QSJ

4.9

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When purchasing a product, price is the consumer's primary concern. At present, QSJ has 15 products for sale. QSJ products range in price from $5.97 to $9.97, and the average price of all the products is about $8.17. It's affordable for most consumers, and you can feel free to pick your favorite products.

We found that most of the QSJ products are manufactured by qsj-nut. The manufacturer provides QSJ with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase QSJ products from the seller Tenyoo-US. The brand holds an average rating of 4.88, testifying to its excellent reputation.

QSJ Best Sellers

Last Updated: Jan 8, 2026

QSJ 26 Sets Flat Plate Straight Bracket Flat Brace Bracket Stainless Steel, 36mm/46mm/56mm/76mm Wood Brackets Mending Repair Plate Brace

Braces & Joist Hangers

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[Product Package] Our 26pcs set of straight corner brace brackets, complete with 8 pcs of 1.42''/36mm length, 6 pcs of 1.81''/46mm length, 6 pieces of 2.2''/56mm length, and 6 pcs of 3''/76mm length, all with a thickness of 1.6mm.

[Durable and Strong] Made with high quality stainless steel, our corner brace brackets are built to last and provide reliable support for your projects.

[Versatile] With a variety of sizes included in the set, you'll have the perfect bracket for any job, whether it's a small DIY project or a larger construction job.

[Easy to Install] Our set comes with 64 screws, making installation quick and easy. Plus, the straight design of the brackets allows for a seamless and professional look.

[Satisfaction Guaranteed] We stand behind the quality of our product and offer a satisfaction guarantee. If for any reason you're not happy with your purchase, we'll make it right.

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QSJ 130Pcs Threaded Inserts Heat Set Inserts Kit M3x4x5 Brass Insert Nut with Soldering Iron Tip for 3D Printed Plastic Materials

Nut Inserts

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[Packaging] : Each set includes 130 high-quality brass threaded inserts, each measuring M3x4x5, accompanied by a soldering iron tip for easy installation.

[Premium Material] : Crafted from high-quality brass, these threaded inserts ensure durability and excellent performance, making them ideal for various 3D printing plastic materials.

[Easy to Use] : Pre-drill a pilot hole in the target plastic material. Using a soldering iron, heat up the insert until it reaches the Tm. Align it with the pilot hole and firmly press it into the plastic material. Apply slight downward pressure to ensure proper embedding. Allow it to cool down and solidify within the plastic material.

[Versatile Application] These threaded inserts are perfect for a wide range of applications, such as securing parts in 3D-printed prototypes, reinforcing plastic joints, or adding threaded inserts to plastic components.

[Reliable Fastening Solution] : By embedding these threaded inserts, you can achieve a strong and reliable connection, enhancing the structural integrity of your plastic products and ensuring they withstand stress and tension.

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QSJ 16 Pack Black Flat Mending Plate 2.36x1.49'', Stainless Steel Bracket, Straight Metal Brace Bracket, Fixing Joining Plate for Wood Furniture Fastening & Fixing

Braces & Joist Hangers

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[Product Dimensions] You will receive 16pcs brackets, 64pcs screws.Size: 2.36''(60mm) x 1.49''(38mm) ,0.06'' thick, providing strong support for your furniture.

[Durable Material] Made of high-quality stainless steel, these corner braces are rust-resistant and built to last. They can withstand wear and tear, making them perfect for long-term use.

[Sleek Matte Black Finish] The elegant matte black coating adds a touch of modern sophistication to your furniture. It not only enhances the aesthetics but also complements a wide range of interior styles.

[Versatile Use] These corner braces can be used to reinforce and secure various types of furniture, such as cabinets, bookshelves, and tables. They are also suitable for DIY projects and home repairs.

[Quality Service Guarantee] We aims to provide high service to customers. If you have any problem at all, please feel free to contact us. We will help solve your problem.

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QSJ 120PCS #8 x 1/2'' Sheet Metal Screws 410 Stainless Steel Hex Washer Head Fast Self Tapping Screws with Screwdriver Bit Silver

Sheet Metal Screws

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[120pcs #8 Self drilling screws] Hex Washer Head. Length: 1/2''(13mm).

[Durable Material] Made from high-quality 410 stainless steel, these screws are resistant to corrosion and rust, ensuring long-lasting durability.TIPS:They are stainless 410 Stainless so they are also still magnetic, unlike 300 series stainless which is non-magnetic.

[Versatile Use] Whether you're working with metal or wood, these screws are perfect for a wide range of applications, making them a must-have for any DIY enthusiast or professional.

[Precision Design] The external hex head and drill point at the tail ensure a precise and secure fit, preventing slippage and ensuring a strong hold.

[Large Quantity] With 120pcs in each box, you'll have plenty of screws to complete your project, making these screws a cost-effective choice for any job.

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200Pcs Threaded Inserts Bolt Set 100pcs M3x4x5 Heat Set Insert Brass Nut with 100pcs Bolt for 3D Printed Plastic Parts

Nut Inserts

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[Package] 200pcs set with 100 M3x4x5 threaded inserts, 100 M3x5 bolts, and M3 soldering iron tips for precise assembly.

[Material] Our threaded inserts are crafted from durable brass, offering excellent resistance to corrosion and wear, while the bolts are made from high-quality stainless steel, providing superior strength and longevity.

[Enhanced Performance with Combined Use] Using the inserts and bolts together maximizes the holding power and structural integrity of your assemblies. The threaded engagement between the brass inserts and stainless steel bolts creates a robust connection, reducing the risk of loosening over time and ensuring long-lasting durability.

[Sufficient Amount ] With 200 pieces in total, ensuring you always have the right fastener on hand when you need it.

[Ideal for 3D Printing Applications] Perfectly suited for securing 3D-printed parts, this set allows for strong and secure connections that maintain the integrity of your projects. Whether you're assembling intricate models or functional prototypes, these fasteners provide the stability and precision required.

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QSJ 240Pcs Threaded Insert Bolt Assortment kit 120Pcs M3 x L4 x D5 Heat Set Brass Nut, 120Pcs M3 x 5 Stainless Steel Black Bolt for Industrial 3D Printing Projects

Nut Inserts

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[Complete Kit for Secure Fastening] Includes 120 M3 x L4 x D5 brass heat-set inserts, 120 M3 x L5 black stainless steel bolts, and 1 M3 soldering iron tip — all in a compact dual-compartment box.

[Durable Materials] Brass threaded insert offer excellent wear resistance, and 304 stainless steel bolts ensure strong corrosion resistance and long-lasting performance.

[Simple and Efficient Installation] First install the heat-set nut by heating it with a heated soldering iron until the plastic part melts slightly, letting the nut settle into the pre-drilled hole.As it cools, insert the black bolt and screw it into the nut.

[Perfectly Matched Pair] The M3×L5 bolt fits precisely with the M3×L4×D5 threaded insert, ensuring a tight, stable connection and reducing the risk of stripping or loosening.

[Perfect for 3D Prints] Great for reinforcing joints in 3D printed enclosures, models, and accessories — widely used in prototyping, hobby builds, and more.

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QSJ 180Pcs Threaded Inserts Heat Set Inserts Kit M2.5x4x3.5 Brass Insert Nut with Soldering Iron Tip for 3D Printed Plastic Materials

Nut Inserts

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[Packaging] : Each set includes 180 high-quality brass threaded inserts, each measuring M2.5x4x3.5, accompanied by a soldering iron tip for easy installation.

[Premium Material] : Crafted from high-quality brass, these threaded inserts ensure durability and excellent performance, making them ideal for various 3D printing plastic materials.

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QSJ 40 Pack Black Corner Braces Flat Bracket Set 1.42/1.81/2.2/3inch Stainless Steel Metal Plate for Wood

Braces & Joist Hangers

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[Various Size] : Our 40-pack bracket set comes in various sizes to meet your specific needs. 20 pcs 1.42'', 8 pcs 1.81'', 6 pcs 2.2'', and 6 pcs 3''. This diverse range of sizes ensures that you have the right brace for any furniture project.

[Superior Strength] : Made from sturdy stainless steel with a thickness of 1.6mm, these corner braces provide excellent strength and stability.

[Making Installation a Breeze] The set comes with 92 M4 screws, allowing for easy and secure attachment of the corner brackets to your furniture.

[Matte Design] : The high-end matte design makes the corner brackets and items more harmonious and unified.

[Practicability] : Whether you're working on cabinets, shelves, tables, or any other furniture piece, our corner brackets provide versatile support.

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QSJ 155PCS #8 Sheet Metal Screws Set 410 Stainless Steel Hex Washer Head Fast Self Tapping Screws with Screwdriver Bit Silver

Sheet Metal Screws

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[#8 Hex Washer Head Screw Set] The versatile set includes screws of four different lengths. Length: 1/2 "(13mm), 40pcs. Length: 5/8 "(16mm), 40pcs. Length: 3/4 "(19mm), 40pcs. Length: 1 "(25mm), 35pcs. Generous pack of 155 screws.

[Durable Material] Constructed from high-quality 410 stainless steel for long-lasting performance. TIPS: They are stainless 410 Stainless so they are also still magnetic, unlike 300 series stainless which is non-magnetic.

[Secure Hold] The external hex head and drill point at the tail ensure a precise and secure fit, preventing slippage and ensuring a strong hold.

[Convenient Packaging] Our screws come in a handy 5-grid case, making it easy to keep them organized and accessible for your next project.

[Versatile] Our screws set comes with a hexagonal screwdriver, making installation easier than ever. Perfect for use with metal sheets and wooden boards, etc.

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QSJ 200PCS #8 Sheet Metal Screws Set 410 Stainless Steel Fast Self Tapping Screws with Screwdriver Bit Silver

Sheet Metal Screws

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[Versatile Selection] The set includes 50 truss head screws each in 1/2''(13mm) and 3/4''(19mm) length, and 60 hex head screws at 1/2''(13mm) and 40 screws at 3/4''(19mm), providing a range of sizes for multiple applications. Generous pack of 200 screws.

[Fully Equipped] The set comes with both a cross driver and a hex driver, making installation easy and versatile.

[Convenient Packaging] Our screws come in a handy 5-grid case, making it easy to keep them organized and accessible for your next project.

[Adaptability] With both truss head and hex head screws in various sizes, this set is perfect for numerous scenarios, from professional construction tasks to DIY home projects.

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QSJ 4 Pack Flat Straight Bracket Mending Plate for Wood Stainless Steel Straight Brackets 125mm / 4.9" Wood Brace with Screws

Braces & Joist Hangers

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[Optimal Size] With dimensions of 4.9x0.78'' and a thickness of 0.09'', these corner braces offer excellent stability and are suitable for furniture of varying sizes.

[High-Quality] Our corner braces are crafted from premium, rust-resistant stainless steel, ensuring long-lasting durability and strength in various environments.

[Easy Installation] Each set comes with screws, allowing for hassle-free setup. These braces can be installed easily even by non-professionals, making DIY repairs more convenient.

[Versatile Application] These corner braces are perfect for various tasks, such as furniture repair, woodworking projects, DIY tasks, and more. They bring extra stability and reinforce joints or connections in your projects.

[Set Package] Our product comes in a set of 4, providing a cost-effective solution for your repair needs. Multiple corner braces in one package allow for multiple uses in different applications.

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QSJ 25PCS Flanged Hex Head Bolts M6*16 Flange Hexagon Screws 304 Stainless Steel External Flange Hex Drive Screws

Hex Bolts

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[25Pcs M6x16 Hex Bolt] Featuring a hex flange head with a diameter of 13.5mm and a 10mm hexagonal diameter, providing better grip and prevents damage to the surrounding surface, ensuring easier and more secure fastening.

[304 Stainless Steel] Made from high-quality 304 stainless steel, these bolts offer excellent corrosion resistance and durability, ensuring long-lasting performance in various environments.

[Instant Installation] Each pack includes 25 precisely machined M6 hex flange bolts along with a compatible screwdriver bit, ensuring you have everything needed for seamless installation.

[Enhanced Grip] The hex flange design distributes pressure evenly across the surface during tightening. This not only provides a firmer grip but also minimizes the risk of damaging delicate materials such as wood, plastic, or metal sheets.

[Universal Compatibility] Suitable for a wide range of applications including automotive repairs, furniture assembly, construction projects, and DIY crafts, they cater to diverse needs effortlessly.

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QSJ 300Pcs Hex Nuts Assortment Kit, M3 M4 M5 M6 M8 Hardware Nuts Sets, 8.8 Grade Carbon Steel

Hex Nuts

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[Assorted Packaging] Includes 130pcs M3, 50pcs M4, 50pcs M5, 50pcs M6, and 20pcs M8 hex nuts. A well-balanced set for various fastening needs.

[High-Strength Material] Made from Grade 8.8 black carbon steel, offering excellent tensile strength and long-lasting durability.

[Organized Storage] Comes in a compact 5-compartment plastic case for easy sorting, protection, and quick access to different sizes.

[Versatile Sizing] Multiple metric sizes included in one set, making it ideal for both precision work and heavy-duty applications.

[Wide Range of Use] Perfect for machinery, automotive repairs, DIY projects, furniture assembly, and other mechanical or structural tasks.

QSJ 240 Pack Threaded Insert Bolt Set 120pcs M3 Inserts 120Pcs Hex Socket Bolts Brass Nut 304 Stainless Steel Bolt for 3D Printing Components

Nut Inserts

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[Complete Package] Includes 120 pcs M3×L4×D5 brass threaded inserts, 120 pcs black 304 stainless steel hex socket bolts, a dedicated M3 soldering tip, and a hex key, all organized in a convenient two-compartment box.

[Strength & Durability] Features high-quality brass heat-set inserts for smooth melting and secure bonding, paired with corrosion-resistant 304 stainless steel black hex socket bolts for robust, long-lasting fastening in 3D printed parts.

[Two-Compartment Design] The compact divided case keeps inserts and bolts neatly separated, ensuring tidy storage, quick access, and portability for your workspace or on the go.

[Efficient Application Process] Easily install the insert into plastic parts using the included M3 soldering iron tip, then secure components with the matching black bolts using the provided hex key for a professional result.

[Optimized Combination for 3D Printing] The paired inserts and bolts create strong, reusable threads in printed parts, while the hex socket design ensures superior torque transmission for tighter, more reliable assemblies.

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QSJ FAQs

Is QSJ Legit?

Yes, QSJ is a legitmate brand on Amazon. After conducting a comprehensive analysis of 110 customer reviews for QSJ products on Amazon, we have determined its average rating. With a strong performance and good quality, QSJ has received an average rating of 4.88 from numerous buyers, indicating that QSJ are trustworthy and live up to their claims. Therefore, it is safe to make purchases from QSJ on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

How to find more QSJ products?

If you're interested in QSJ and want to find more QSJ products, you can follow the steps below:

Go back to FindThisBest's homepage.
Type QSJ in the search box and hit Enter to see the search results.
Find and click the correct QSJ to go to the new page.
Select the products you want in the QSJ buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more QSJ products.

How does findthisbest choose the top QSJ products?

We analyze millions of QSJ products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

How can I purchase QSJ products via FindThisBest?

Go to the QSJ page.
Select the product you want in the QSJ buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product QSJ 26 Sets Flat Plate Straight Bracket Flat Brace..., you can view it on Amazon page.
Place your order on Amazon.

Who are the manufacturers of the QSJ products?

Most of the QSJ products are produced by qsj-nut. The manufacturer provides QSJ with a steady supply of products, and they have a good cooperative relationship with each other.

What is the purpose of your brand guide?

Our mission is to provide you with the most up-to-date and objective information about the QSJ products, helping you make more informed buying decisions. We recommend best choices of the products from the QSJ brand, helping you make better shopping choices with less time and energy.

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