- 566-Piece Multi-Specification Set: This practical set includes imperial bolts, nuts, and washers, covering #1/4-20, #5/16-18, #3/8-16 (including flat washers and spring washers in #1/4, #5/16, #3/8 sizes) in various lengths
- Sturdy Alloy Steel Material: Made from high-quality alloy steel, offering long-lasting durability and stability. The galvanized finish improves corrosion resistance, ensuring the bolts and nuts remain rust-free and perform well under various conditions
- Precision Manufacturing: Each component is precisely machined to U.S. grade 5 mechanical performance and with a 48-hour salt spray test, these bolts and nuts provide reliable fastening and won’t loosen or degrade over time
- Quick Part Identification: Comes with 3 adjustable transparent storage boxes. Each compartment is labeled for easy identification of different sizes, improving sorting, retrieval, and overall work efficiency
- Versatile Use: Ideal for home repairs, DIY projects, and maintenance tasks such as furniture assembly, vehicle repair, and instrument fixing. A must-have for your toolbox
- Item Model Number
- 566 UNCUNF Carbon Steel
- Part Type
- Imperial
- Material Type
- Alloy Steel
- Total Number of Parts
- 566 Pieces
- Color
- White
- Mechanical Performance Grade
- U.S. Grade 5
- Main Material
- Alloy Steel (35K)
- Item Weight
- 7.50 lbs / 3.4 kg
- Item Dimensions (LxWxH)
- 10.83×7.28×1.77 inch / 275x185x45 mm
Comprehensive 566-Piece Imperial Multi-Specification Set with Complete Hardware
With imperial bolt sizes #1/4-20, #5/16-18, and #3/8-16, along with nuts and washers in different lengths, this 566-piece set has everything you need to put things together. The set has flat washers and spring washers in sizes #1/4, #5/16, and #3/8. There are different lengths of threads for a variety of assembly needs, from joining furniture pieces together to fixing equipment.
The imperial system of sizes perfectly fits the measurements of American furniture, equipment, and vehicles, and the wide range of washers ensures proper joint mechanics. The all-hardware method eliminates the need for additional purchases and provides the best assembly performance in all situations.
High-Quality Alloy Steel Construction with Galvanized Corrosion Protection
Each part is made from high-quality alloy steel (35K), which is very strong and stable, so it works well for a long time. The galvanized white finish makes the bolts and nuts much more corrosion-resistant, so they don’t rust and work efficiently in a wide range of conditions. This 7.50-pound assorted nut and bolt kit comes with many fasteners in a compact 10.83-by-7.28-by-1.77-inch package.
The alloy steel makes it less likely to break or come loose over time, and the galvanized finish protects it better than regular plating. The professional look of the white finish is maintained while providing the corrosion protection needed for both indoor and outdoor use.
Precision Manufacturing with U.S. Grade 5 Mechanical Performance Standards
Precision machining and quality control are used in advanced manufacturing methods to make sure that every part meets the requirements for U.S. grade 5 mechanical performance. Passing the 48-hour salt spray test demonstrates that the bolts and nuts are corrosion-resistant and will securely hold items in place without loosening or corroding over time.
Quality control tests ensure that all production runs meet mechanical performance standards, and the grade 5 guideline ensures that the strength characteristics are just right. Manufacturing accuracy eliminates problems like cross-threading and poor fit, and it works reliably in tough situations.
Efficient Storage System for Assorted Nut and Bolt Kits with Quick Part Identification
Three clear storage boxes that can be adjusted to different sizes make it easy to keep track of supplies. Because the dividers are adjustable, the storage area can be adjusted to fit the needs of the inventory and its use.
The clear design lets you see what’s inside, and the clear size labels on the lid make it easy to find parts right away. This method for organizing things makes projects much more efficient by reducing search time and preventing parts from getting mixed up, which slows assembly.
Versatile Application Range for Professional Assorted Nut and Bolt Kits
This large collection of fasteners can be used for many purposes, including home repairs, do-it-yourself projects, and routine maintenance. The wide range of hardware options helps put together furniture, and the ability to fight corrosion is useful for fixing cars. Fixing instruments and maintaining equipment depend on grade 5 standards and precise manufacturing to function properly.
These assorted nut and bolt kits are great for home toolboxes because they can be used in many different ways. Organized storage is helpful for daily repair work, and imperial measurements are ideal for American-made furniture, auto parts, and mechanical tools.
High-Strength Alloy Steel Performance with Permanent Fastening Solutions
Because the pieces are made of high-strength alloy steel, they won’t break or come loose over time. The alloy’s superior mechanical properties enable strong connections between dissimilar materials. Its composition can also handle dynamic loads and vibrations without breaking down. This strength feature can withstand impact loads and heat cycling without compromising the joint.
The material’s specs ensure it performs consistently under load and prevents thread stripping, which can happen with lower-quality fasteners. Safety-critical applications continue to operate properly for long periods thanks to reliable mechanical performance.
Toolbox-Ready Design with Comprehensive Hardware Backup
This kit’s small size and light weight make it perfect for keeping in a toolbox as extra hardware. The large number ensures that the right fasteners are always on hand for emergency repairs, and the well-organized storage keeps projects from running behind schedule. Having all the different kinds of hardware in one handy kit makes daily fixing jobs easier.
The useful design can be used for a wide range of project needs, from putting together furniture to fixing machines and keeping cars in excellent shape. Essential hardware availability reduces trips to hardware shops and provides high-quality parts for professional results.
Complete hardware solution that meets Imperial standards
The complete assorted nut and bolt kits come with all the fixing parts you need, so you don’t have to buy anything else and can be sure you’re putting it together correctly. For furniture, tools, and vehicles, Imperial part specifications are the same as American manufacturing standards.
It’s easy to find the right parts when you have a wide range of options that meet the needs of each application. The imperial standards ensure it works with American-made equipment already in use, and the large inventory supports both planned projects and fixes that need to be done right away.








































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