Fastener Bolts: Types, Uses & Best Manufacturers

 

What Are Fastener Bolts?

Fastener bolts are threaded fasteners used to join materials securely in construction, automotive, and industrial applications. They provide high tensile strength and reliability for various structural needs.


Types of Fastener Bolts

TypeFeaturesCommon Applications
Hex BoltsSix-sided head, strong gripMachinery, construction
Carriage BoltsRound head, square neckWood and metal fastening
Anchor BoltsEmbedded in concreteStructural foundations
Flange BoltsIntegrated washerAutomotive, heavy-duty machines
Eye BoltsLoop at one endLifting, rigging applications
U-BoltsU-shaped with threadsPipe and tube fastening

Choosing the Right Fastener Bolt

Consider These Factors:

Material: Stainless steel, carbon steel, or titanium based on strength needs.
Thread Type: Coarse or fine threads for different load capacities.
 ✅ Coating: Zinc-plated, galvanized, or black oxide for corrosion resistance.
Load Bearing: Ensure bolt strength matches application requirements.


Best Fastener Bolt Manufacturers

Top Manufacturers in India

  1. Udhhyog – Leading supplier of industrial bolts.

  2. LPS Bossard – High-quality fastening solutions.

  3. Unbrako – Premium-grade bolts for critical applications.

  4. TVS Fasteners – Trusted brand in automotive fasteners.

  5. APL Apollo – Specializing in structural bolts.


FAQs About Fastener Bolts

Q1: What is the strongest type of bolt?

Grade 8 bolts have the highest tensile strength, commonly used in heavy-duty applications.

Q2: Which bolts are best for outdoor use?

Stainless steel and galvanized bolts resist corrosion and are ideal for outdoor environments.

Q3: What is the difference between a bolt and a screw?

Bolts require a nut or tapped hole, while screws are self-tapping into materials.

Q4: How do I measure bolt size?

Measure diameter, thread pitch, and length to ensure a proper fit.

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