Nylon Insert Locknut - Stainless M12-1.75
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Secure and corrosion-resistant fastening for vibration-prone marine and hardware applications—this nylon insert locknut features a stainless steel (18-8) body with an M12-1.75 thread.
Key Features
- Nylon insert lock design helps resist loosening from vibration
- Stainless steel (18-8) for improved corrosion resistance
- Metric thread: M12-1.75
- Standard hex locknut style for straightforward installation
Intended Use
- Marine fasteners and mounting
- General hardware where locking performance is needed
- Outdoor and wet-environment assemblies requiring corrosion-resistant nuts
Product Details
- Product: Nylon Insert Locknut - Stainless M12-1.75
- Brand/line indicated by listing: LNS (SeaChoice)
- Locknut type: Nylon insert (self-locking via nylon insert)
- Thread size: M12-1.75 (coarse)
- Material: Stainless steel (18-8)
- Variant SKU (listing): 50-01229
- Variant weight (listing): 454 grams
Parts Desk Insights
Best Use Case: Use when you want a nut that helps maintain clamp load on threaded connections subject to vibration (common in marine mounting and general hardware builds).
Common Issues: If installed without the correct thread pitch (M12-1.75), it may not thread smoothly. For best results, confirm mating thread compatibility and ensure the nut is seated squarely on the part to avoid uneven loading.
Related Products & Accessories
- Fasteners & Mounting - Category - Browse the Fasteners & Mounting category for matching stainless hardware and related locknuts.
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.