Square Tapping Screw - Flat Head,#8 x 1-1/4"
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You have 30 days to request a return. All sale items are final sale.
18-8 stainless steel square tapping screw with a flat head for fastening marine hardware and other sheet-metal/trim applications.
Key Features
- Square (square-drive) tapping screw style
- Flat head profile for a flush, low-profile finish
- #8 size and 1-1/4 in length
- 18-8 stainless steel construction for corrosion resistance
Intended Use
- Marine fasteners and hardware mounting
- Sheet metal / self-tapping applications where a #8 x 1-1/4" screw is appropriate
- General trim, brackets, and accessory fastening in corrosion-prone environments
Product Details
- Type: Square tapping screw, flat head
- Size: #8
- Length: 1-1/4"
- Material: 18-8 Stainless Steel
- SKU: 50-01147
Parts Desk Insights
Best Use Case: Use for fastening applications where you need a #8 flat-head square-drive tapping screw in 18-8 stainless steel (for example, marine hardware/trim or other projects exposed to moisture).
Common Issues: If the screw won’t bite, confirm the material thickness and that you’re using the correct pilot/starting technique for a self-tapping screw. Also verify you have the right driver engagement for the square-drive head to avoid cam-out.
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- Browse Fasteners & Mounting - Find matching marine screws, washers, and mounting hardware by category.
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.