Pay in installments of $5.50 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hillman 5/16 in. Stainless Steel SAE Nylon Lock Nut, 50 Pack5 16" Stainless Steel Nylon Lock Nuts (50 Pack) These Hillman SAE nylon lock nuts feature a durable 18 8 stainless steel construction with a compressible nylon insert to resist vibration and prevent loosening. Ideal for outdoor and marine applications, they deliver best in class corrosion resistance and secure fastening for 5 16 18 coarse threads. Key Features: Corrosion Resistant: 18 8 stainless steel for long lasting performance in harsh

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1427 reviews
Sort
Product Reviews
★★★★★ 5
great
great fit and worked flawless
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 4, 2024
★★★★★ 5
Perfect fit
As advertised perfect match and cheap.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 6, 2024
★★★★★ 5
Good
Works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2024
★★★★★ 1
Cheap
Cheaply made
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025




