Best Steel Locknuts in 2026
Daisy
Last Updated: Feb 9, 2026
Daisy
Last Updated: Feb 9, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.78 | ✅ | ✅ | ✅ |
- Material: 304 Stainless Steel ; - Weight: 50g;
- Hole diameter: 3mm/ 0.12"; - Pitch: 0.5mm;
- Package: 100 x M3 Nylon nuts; - Color: Silver;
- Used for: matching screws & matching bolts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.78 | ✅ | ✅ | ✅ |
- Thread size: M4mm/ 0.16"; - Pitch: 0.7mm;
- Package: 50pcs x M4 Nylon Lock nuts; - Color: Black;
- Material: Q215 Carbon Steel ; - Weight: 40g;
- Used for: matching screws & matching bolts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.78 | ✅ | ✅ | ✅ |
- Material: 304 Stainless Steel ; - Weight: 30g;
- Hole diameter: 4mm/ 0.16"; - Pitch: 0.7mm;
- Package: 40 x M4 Nylon nuts; - Color: Silver;
- Used for: matching screws & matching bolts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.78 | ✅ | ✅ | ✅ |
- Used for: matching screws & matching bolts;
- Hole diameter: 6mm/ 0.24"; - Pitch: 1mm;
- Material: 304 Stainless Steel ; - Weight: 80g;
- Package: 35 x M6 Nylon nuts; - Color: Silver.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.78 | ✅ | ✅ | ✅ |
- Package: 30 x M6 Nylock nuts; - Color: Black;
- Thread size: M6mm; - Pitch: 1.0mm;
- Material: Q215 Carbon Steel ; - Weight: 60g;
- Used for: matching screws & matching bolts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.77 | ✅ | ✅ | ✅ |
- Name: 10-32 Nylock; - Thread Diameter: #10; - Thread Pitch: 32 teeth per Inch (Fine);
- Material: 304 Stainless Steel ;
- Package: 100 x 10-32 Nylon nuts; - Color: Silver;
- Used for: matching screws & matching bolts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WindFly | 9.78 | ✅ | ✅ | ✅ |
- Hole diameter: 2mm/ 0.08"; - Pitch: 0.45mm;
- Material: 4.8 Grade Carbon Steel ; - Weight: 30g;
- Package: 100 x M2.5 Nylon Lock nuts; - Color: Black;
- Used for: matching screws & matching bolts.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Binifimux | 7 |
We've carried out a comprehensive analysis of 2,692 reviews on locknuts, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select locknuts priced around $7.06, with top brands including e-z lok, aspen hardware-locknuts, glvaner, hard-to-find fastener, bayidun, binifimux, eastlo and mewudecor and swpeet
Our team of expert editors reviewed these high-quality items and handpicked the top 7 locknuts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include aspen fasteners llc, gvn online, amazon.com, babaorui, windfly, eastlo and mewudecor online and swpeet .
We are dedicated to assisting our users in finding the right locknuts Products based on their needs, saving them considerable time when choosing which locknuts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
