Best Steel Flange Nuts in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 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 |
|---|---|---|---|---|
| Xia Men Hai Rui Peng | 9.74 | ✅ | ✅ | ✅ |
☛Thread Size: M6(0.24"); Material: Stainless Steel
☛Product Name: Hex Flange Nut; Weight: 83g
☛Package Content: 26Pcs x Hex Flange Nut; Height: 6mm(0.24")
☛Main Color: Silver Tone; Hex Size: 10mm(0.4")(Width)
☛Thread Pitch: 1mm; Flange Diameter: 13mm(0.51")
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| roycemart | 9.90 | ✅ | ✅ | ✅ |
Package Included: 50 PCS M6 Serrated Flange Hex Locknuts
Thread Size: M6 or 6mm; Thread Pitch: 1.0mm
Flange Diameter (max): 14.2mm; Width across Flat Size: 9.78-10mm; Height of Nuts (max): 6mm;
Material: High Quality 18-8 Stainless Steel, great strength and good corrosion resistance to make fasteners last!
Alternatives to one hexagon nut and anti-vibration washer.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Eastlo | 9.93 | ✅ | ✅ | ✅ |
Thread Size：#10-24; Thread Pitch: 24 TPI; Thread Type: Coarse Thread UNC
Hex Drive Size: 3/8 inch; Package Includes: 50 PCS
Made of 304 stainless steel 18-8 ( no coating outside) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
Serrations help grip the material surface for easy installation and provide mild vibration resistance.
Height: 0.219 inch or 5.56mm; Flange Diameter: 0.5 inch or 13mm;
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fullerkreg | 9.82 | ✅ | ✅ | ✅ |
Metric or Imperial?: Metric
Thread Size: M6 (6mm)
Nut Width AF (F): 9.57mm
Overall Length (T): 8.74mm - 9.10mm
Material: A2 Stainless Steel
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| whongfeng | 4.52 | ✅ | ✅ | ✅ |
Product Name: Flange nut (fine teeth), for the fine flange nut, the fine nut has good retreat, suitable for anti-vibration, easy to adjust the gap, suitable for the place where the gap or torque should be adjusted.
Main color: silver tone; material: 304 stainless steel; Weight: 88 grams
Thread diameter: M10 / 0.39"; pitch: 1.25mm; please refer to the drawing for detailed dimensions.
Measuring system: metric; hex width: 15 mm / 0.59 inches
Package Content 8pcs xFlange nut (fine teeth)--If you have any questions when you receive the product, please contact me, I will definitely give you a satisfactory answer and solution!《Look for it when you buy--Libertyyouxiangongsi store, other third-party prices are not products of this store, please pay attention!》
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ALBERT GUY | 9.79 | ✅ | ✅ | ✅ |
☛【304 Stainless Flange Nuts Assortment Kit】: The nuts are made of high-quality 304 stainless steel, corrosion and rust resistant, suitable for humid environment.
☛ 【Hardware Nuts Package】：The Package Contains 7 Sizes, Included: M3 M4 M5 M6 M8 M10 M12
☛【Widely Application】: There is a wide flange at one end of the flange nut, which increases the bearing surface of the nut and is not easy to loosen. It can be used to replace the hex nut and shock-proof washer. It is widely used in automobiles, motorcycles, generators, home appliances and other projects.
☛【PLASTIC HEAT SEAL PACKAGING】: Practical and convenient of packing box, All of nuts are packed in a durable and sturdy box, this box can be use for a storage box.
☛【RELIABLE QUALITY AND SERVICE】: DANA FRED provides service for our product quality problem,such as broken problem. If unfortunately the box is broken on shipping way, please contact us, we will provide a satisfying solution.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ThreeWKA | 5.33 | ✅ | ✅ | ✅ |
Excellent quality: Nut Material: High Quality Rubber with Brass Nut; Screw Material: 304 Stainless Steel; Authentic materials are guaranteed.
Superior applicability: The above materials Good rust resistance, corrosion resistance, Great for Motorcycle, Kayaks, Canoes, Boats, and other Water or outdoor application.
Application Functions: M5 neoprene well nut & stainless screw grip range 0.4-4.9mm, and This detachable screw anchor is suitable for plates, such as glass, metal, plastic plates, etc.
Easy to Install: Screw the stainless steel screw tapping nail from the flange surface and tighten it.
Your Services: Your satisfaction is our biggest support, please confirm the specifications you need before buying the product, if you have any questions, please contact us, we will deal with you as soon as possible.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SYKRSS | 9.90 | ✅ | ✅ | ✅ |
Exhaust manifold Stud Bolt Nut Gaskets Kit is designed compatible with Honda Acura B, C, D, F, H series engines. also works for the intake manifold; You can also remove the gasket (exhaust manifold stud designed compatible with Ford 4.6 & 5.4 Liter V8 Engine)
Standard 304 stainless steel studs and serrated flange nuts kit is great replacement for your orginial stud and bolt that are rusted and broken
Exhaust manifold stud nuts kit thread size, M8*1.25MM, also fit other vehicle, such as Chevrolet, GMC, Dodge and so on. Please Check and measure the lengths(50mm) and thread sizes(M8*1.25MM) needed for your specific vehicle application
The exhaust manifold bolts and studs kit has been heat-treated for enhancing its stable performance and durability. All parts are engineered and tested to meet or exceed original standards and performance
We value your shopping experience, If you encounter any problems in installing the exhaust manifold stud bolt nut kit, you can feel free to contact us via Amazon Mail. We provide 24-hour mail service and will help you as soon as possible
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hincell Shop | 7.87 | ✅ | ✅ | ✅ |
☛Product Name : Hex Flange Nut;Fastener Type : Hex Serrated Flange Nut;Thread Diameter : M8/ 5/16"； Included: M8 Hex Flange Nut 25pcs & Washer 25pcs & Spring Lock Washer 25pcs.Packing Quantity: 75pcs.
☛Thread Pitch : 1.25mm;Flange Diameter (d1) : 18mm/1";
☛Width Across Corner Size (e) : 14mm/ 9/16"
☛Stainless Steel: The nuts are made of high-quality 304 stainless steel, corrosion and rust resistant, suitable for humid environment. This material also has high strength and high hardness, will not be damaged under high pressure, and can be used for a long time.
☛Widely Application: There is a wide flange at one end of the flange nut, which increases the bearing surface of the nut and is not easy to loosen. It can be used to replace the hexagonal nut and shock-proof gasket. It is widely used in automobiles, motorcycles, generators, home appliances and other projects.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Aoesin | 9.95 | ✅ | ✅ | ✅ |
Standard: DIN 6923
Thread Size: M5-0.8; Thread Pitch: 0.8mm; Thread Type: Coarse Thread UNC
Hex Drive: 8mm; Package: 50 pcs
Head Height: 5mm
Material: 304 Stainless Steel 18-8 that you will probably see in your pans and cookery tools. It's used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316, it's also used for nuts, bolts, screws and other fasteners.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ALEOED | 9.89 | ✅ | ✅ | ✅ |
Nut Type: Hex serrated flange nut(Fine thread); Thread diameter: M10 / 0.39"; Pitch: 1.25mm; Hex width: 15 mm / 0.59"; Measuring system: metric.
Self-locking serrated flange digs into the material being fastened to help prevent loosening.
Made of high quality stainless steel 304, provides good strength and corrosion resistance in bad environments.
Flange Nuts have flat and serrated designs designed to act as an integrated, non-spinning washer, eliminating the need for a separate washer. Serrated flange nuts are fabricated with a built in serrated washer that resist loosening due to vibration.
Package Included: 8 PCS M10 x 1.25mm serrated flange hex nuts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ALEOED | 9.89 | ✅ | ✅ | ✅ |
Nut Type: Hex serrated flange nut(Fine Pitch); Thread diameter: M12 / 0.47"; Pitch: 1.25mm; Hex width: 15 mm / 0.59"; Measuring system: metric.
Self-locking serrated flange digs into the material being fastened to help prevent loosening.
Made of high quality stainless steel 304, provides good strength and corrosion resistance in bad environments.
Flange Nuts have flat and serrated designs designed to act as an integrated, non-spinning washer, eliminating the need for a separate washer. Serrated flange nuts are fabricated with a built in serrated washer that resist loosening due to vibration.
Package Included: 4 Pieces M12 x 1.25mm serrated flange hex nuts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Libertyyouxiangongsi | 7.83 | ✅ | ✅ | ✅ |
Product name: Flange nuts (fine teeth), used for thin flange nuts. The thin nuts have good retreatability, are suitable for anti-vibration, the gap is easy to adjust, and is suitable for places where the gap or torque needs to be adjusted.
Main color: silver tone; material: 304 stainless steel; weight: 60 grams
Thread diameter: M8 / 0.31 inch; pitch: 1.0mm; for detailed dimensions, please refer to the drawing.
Measuring system: Metric; Hexagon width: 13 mm/0.51 inch
Package content: 12 x flange nuts M8x1.0 (fine teeth) "Product guarantee: It is definitely what you bought. If there are any problems with this product, please contact me and give you a 100% satisfactory answer! 》
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SG TZH | 9.86 | ✅ | ✅ | ✅ |
VALUE PACKAGING AND EASY TO USE - This Stainless Flange Nuts package contains 100Pcs , They are ideal for use at home, in the office or at work.
Product Size - Nuts Diameter: 0.496"; Nuts height: 0.227"; Flange Diameter: 0.582"; Hex Drive Size: 7/16". Please check specfication by picture 2
RUGGED AND DURABLE - SG TZH Flange Nuts made of high-quality 18-8(304)Stainless Steel，which has higher corrosion resistance and anti-rust effect than ordinary nuts, longer service life, not easy to damage, more solid.
Serrations - Serrations help grip the material surface for easy installation and provide mild vibration resistance.
INTIMATE SERVICE - SG TZH focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GVN Online | 9.89 | ✅ | ✅ | ✅ |
Thread Size: 10mm; Thread Pitch: 1.5mm; Thread Type: Coarse Thread; Thread Coverage: Full Thread
Hex Drive Size: 15mm; Package: 12 pieces
Material: 304 stainless steel (A2-70) and no exterior finish, greater strength and corrision resistance performance than regular stianless steel or zinc plated fasteners.
Nut Heigth: 10mm; Flange Head Diameter: 21.8mm; Feel free to contact us if you have no idea about what size to choose.
Alternative to a hex nut and an anti-vibration washer. Ideal use for applications under vibration. You could also find the matched screws with different head types in our shop.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| YuGtcen | 6.32 | ✅ | ✅ | ✅ |
Premium Quality: The Made of high quality stainless steel M3-M12 which offers a high level of chemical and corrosion resistance.
Hardwear Nut Type: Hex Serrated Flange Nut;
Size: M10 Pitch of thread is 1.25 mm. Inside Diamter 14.8mm, Outside Diameter 20.4mm.
Package Included: Bull quantity of Serrated Flange Hex Nuts for you to use, meet your daily hand work needs.
Application: Flange Nuts are great to have around for use in wood and wet environments.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Firecat | 9.04 | ✅ | ✅ | ✅ |
[DIMENSIONS] Type: serrated flange nuts; Standard: ANSIB18.2.2; Material: 18-8 (A2, 304) Stainless Steel; Dimensions: #8-32; Quantity: 50 pcs.
[MATERIAL] 100% Made of high quality 304 stainless steel (also known as 18-8 or A2 stainless steel), they have good corrosion resistance, rust resistance and high hardness, which provides a longer service life, can be used indoor and outdoor, even in humid environment.
[FEATURE] Flange works like a washer to distribute the load. Serrations can help grip the material surface and prevent the nuts from loosening due to vibration.
[APPLICATION] Easy installation for mild vibration environment. Can be used in machinery, electrical appliances, automobile, shipbuilding and etc.
[NOTE] Small parts included, please keep away from children and pets.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TICONN US | 9.93 | ✅ | ✅ | ✅ |
[PREMIUM MATERIAL] Our TICONN rivet nut kit is made from premium quality zinc plated carbon steel. Guaranteed worry-free rust-free user experience.
[COMPATIBILITY] The rivet nuts are compatible with most rivet nut tools on the market. Knurled under the flange design made them easier to be applied and stay in place without moving
[SIZE INCLUDED] This rivnut tool kit includes SAE UNC 1/4"-20 rivet nuts 70pcs
[WIDE APPLICATION] These rivet nuts can be applied to many different kinds of materials such as sheet metal, steel plates, aluminum plates, stainless steel plates, plastic sheets, and fiberglass sheets. Great for auto maintenance aftermarket modification and DIY hobby projects
[TICONN BRAND QUALITY COMMITMENT] – We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and 12-month warranty. 100% Satisfaction Guarantee for risk-free shopping!
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Aleoed | 2 |
| Libertyyouxiangongsi | 2 |
| Aoesin | 1 |
| Dana Fred | 1 |
| Eastlo | 1 |
| Espeeder | 1 |
| Fullerkreg | 1 |
| Glvaner | 1 |
| Hincell | 1 |
| Oturgc | 1 |
We've carried out a comprehensive analysis of 2,587 reviews on flange nuts, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select flange nuts priced around $11.05, with top brands including spzcdza, eastlo, glarks, aleoed, the hillman group, hard-to-find fastener, yugtcen and roycemart and stormcube
Our team of expert editors reviewed these high-quality items and handpicked the top 18 flange nuts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include xia men hai rui peng, eastlo, connectors & wire & tools, aleoed, amazon.com, yugtcen and roycemart and firecat .
We are dedicated to assisting our users in finding the right nuts Products based on their needs, saving them considerable time when choosing which flange nuts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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