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Types of Nuts and Bolts_ Complete Guide for Beginners (2025) (2)

Discover everything you need to know about nuts and bolts in this easy-to-understand 2025 guide by Udhhyog. Learn about the different types of nuts and bolts, bolt sinut ZE, nut bolt HSN code, and how to read a nut bolt weight chart in kg PDF. This article also explains the clear difference between nut and bolt, standard nut and bolt sizes, and their industrial applications. Perfect for students, engineers, and MSME buyers looking for reliable fastener information in one place.

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Types of Nuts and Bolts_ Complete Guide for Beginners (2025) (2)

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  1. Types of Nuts and Bolts: Complete Guide for Beginners (2025) When it comes to building machines, furniture, or any structure, nuts and bolts are among the most essential fasteners used to hold materials together. Though small in size, they play a major role in ensuring strength, stability, and long-lasting performance. In this guide, we’ll explore the types of nuts and bolts, their uses, the nut bolt HSN code, nut bolt weight chart, and the difference between nut and bolt — explained simply so everyone can understand. What Are Nuts and Bolts? A bolt is a metal fastener with a head on one end and external threads on the other. It is paired with a nut, which has internal threads that match the bolt. Together, they create a tight and secure joint. Difference between nut and bolt: ● A bolt passes through materials and is tightened using a nut. ● A nut locks the bolt in place and keeps it from loosening. This combination is found in almost every mechanical and construction application, from automobiles to bridges. Types of Nuts and Bolts Let’s look at the most common types of nuts and bolts used across industries: 1. Hex Bolt and Nut (Bolt Sinut ZE) One of the most widely used fasteners, bolt sinut ZE refers to zinc-electroplated (ZE) hex bolts that resist corrosion and offer long life. They’re perfect for industrial and construction projects. 2. Carriage Bolts Carriage bolts feature a rounded head with a square neck that prevents them from rotating when tightened. Ideal for woodworking and metal structures.

  2. 3. Eye Bolts Eye bolts have a loop at one end, used for lifting or securing heavy loads. 4. Flange Bolts and Nuts Flange bolts have a washer-like base that distributes pressure evenly. Common in automotive and heavy machinery. 5. Wing Nuts These nuts have “wings” on the sides, making them easy to tighten or remove by hand without tools. Nut and Bolt Sizes Nut and bolt sizes are measured by diameter, length, and thread pitch. For example, an M10 × 1.5 × 50 bolt means: ● 10 mm diameter ● 1.5 mm thread pitch ● 50 mm length Standard sizes range from M5 to M64, depending on the job requirement. Nut Bolt HSN Code For trade, tax, and export purposes, every product has an HSN (Harmonized System of Nomenclature) code. The nut bolt HSN code and bolt nut HSN code both fall under 7318, which includes screws, bolts, nuts, and similar iron or steel fasteners. This code is important for GST invoices and global trade compliance. Nut Bolt Weight Chart A nut bolt weight chart helps calculate weight for various sizes and materials such as Mild Steel (MS), Stainless Steel (SS), or Galvanized Iron (GI). You can find detailed nut bolt weight charts in kg PDF format online, which are extremely useful when ordering in bulk.

  3. Example: Size (mm) Weight (per 100 pcs in kg) Material M6 × 20 1.20 MS M10 × 40 3.80 SS M16 × 60 8.50 GI Quick Difference Between Nut and Bolt Feature Bolt Nut Function Male fastener (outer threads) Female fastener (inner threads) Usage Passes through material Tightens the bolt Shape Usually has a head Hexagonal or circular Example Hex bolt, Eye bolt Hex nut, Wing nut Conclusion Understanding the types of nuts and bolts helps you choose the right fastener for any job. Whether you need bolt sinut ZE for industrial use, or want to refer to a nut bolt weight chart in kg PDF for your project — having the correct knowledge ensures safety, efficiency, and reliability. For all your industrial hardware and fastener needs, trust Udhhyog — India’s reliable B2B platform for steel and industrial supplies. About Udhhyog Udhhyog is India’s trusted platform for B2B supply and credit of industrial steel products. We help MSMEs purchase materials quickly and affordably through our technology-driven platform. We specialize in MS/SS/GI Pipes, Flanges, Pipe Fittings, Valves, Nut Bolts, Cable Trays, Welding Spares, and Safety Items at the best prices. ?Address: Aggarwal Corporate Heights, 1107, Netaji Subhash Place, Shakurpur, Delhi, 110034

  4. ?Contact: +91 9311120784 ?Website: https://udhhyog.com

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