Karunia Utama
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Product

About The Product

Hex Bolt

Our hex bolts are available in multiple sizes, materials, and finishes to suit a wide range of applications. They are produced according to widely recognized standards like ASTM, ISO, JIS, and DIN, ensuring consistency across uses



 

We also provide flexibility for clients who require adjustments based on specific technical or compliance needs

What We Use

Materials We Offer

Mild Steel

  • High ductility and malleability
  • Suitable for welding and machining
  • Commonly used in construction and general fabrication
  • Cost-effective option for large-scale projects
  • Good tensile strength with moderate corrosion resistance

Medium Steel

  • Higher strength and hardness than mild steel
  • Ideal for load-bearing and structural applications
  • Excellent performance under high pressure
  • Available in various grades and carbon content
  • Requires coating or treatment for corrosion resistance

Carbon Steel

  • High tensile strength and durability
  • Cost-effective material for general applications
  • Suitable for indoor or controlled environments
  • Easily machined and welded
  • Can be coated or treated for improved corrosion resistance

Stainless Steel

  • Exceptional resistance to corrosion and staining
  • Ideal for hygienic or corrosive environments
  • Widely used in food processing, pharmaceuticals, and marine applications
  • Retains a clean, polished look over time
  • Requires minimal maintenance in harsh conditions

Alloy Steel

  • Superior corrosion and rust resistance
  • Excellent strength-to-weight ratio
  • Commonly used in food, chemical, and medical industries
  • Maintains appearance in extreme environments
  • Low maintenance and long-lasting material

Product Overview

Types of Hex Bolts

Here are several of our featured hex bolt types, trusted across a range of industries Other variations are also available upon request to meet specific standards or custom project needs

Hex Bolt

Head Socket Screw

Countersunk Bolt

Flange Hex Bolt

Global Certifications

Standards We Comply With

Our Coating Options

Surface Treatments and Finishes

  • Natural
    Uncoated, for indoor or dry environments

  • Black Finish
    Corrosion protection for outdoor use

  • Hot-dip Galvanized
    Superior corrosion protection for outdoor use

  • Zinc Plated Galvanized (White & Yellow)
    Electro-galvanized for moderate corrosion resistance

Tailored Solutions

Why Karunia Utama

Custom Dimensions

Lengths, diameters, and thread pitches as per specifications

Special Materials

Alternative steel grades and alloys

Testing Procedures

Tensile and hardness testing, Chemical composition analysis, Non-destructive testing (NDT)

Certifications Provided

Material Test Reports (MTR)
Certificates of Compliance, Third-party inspection reports upon request

Project Highlights

A Closer Look at Hex Bolts

Secure Your Foundation with Reliable Hex Bolts!

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Do you have ready stock for Hex Bolts??

We keep a selection of commonly requested Hex Bolt sizes and grades in stock. For specific or custom specifications, production lead time may apply. Feel free to contact us to check current availability

Yes, we provide certifications upon request, including the Certificate of Origin (COO), Certificate of Conformity (COC), and Mill Certificate for material traceability

Samples can be provided upon request, especially for custom specifications or new materials