Complete Guide to Nut Bolts, Washers & Fasteners
Introduction
Nut bolts, nuts and bolts, and stainless steel bolts and nuts are essential fasteners in construction, manufacturing, and industrial applications. Understanding nut bolt sizes, types of nuts and bolts, and bolt and nut dimensions ensures strong and durable connections. This guide covers everything from fastener selection to nut bolt manufacturers and applications.
What Are Nut Bolts?
A nut and bolt assembly consists of:
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Bolt: A threaded shaft with a head used for fastening.
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Nut: A matching component that secures the bolt.
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Washer: Distributes load and prevents loosening.
These components work together in construction, automobiles, and heavy machinery.
Types of Nuts and Bolts
1. Types of Bolts
| Type | Description |
|---|---|
| Hex Bolt | Six-sided head, commonly used in construction. |
| Carriage Bolt | Rounded head with a square section to prevent turning. |
| Eye Bolt | Features a looped head for lifting applications. |
| Stud Bolt | Fully threaded bolt without a head. |
| Allen Bolt | Uses a hex key for tightening. |
| SS Bolts and Nuts | Corrosion-resistant stainless steel fasteners. |
2. Types of Nuts
| Type | Description |
| Hex Nut | Standard six-sided nut for general applications. |
| Lock Nut | Prevents loosening due to vibrations. |
| Wing Nut | Hand-tightened without tools. |
| Flange Nut | Built-in washer for even pressure distribution. |
| Dome Nut | Covers exposed threads for safety. |
| SS Nut Bolt | Stainless steel fasteners for durability. |
3. Types of Washers
| Type | Description |
| Flat Washer | Distributes load evenly. |
| Spring Washer | Prevents loosening. |
| Lock Washer | Provides extra security. |
| Nut Bolt Washer | Ensures stability in fastening applications. |
Nut Bolt Size Chart
| Bolt Size | Thread Diameter (mm) | Nut Size (mm) |
| M6 | 6 | 10 |
| M8 | 8 | 13 |
| M10 | 10 | 17 |
| M12 | 12 | 19 |
| M16 | 16 | 24 |
| M20 | 20 | 30 |
| M24 | 24 | 36 |
| M30 | 30 | 46 |
Applications of Nut Bolts
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Construction: Used in structural frameworks and bridges.
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Automotive: Essential for vehicle assembly and repairs.
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Industrial Machinery: Fastens critical moving parts.
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Home Improvement: Common in DIY projects and furniture.
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Aerospace: Specially designed stainless steel nut bolts for aircraft.
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Electrical Installations: Used in circuit boards and power distribution.
Top Nut Bolt Manufacturers
Looking for nut and bolt manufacturers? Here are some top suppliers of stainless bolts and nuts:
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Udhhyog (Delhi-based supplier)
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LPS Fasteners
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Sundram Fasteners
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Unbrako Bolts
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TVS Fasteners
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Precision Screws
FAQs
1. What are the different types of nuts and bolts?
Common types include hex bolts, eye bolts, flange nuts, stainless bolts and nuts, and threaded screws.
2. How do I choose the right nut bolt size?
Refer to the nut bolt size chart to determine the correct bolt and nut dimensions.
3. What is the difference between a screw and a bolt?
A bolt requires a nut, while a screw is self-tapping and doesn’t need a nut.
4. Why use stainless steel bolts and nuts?
They are corrosion-resistant, making them ideal for outdoor and marine applications.
5. What are bolts and washers used for?
Washers distribute pressure, prevent damage, and reduce loosening under vibrations.
6. What is an Allen bolt?
An Allen bolt has a hex socket head and requires an Allen key for tightening.
7. What are nut bolts and washers used for?
They provide secure fastening and prevent loosening in high-vibration applications.
Conclusion
Selecting the right nut bolts, bolts and washers, stainless steel bolts and nuts, and fasteners is crucial for durability and strength. Always source from trusted nut and bolt manufacturers to ensure quality and longevity.
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