browse the Fasteners & Mounting collection for additional marine screws and mounting hardware.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.